Where Can I Build A Septic Tank? (Correct answer)

The best place to build a residential septic system is the backyard, underneath the garage, or any side adjacent to a street. Selecting the location before you start digging the hole for the septic systemis a vital step in the process.

Where is the best location for a septic tank?

Northwest is the best direction for installing a septic tank. It doesn’t matter if your house is east or west-facing, as the direction of your house does not take into account the position of the septic tank. Therefore, septic tank location as per Vastu must always be in the northwest part of your home.

Do I need planning permission to install a septic tank?

The short answer is yes. You will need planning permission from a local authority in order to have a septic tank installed, no matter if it’s at your own home or on a business site.

Do you need a permit for a septic tank NZ?

You’ ll need a building consent to install a septic tank and you will need to meet council requirements (which we can help you with). Some councils ask for extra requirements such as additional water treatments (say with ultraviolet light to kill bacteria).

How much does it cost to put in a septic tank Australia?

The septic tank price in Australia can vary depending on the size of the home and the location. The average septic tank cost for a conventional system with absorption trenches for a four-bedroom home is between $11,000 and $13,000, with desludging every three to five years.

How far away from the house should a septic tank be?

Septic tanks are required to be at least 5 feet from the house, although most are between 10 and 25 feet away.

Can a mound system be put anywhere?

It costs a great deal of money to install these systems, but they can be placed anywhere. A mound septic system has no container, and digging too far gets you too close to the water table. This means instead of digging down you have to dig out.

Do I have to replace my septic tank by 2020?

Under the new rules, if you have a specific septic tank that discharges to surface water (river, stream, ditch, etc.) you are required to upgrade or replace your septic tank treatment system to a full sewage treatment plant by 2020, or when you sell a property, if it’s prior to this date.

What is the difference between a septic tank and a cess pit?

A cesspit is a sealed underground tank that simply collects wastewater and sewage. There is no processing or treatment involved. In contrast, septic tanks use a simple treatment process which allows the treated wastewater to drain away to a soakaway or stream.

Do septic tanks need building regulation approval?

Any new septic tank/sewage treatment unit must have both planning permission and building regulations approval.

How close can a septic tank be to a house NZ?

Our answer: We recommend a distance between the septic tank and the treatment unit of 1 metre in our instructions, in order to leave ample work space for installing the connections. Otherwise a depth of fill of 30 cm should be adhered to.

How much space do you need to install a septic tank?

The minimum septic tank size for a three-bedroom home (or a home with less than three bedrooms) is typically 850-1000 gallons (3900 litres). This is based on an occupancy of 1.5 + people per bedroom which provides an estimate of expected water usage.

Where does waste water go in rural areas?

Usually found in densely populated, rural areas, septic systems are autonomous, underground sewage and wastewater treatment systems. They handle and dispose of wastewater onsite and are more economical than sewer systems because these rural areas are larger and homes are spread out far apart from each other.

What is the cheapest septic system?

Conventional septic system These conventional septic systems are usually the most affordable, with an average cost of around $3,000.

How close can you build to a septic tank Australia?

Setback distances apply for septic system installation where existing farm dams and surface waters are to be considered when designing the layout of the proposed system. 1 Farm Dams – Minimum setback of 60 metres. 2 6 metres on the upslope of any building. 3 3 metres on the down slope of any building.

What is the best septic system in Australia?

AERATED WASTEWATER TREATMENT SYSTEMS (AWTS) AWTS are fast becoming the most popular choice of septic system used throughout New South Wales, ACT and Victoria. Garden Master septic systems are AWTS and are the systems that we recommend.

How to Build a DIY Septic Tank System

You may install a septic tank system yourself to save money on the costs of hiring a professional septic designer and digger, which can add up quickly. Even if you design your own DIY septic tank and drainage system from scratch, the cost of installing a new septic system is high. Although it is possible to save money by establishing your own septic tank system, it is not recommended.

Costs of a DIY Septic System

The connection of a waste disposal system to a septic tank is critical for the health and cleanliness of the community. The installation of a septic system will be required if your property is located in an area where there is already no underground sewerage system. The public health fees for permits to construct a septic tank system are determined mostly by the county in which you live, but you will almost certainly be unable to avoid paying the permit charge. In order to establish the retail prices of yourDIY septic system design, which includes the drain field, distribution box, and pipes, you must first determine the price of the building supplies.

When shopping for hardware and home improvement supplies, compare prices amongst different establishments.

On top of that, you’ll have to consider about the excavation as well.

Before You Start Digging

Before you begin the actual building work, it is generally a good idea to do a thorough assessment of the situation. Get yourself a scale map of your home and property before you get your shovel out and start digging about in the dirt. The backyard, below the garage, or any side of the house that is near to a roadway are the greatest places to install a household septic system. The position of the septic system must be determined before any digging can begin. This is a very important phase in the process.

When installing a tank, it is vital that it is done right the first time.

The Site Evaluation

In most jurisdictions, the old perc test has been replaced by a site evaluation as a means of demonstrating to your local health authority the treatment characteristics of your property’s infrastructure.

DIY Perc Testing

In the past, the perc test was performed by simply dumping a pail of water into a tiny hole in the ground and then timed how quickly the water soaked into the soil with a stop-watch. The site inspection is carried out at the bottom of a 6-foot-deep trench. Unlike the perc test, which only measures the absorption speed of a small section of the property, the site evaluation measures the absorption speed of a much larger region over the soil face.

Soil Classification

In the past, the perc test was performed by simply dumping a pail of water into a tiny hole in the ground and then timed how quickly the water soaked up into the soil with a stopwatch.

In a six-foot-deep pit, the site evaluation is carried out. The site evaluation tests a considerably larger region over the soil face, whereas the perc test only gives you the absorption speed of a tiny portion of the land.

Drainfield Trench Size

This does not affect the size of the drainfield, which is independent of the number of bathrooms or fixtures on the property. Almost all health departments employ the following methods to determine the flow rate:

  • An individual’s residence’s total number of bedrooms The amount of persons that are present in the residence
  • Water use on a daily basis

The volume of sewage that must be discharged into the drainfield is determined by the flow rate. Once you have determined the kind of soil under your prospective drainfield, use the table shown here to calculate the drainfield area necessary for your house size, and you will have the drainfield size you require.

Size of The Septic Tank

The size of a septic tank construction is decided by the number of people living in the home or on the land for which it is being built. Consult the metric standards for the area in which the construction is to take place before proceeding. This is the most accurate method of determining the amount of septic tank you should use when constructing your own septic tank system. The size of your DIY septic system will also decide how frequently you will need to have your DIY septic system pumped by a professional septic pumping service, which will be determined by the size of your septic system.

Creating the Drawings

It is defined by the size of the household and/or property that will be served by the septic tank that will be constructed. Make sure you are familiar with the metric standards in use in the area where the work will be taking place. In order to determine what size septic tank you should use while constructing your own septic tank system, the following method is recommended: The size of your DIY septic system will also affect how frequently you will need to have your DIY septic system pumped by a professional septic pumping service, so be sure to measure the size of your system before you start.

Drainfield Layout

Your drainfield plan will necessitate the construction of a minimum of two ditches of similar size. The division of the water flow into two, three, or more lines is performed by using a distribution box, also known as a D-box, to split the flow. It is used in the distribution box to distribute water through pipes that include flow control valves in the form of eccentric plugs that distribute the water evenly across several drain lines. The effluent must travel downhill from the tank outlet, past the distribution box, and down the individual trenches before being disposed of.

Apply for a Building Permit

Now that you have the drawing, you should submit your ideas to the local health department’s office for consideration. You will be required to complete an application form as well as pay the applicable permission cost. Following that, you will need to wait for the designs to be examined and authorized by the board of directors before moving on to the final construction phase of the project.

Building a Septic Tank System

To begin the construction process, the first step is to sketch up a rough schematic of the septic system.

You’ll utilize this layout to put your construction designs into action on the ground. It is necessary to project the layout and position of all of the different components of the septic design onto the site.

Excavation of the Septic Tank System

When it comes to digging the site in order to prepare for the construction of the septic tank and drain lines, it is important to pay close attention to elevation in order to get the best possible results. The health inspector will need to inspect the job one more time after you have finished all of the excavation before you can begin backfilling. Once you have finished all of the excavating, you will need to schedule another appointment with him for a final inspection of the job before you can begin backfilling.

Backfilling the Septic Tank System

During the building process, all of the tanks, pipelines, and vaults should be backfilled around the perimeter. Your local authority may mandate that all tanks be subjected to vacuum testing, pressure testing, or water testing. Aside from that, an increasing number of counties are demanding leak testing of the tank these days. Consequently, the final backfilling of the concrete tanks can be delayed until after the final inspection to check for leaks has been completed. The final backfilling should not be completed until after the final health department inspection has been completed.

External References

  • How to Build a Septic Tank (mightyguide.net)
  • How to Build Septic Tank Systems (eco-nomic.com)
  • How to Build a Septic Tank System (eco-nomic.com)
  • How to Build a Septic Tank (mightyguide.net)
  • A Septic Tank: A Step-by-Step Guide (ehow.com)

Septic Tank Installation and Pricing

Construction of a Septic Tank (mightyguide.net); Construction of Septic Tank Systems (eco-nomic.com); Construction of a Septic Tank (eco-nomic.com); Construction of a Septic Tank (eco-nomic.com); Construction of a Septic Tank (mightyguide.net); A Septic Tank: A Step-by-Step Guide (eHow.com);

Who Needs a Septic Tank?

For the most part, in densely populated areas of the nation, a home’s plumbing system is directly connected to the municipal sewer system. Because municipal sewer lines are not readily available in more rural regions, sewage must be treated in a septic tank. If you’re moving into a newly constructed house or onto land that doesn’t already have a septic tank, you’ll be responsible for putting in a septic system on your own.

How to Prepare for Your Septic Tank Installation

Here are a few pointers to keep in mind to make sure your septic tank installation goes as smoothly as possible.

Receive Multiple Estimates

Receiving quotations from licensed septic tank installers and reading reviews about each firm using trustworthy, third-party customer evaluations should be done before any excavation or signing of any paperwork is done. Examine your options for a contractor and make sure they have the appropriate insurance and license, as well as the ability to include critical preparations such as excavation and drain field testing in their quotation.

Test the Soil and Obtain a Permit

For septic systems to function properly, permeable soil surrounding the tank must absorb and naturally handle liquid waste, ensuring that it does not pollute runoff water or seep into the groundwater. The drain or leach field is the name given to this region. Before establishing a septic tank, you are required by law to do a percolation test, sometimes known as a “perc” test. This test indicates that the soil fits the specifications established by the city and the local health agency. In most cases, suitable levels of permeable materials, such as sand or gravel, are necessary in a soil’s composition.

Note: If you wish to install a septic tank on your property, you must first ensure that the ground passes the percolation test. Prior to acquiring the land that you want to utilize for residential purposes, we recommend that you obtain a soil test.

Plan for Excavation

Excavation of the vast quantity of land required for a septic tank necessitates the use of heavy machinery. If you are presently residing on the property, be careful to account for landscaping fees to repair any damage that may have occurred during the excavation process. Plan the excavation for your new home at a period when it will have the least influence on the construction process if you are constructing a new home. Typically, this occurs before to the paving of roads and walkways, but after the basic structure of the home has been constructed and erected.

See also:  What Can You Throw In A Septic Tank? (Best solution)

The Cost of Installing a Septic Tank

There are a few installation charges and additional expenditures connected with constructing a new septic system, ranging from a percolation test to emptying the septic tank and everything in between.

Percolation Test

A percolation test can range in price from $250 to $1,000, depending on the area of the property and the soil characteristics that are being tested. Ordinarily, specialists will only excavate a small number of holes in the intended leach field region; however, if a land study is required to identify where to excavate, the cost of your test may rise.

Building Permit Application

A permit will be required if you want to install a septic tank on your property. State-by-state variations in permit prices exist, however they are normally priced around $200 and must be renewed every few years on average.

Excavation and Installation

When you have passed a percolation test and obtained a building permit, your septic tank is ready to be professionally placed. The cost of a new septic system is determined by the size of your home, the kind of system you choose, and the material used in your septic tank. The following is a list of the many treatment methods and storage tanks that are now available, as well as the normal pricing associated with each.

Types of Septic Tank Systems

Septic system that is used in the traditional sense Traditionally, a septic system relies on gravity to transport waste from the home into the septic tank. Solid trash settles at the bottom of the sewage treatment plant, while liquid sewage rises to the top. Whenever the amount of liquid sewage increases over the outflow pipe, the liquid waste is discharged into the drain field, where it continues to disintegrate. This type of traditional septic system is generally the most economical, with an average cost of roughly $3,000 on the market today.

Drain fields for alternative systems require less land than conventional systems and discharge cleaner effluent.

Septic system that has been engineered A poorly developed soil or a property placed on an uphill slope need the installation of an engineered septic system, which is the most difficult to install.

It is necessary to pump the liquid waste onto a leach field, rather than depending on gravity to drain it, in order to ensure that it is equally dispersed across the land. The average cost of these systems is roughly $8,000.

Types of Septic Tanks

  • Concrete septic tanks are long-lasting and rust-proof, but they are difficult to repair if they are damaged. It is possible that concrete tanks will cost up to $2,000 depending on their size. Plastic —While plastic tanks are cost-effective, they are also susceptible to damage. They are around $1,200 in price. Fiberglass —While fiberglass septic tanks are more durable than their plastic counterparts, they are susceptible to shifting or displacement if the water table rises to an excessive level. Depending on the model, these tanks may cost up to $2,000

More information may be found at: Septic Warranty Coverage and Costs.

Using Your Septic Tank

It is important to maintain the area around your new septic tank’s drain field and to frequently check your tank using the lids included with it. Never use a trash disposal in conjunction with your septic tank since it might cause the system to clog. Additionally, avoid driving over the land where your septic tank is located or putting heavy gear on top of your septic tank or drain field to prevent damage. Most of the time, after five years of septic system use, you’ll need to arrange a cleaning and pumping of the system.

Send an email to our Reviews Team [email protected] if you have any comments or questions regarding this post.

How to Construct a Small Septic System

Documentation Download Documentation Download Documentation There are two main sections to most private septic systems: the holding and digesting tanks, and the dispersion field or leach field. As the liquid waste in the first holding tank fills up, it will be transferred to the second holding tank. Once the second tank is completely filled with liquid, the liquid will dissipate into the earth underneath it. The system displayed here is a modest system that is intended for limited use by two persons who do not need to do laundry.

  • When compared to a conventional house septic system, this system employs two 55 US gallon (210 L) drums, rather than the 1,000–2,000 US gallon (3,800–7,600 L) tanks that are utilized in a standard home septic system.
  • Property owners considering installing a system similar to this one should be advised that this system would fail inspections by any public health department in the United States, and that the owner may be liable to a fine if the system was discovered in operation by a health official.
  • Toilets that conserve water nowadays utilize less than two litres of water every flush.
  • It might be a lifeline for those who live in areas where septic treatment is not available.

Part 1 of 3: Cutting the Tanks

  1. 1Cut a hole in the center of the top of each drum that is the same size as the outer measurement of the toilet flange. Take the outside diameter of the toilet flange that you’re using and multiply it by two. Place the hole close to the edge of the drum so that you may simply connect them to pipes in the near future. Cut the drums using a saber saw to make them lighter
  2. 2 Each hole should be capped with a 4 in (10 cm) toilet flange. Push the flanges into the top of each tank until they are flush with the surface. As soon as the flanges are in position, tighten them down so they don’t move or shift once they are in place. Advertisement
  3. s3 Cut a hole in the first drum that is 4 in (10 cm) in diameter on the opposite side of the drum from the hole in the top. Placing the hole approximately 4–5 inches (10–13 cm) below the top of the drum and ensuring that it lines up with the hole on the top of the tank are the most important steps. 4 Make a hole in the wall with a saber saw or a hole saw. Cut two holes in the side of the drum at 45-degree angles to the center of the hole on the top, one on each side of the drum. The center line is the line that runs through the middle of the hole on the top of the drum. Make 45-degree angles from either side of the centerline, then mark them on the second drum using a permanent marker. Make your holes in the barrel by cutting through the side with a saber or a hole saw and drilling them out. Advertisement

Part 2 of 3: Placing the Tanks Underground

  1. 1 Dig a trench that is 4 ft 26 ft 3 ft (1.22 m 7.92 m 0.91 m) in length and width. Excavator or shovel are both good options for digging a hole in the ground where you wish to put your tank. Continue excavating until the hole measures 4 feet (1.2 m) in width, 26 feet (7.9 m) in length, and 3 feet (0.91 m) in depth.
  • Excavators for excavating are often available for hire from a heavy machinery supply company. Look for equipment rentals on the internet
  1. The majority of heavy machinery supply stores will lend out excavators for excavating jobs. Make use of the internet to look for equipment rentals.

Part 3 of 3: Connecting the Drain Pipes

  1. Put a stake into the ground and level it with the bottom of each of the 45-degree bends. 2Put a stake into the ground and level it with the top of the 45-degree bends. It doesn’t matter what sort of stakes you use since they all work. Use a mallet or hammer to pound the stakes into the ground. Attach a one-inch-wide block to the end of a four-foot-long (1.2-meter-long) level using duct tape. This will assist you in ensuring that you create sloped drain pipes so that your tanks can empty
  2. 3Place another stake approximately 37 8ft (1.2 m) down the trench from the first one
  3. 4Place another stake approximately 37 8ft (1.2 m) down the trench from the first one
  4. 5Place another stake approximately 37 8ft (1.2 m) down the trench from the first one. Drive the stake down until it is the same height as the first one using your hammer or mallet
  5. 4 Place the end of the level without the block on the first stake and the block on the second stake to complete the level without the block. Continue to pound the second stake into the ground until the level is balanced. 1 inch (2.5 cm) lower than the previous post, or 1 inch (0.64 cm) lower per 1 foot (30 cm)
  6. 5Repeat this method until you have stakes running the whole length of the trench
  7. Continue to place stakes down the rest of the trench every 37 8feet (1.2 m) from the last one, ensuring that the stakes slope away from the drums
  8. 6Place gravel in the trench until the top of the gravel is level with the top of the stakes
  9. 7Place gravel in the trench until the top of the gravel is level with the top of the stakes The gravel will now slope away from the drums at a rate of 1 4 inch (0.64 cm) per 1 foot (30 cm) of horizontal distance
  10. 7Place 20 ft (6.1 m) of perforated drain pipe into each hole on the second drum
  11. 8Place 20 ft (6.1 m) of perforated drain pipe into each hole on the third drum
  12. 9Place 20 ft (6.1 m) of perforated drain pipe into each hole on the fourth drum
  13. 10P Insert the ends of the drain pipes into the 45-degree bends on the lower drum to complete the installation. 9Make certain that the perforations in the pipes are facing down so that liquids may soak back into the earth
  14. 8checking the pipes with a level to ensure that the 1 4in (0.64 cm) slope is consistent throughout the length of the pipe. Fill up any gaps in the slope by adding or removing gravel under the pipe. Seal the 45-degree and 90-degree bends that connect the lower and top drums, respectively, with silicone. For the greatest seal possible on your drain pipes, use a two-part epoxy or silicone caulk. For this purpose, consider utilizing flex pipe, which will yield a little bit if the ground changes. Tenth, fill the lower drum halfway with water to keep it from collapsing under the weight of all the gravel. Place the remaining gravel over the trench and into the bottom drum, covering it completely. 11Lay landscape fabric over the top of the gravel. As a result, the dirt will not be able to seep into the gravel and you will be able to keep proper drainage on your tanks
  15. 12Fill the remaining trench area with soil, compacting it to the original grade. When you have finished filling up the area with your dirt, check to see that the ground is level. 13Fill the upper drum with water, leaving the top pipe from the first tank exposed so that you can readily reach the tanks if you need to drain them later. 14Fill the lower drum with water. Fill the top drum with water and pour it directly down the exposed pipes on the bottom drum. Continue filling the drum until it is completely filled, then secure the top with a cap to keep out the elements. Advertisement

Community Q A

Create a new question

  • Question What is considered a low level of use? Low consumption is defined as less than 125 gallons per day. Question Was the ‘y’ elbow on the first tank’s tank for any particular reason? Is it left open or sealed when it has been completed? Isn’t it going to stink if it’s left open? The clean out requires a threaded cap or plug, which is provided. Question What kind of water do you use to fill it? “Fill” is the most important term here. Continue to fill the drum with water until the level does not rise any more
  • Question Suppose I neglected to attach a slip coupler to the perforated pipe and only had 10 feet of it. Is it still possible to use this? Yes, however you will need to raise the depth of the field in order to get the same cubic feet of capacity
  • Nevertheless Question What is the best way to find out if something is legal in my state? This is a quick and easy approach that is unlikely to be appropriate for long-term usage in the majority of states. It is possible that the property owner and/or the installation will be penalized if this is uncovered. Question Is it possible to utilize two or three 275-gallon water totes instead, or a water tote and barrel combination? It doesn’t matter either direction you go. It’s best to utilize a single tote and a barrel as a digestion tank and a distribution box if you have only one tote. Question What is the purpose of filling the higher barrel with water? You fill the top barrel with water so that when sewage waste is introduced into the barrel, it flows into a sufficient amount of water to initiate the anaerobic digestion process. Question What is the best way to clean up this system? If there is enough bacteria in it, it will clean itself with minimal effort. If it starts to fill up, you may call a septic service to have it emptied
  • If it doesn’t, you can do it yourself. Question What is the correct grade slope of the drain field for every ten feet of length of the drain field? It is possible for the field’s bottom to be level. When running away from the drums, the pipe system should be sloped at 2 percent, or 2.5 inches every 10 feet. Question Is it possible for this system to freeze in the winter? And might I use antifreeze in the mix as well? Antifreeze will destroy the beneficial bacteria that are required for the process to function properly. The process is biological, and it will generate some of its own heat as part of the process. It’s always possible to dig a little deeper to gain a little extra insulation above it.

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  • The horizontal side of the “Y” links to the waste source, and it should be fitted with a connector that is compatible with the source supply line
  • Instead of using a 90° elbow, you should join two of them together to produce a U-shaped connection. In this manner, the end that is in the first barrel will be pointed towards the bottom of the tank, rather than the top. This should be reinforced with a short segment of straight pipe that is several inches deeper towards the bottom. Solids either float or sink depending on their density. They don’t seem to congregate in the middle. As a result, only the broken down liquid waste makes it to the second tank, and the solids are never seen again. The same procedure should be followed for each of the drainage pipes that originate from the second barrel. Just to be completely certain that no solids find their way into the global drain field, the waste is dumped into the first tank, with the solids settling to the bottom of the first tank. Whenever the liquid level exceeds the outfall to the second tank, it is drained into the tank below it. If there are any solids present, they will sink to the bottom. Whenever the liquid from the second tank reaches one of the two outfalls, it is transported to the gravel leaching field for dispersion. Over time, the vast majority of the solids will liquefy and disperse. Solids may accumulate at the top of the tank after many years, necessitating the removal of the solids. Thirty percent of the waste is absorbed into the earth, with the remaining seventy percent being dissipated by sunshine. It is important not to compress the soil since this would interfere with the evaporation process
  • The vertical side of the “Y” will be used to pump out the tank after it is entirely filled with solids
  • The depth of the trench should be proportional to the depth of the waste source line. If the line is deeper or higher than the one depicted, you will need to dig the trench deeper or shallower to suit the new line depth or height. It’s not that difficult to find out. In the event that you have a septic system that is too shallow, it may be more susceptible to damage. After a period, you may discover that the ground has sunk below the trench’s location. Fill it in with extra dirt and compact it
  • It is assumed that you are familiar with working with ABS plastic pipe. In addition, you must have the necessary tools to dig the trench (or be ready to put in a lot of effort).
See also:  How To Run Power To A Sump Pump In Septic Tank? (Perfect answer)

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Warnings

  • This is a system with a relatively limited capacity. This is not intended to suit the demands of a big family or group of people. It is intended for use with a modest travel trailer and two individuals. In order to extend the life of this little septic system, it is recommended that you do not place anything else in it but water, trash, and toilet paper. You may have to pump the upper drum once or twice a year if you don’t do so. During the course of five years, the system depicted here will only require pumping twice. Do not drive through the area where the drums are located. When establishing a septic system, make sure to adhere to all applicable municipal regulations. It is against the law to establish a septic system without first obtaining a permission. In the permission, you can find information on the local regulations for installing a septic system. You should avoid situating a septic system too close to trees since tree roots will grow into your lines, block them, and eventually cause damage to your system.

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Things You’ll Need

  • 3/4 or 1 1/2 crushed rock or blue metal
  • 80 square feet (7.4 m 2) of landscaping fabric
  • 9 cubic yards (6.9 m3) of 3/4 or 1 1/2 crushed rock or blue metal 55 US gal (210 L) plastic drums
  • 10 feet (3.0 m) of ABS plastic pipe with a diameter of 4 in (10 cm)
  • 4 in (10 cm) ABS 90-degree bend
  • 4 in (10 cm) ABS Y-bend
  • 3 ABS 45-degree bends with sizes of 4 in (10 cm)
  • 2 55 US gal (210 L) plastic drums A total of 40 feet (12 meters) of 4 inch (10 cm) perforated drain pipe
  • Two 4 inch (10 cm) diameter drain pipe couplers
  • And two toilet flanges with 4 inch (10 cm) diameters are included. PVC glue, two-part epoxy or silicone sealant, a level, and ten wood stakes are all required. 1 in (2.5 cm) thick wood block
  • Duct tape
  • 4 in (10 cm) ABS detachable cap
  • 1 in (2.5 cm) thick wood block

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Septic tanks, which are used to treat sewage before allowing it to process and soak into the earth, are available in a variety of designs and sizes. A well constructed septic system, which is often comprised of concrete or plastic, may last anywhere from 15 to 30 years with adequate maintenance. Building a handmade septic system is time-consuming and not for the faint of heart, but it may save a homeowner hundreds to thousands of dollars over the course of the project. How to Construct a Do-It-Yourself Septic System Photograph courtesy of Valerie Loiseleux/E+/Getty Images.

Permits Before Digging

In order to discover if a home-made septic system is suitable in your location, check with your local health department and county government offices first. If they are, make a note of any regulations and get any licenses that may be required before you begin working. You must adhere to the local septic system standards as closely as possible during the construction process, or you may be forced to dig up your system and start over from the beginning later on.

Early Site Planning

You’ll need to consider these factors when determining the ideal location for your septic tank and drainage system: most counties require soil testing to assess the percolation rate (drainage ability) of the soil as well as the seasonal water tables of the land. The optimal location for the septic system will be tested and approved by the local county planning boards and health agencies. County health agencies and planning boards will also provide you with information on how deep you should install your septic tank and drain field pipes.

Consider 75 gallons of septic tank space per person each day as a rough estimate.

Always err on the side of caution and budget an additional 150 gallons a day to account for visitors and other miscellaneous consumption.

Septic Tank Site Preparation

You may dig the septic tank pit yourself using a backhoe or shovel, or you can hire a digger business to do it for you. Even though digging by hand will take more time, doing so will save a few hundred bucks if this is wanted. You may also save money by preparing the hole so that the tank can be dumped in by the person who is delivering it as soon as it arrives. Prefabricated septic tanks start at $600.00 and rise in price in direct proportion to the amount of space they occupy. Connect the drain pipe that leads to the drain field either before or after the tank has been installed in the ground, depending on your preference.

The drain field, where the material from the tank will finally end up, should be at least 10 feet away from the dwelling as well as any body of water, such as a pond or river, where the material would eventually end up.

Septic systems typically require a total drain area of 100 feet in order to function properly.

It is also necessary for the trench to have a very little downhill slope in order for waste to be able to flow out of the drain pipe. If you haven’t already, fill the trenches with 1 foot of gravel or “drainrock” once they’ve been excavated.

Connections and Finishing Touches

After preparing the site and installing the septic tank, you will be able to connect the various components of the septic system together. The perforated drain pipe should be connected to the line that comes out of the septic tank. Add extra gravel and a thin layer of filter cloth to the perforated pipe in order to prevent dirt from filtering down to the drainpipe. Finally, fill in the trench with the soil that was previously taken from it by hand.

How to Build a Septic Tank

Septic tanks are big underground tanks that are typically used to treat sewage and household waste in rural regions where there is no underground sewer system. Septic tanks are typically placed in rural areas where there is no underground sewer system. Aeration tanks collect solid waste, which sinks to the bottom of the tank, and liquid waste, which runs off to an area designated for absorption by the soil. Septic tanks should be drained out at least once a year, if not more. The frequency with which this is required is determined by the number of persons that use the septic tank on a regular basis.

It is true that certain states mandate that septic tanks be built by a licensed professional.

  • Calculate the available capacity. Septic tank size is determined by the amount of people that will be living in the residence. You will need to talk with your installer in order to decide the amount of tank you require. Make a decision on the sort of tank to purchase. Septic tanks are available in a variety of materials, including steel, fiberglass, and reinforced concrete. Examine the many alternatives with your installer and choose which is the best fit for you. Find out where the place is. Your septic tank should be situated a short distance away from your home. This will allow you to take use of gravity between the home and the tank by having the waste run down the pipe into the tank
  • However, this will be more expensive. Excavate You may dig the hole for your tank by yourself if you want to save money. Determine the dimensions and precise location of the hole you will need to dig by speaking with your installer or with a structural expert before digging the hole. In addition, you will need to create a space for a pipe with a minimum diameter of 4 inches (10 centimeters) that will run from the house to the tank, with a drop of 14 inches for every 12 inches (30.5 centimeters) of pipe length (.64 centimeters). Along with the tank, you’ll need to install a conduit leading to the leach region, where the liquid waste will seep into the ground.

Learn how much it costs to Install a Septic Tank.

Septic tanks range in price from $3,157 to $10,451, with an average cost of $6,804 per tank. Installation of a conventional 1,000-gallon tank for a three-bedroom home might cost anywhere from $2,100 and $5,000. Materials range in price from $600 to $2,500, without labor. A comprehensive septic system, which includes a leach field (also known as a drain field), tank, and plumbing, can cost between $10,000 and $25,000 to install. A leach field installation might cost anywhere from $5,000 to $20,000, depending on the kind.

In the end, the cost of installing a septic tank is determined by the kind of system, the materials used, and the size of the tank.

This course will teach you about the several sorts of settings, such as conventional, drip irrigation, mound irrigation, evapotranspiration, recirculating sand, constructed wetland, and chambered irrigation.

Septic System Cost Estimator

Let’s run some numbers to see what the costs are. What part of the world are you in? What part of the world are you in?

National Average $6,804
Typical Range $3,157 – $10,451
Low End – High End $450 – $21,000

The cost information in this report is based on real project costs provided by 948 HomeAdvisor users.

New Septic System Cost

Most tanks and systems cost between $2,000 and $10,000 to install a new typical anaerobic septic system. Aerobic systems range in price from $8,000 to $20,000. Depending on the size of your property, the composition of the soil, and the level of the water table, you may even have to pay an extra $10,000 or more for an alternative, specialized drain or leach field. Septic systems are composed of three major components:

  • Septic tank: Either anaerobic (requiring no oxygen) or aerobic (requiring oxygen but more complicated but more efficient)
  • Water runs to a leach field after it has been cleaned and separated in the septic tank, where it will naturally drain through sand, gravel, and soil in a cleaning process before reaching the water table
  • Water table: Plumbing: A drainpipe to the tank, followed by another branching pipe to your field will be required.

Optional components include the following:

  • Some types of systems use a dose or pump tank, which pumps wastewater up into mounded or elevated leach fields and recycles the water in some cases. Pump for aeration: If your aquarium is equipped with an aerobic system, you’ll want an aerator to force oxygen into the tank.
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The installation of a traditional anaerobic system typically costs between $3,000 and $8,000 on average. Anaerobic systems are often less expensive to build than aerobic systems, which are more complicated. However, because they are less effective at cleaning the tank, you will need a bigger leach field to accommodate the increased burden. An anaerobic septic system is a very basic system that consists of a pipe that runs from the home to the tank and a branching pipe that runs from the tank to the drain field, among other components.

Aerobic Septic System Cost

Aerobic systems, which are those that require oxygen to work properly, cost on average between $10,000 and $20,000 per system. If you’re moving from anaerobic to aerobic fermentation, you’ll almost certainly need a second tank, but the conversion will only cost you $5,000 to $10,000. Aerobic systems break down waste more effectively in the tank than anaerobic systems, allowing you to use a smaller drain field in many cases – which is ideal for houses with limited space. An aerobic wastewater system is a wastewater system that depends on aerobic bacteria (bacteria that thrive in the presence of oxygen) to break down trash in the tank.

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You’ll need an aerator as well as an electrical circuit that connects to the system to complete the setup.

Get Quotes From Local Septic Tank Pros

Beyond the tank and leach field, there will be a few more costs to consider when creating your budget for the project. You may already have some of these costs included in your total project pricing, so make sure to get line-item prices on your estimate.

  • Aside from the tank and leach field, you’ll have a few more costs to factor into your financial planning. Some of them may already be included in the total project budget, so make sure to ask for line-item pricing on your estimate.
  • Plastic and polymer materials cost $500–$2,500
  • Concrete costs $700–$2,000
  • And fiberglass costs $1,200–$2,000.
  • 500: $500–$900
  • 750: $700–$1,200
  • 1,000: $900–$1,500
  • 1,200: $1,200–$1,600
  • 1,500: $1,500–$2,500
  • 2,000: $3,000–$4,000
  • 3,000: $4,500–$6,000
  • 5,000+: $7,500–$14,000
  • 500: $500–$900
  • 1,200: $1,200–$1,

Leach Field Cost

Installing a leach or drain field, which is a component of your septic system, can cost anywhere from $3,000 to $15,000 in total. The cost of a typical drain field ranges from $2,000 to $10,000. The drain field, also known as the leach field, is the component of the septic system that is responsible for returning wastewater to the soil. Most of the time, a flooded area in the yard or a strong stink of sewage on the property is the first symptom of a problem with the drainfield. It is possible that you may require further treatment for blocked or flooded fields, which would increase the cost of the drain field repair from $10,000 to $50,000.

Alternative Septic Systems Cost

When you have a tiny property, a high water table, high bedrock, poor soil, or just wish to utilize less space, an alternate septic system is a good choice.

Mound Septic System Cost

Installing a mound septic system can cost between $10,000 and $20,000 dollars. In places with high water tables, thin soil depths, or shallow bedrock, this is the most costly system to build; yet, it is frequently required.

In order to create a drain field, it uses a raised mound of sand rather than digging into the soil. Its extra cost is a result of both the additional technology required to pump sewage upward into the mound and the materials and labor required to construct the mound in the first place.

Recirculating Sand Filter Septic System Cost

Sand filter septic systems range in price from $7,500 to $18,500. They can be built above or below ground depending on the situation. In order to disperse the wastewater in the ground, they employ a pump chamber to force the wastewater through a sand filter. The liner of the filter box is normally made of PVC. This is accomplished by pumping the effluent through the sand and returning it to the pump tank, where it is then disseminated throughout the ground.

Drip Septic System Cost

Drip systems range in price from $8,000 to $18,000, depending on the size and complexity. They operate in the same way as previous systems, with the exception that they employ extensive drip tubing and a dosage mechanism. They deliver lower dosages over a shorter period of time, which is particularly effective at shallow soil depths. This method is more expensive than a standard system since it requires a dosage tank, a pump, and electrical power to operate.

Evapotranspiration System

According on the size, drip systems range from $8,000 to $18,000. A dosage mechanism and lengthy drip tubing are used, as is the case with all previous systems. Their smaller scheduled dosages are effective at shallow soil depths because they release smaller doses at a more consistent interval. Given the additional expenditures of the dosage tank, pump, and energy, it is more expensive than traditional systems.

Built Wetland System

Built-in wetland systems range in price from $8,000 to $15,000, with the cost increasing if an aerobic tank is included. They are designed to simulate the natural cleaning process observed in wetland ecosystems. After traveling through a wetland tank, where it is treated by microorganisms, plants, and bacteria, it is returned to the soil. The waste also has the effect of assisting the growth of wetland plants and the population of microbes.

Chambered System

Installation of chambered systems ranges from $5,000 to $12,000 dollars. They employ plastic perforated chambers surrounding pipes, which are frequently laid in sand, to keep them cool. Gravel is no longer required as a result of this. They are quick and simple to install, but they are more subject to crushing pressures, such as those caused by automobiles.

Septic Tank Replacement Cost

The cost of replacing a septic tank ranges from $3,000 to $10,000. From 30 to 40 years, you may anticipate your system to serve you well. The system may crack or corrode as a result of the failure and the resulting contamination of groundwater with toxic waste is an issue. When this occurs, the well water may get polluted, the yard may become marshy, and the septic system may become inoperable or fail completely. Here’s a breakdown of the various components of a septic tank, along with an estimate of their usual costs: Replacement of a septic tank pump costs between $800 and $1,400.

Replacement of the filter costs between $230 and $280.

Replacement of a tank lid costs between $30 and $70. Drain Field Replacement Cost: $7,500. When replacing an aerobic system, talk to your service expert about the advantages, disadvantages, and expenses of upgrading to a more efficient aerobic system.

Septic System Maintenance Costs

It is essential that you pump and clean your septic tank at least once a year. In addition, you should get it examined at least once every three years. The proper maintenance of your septic tank will save you money in the long term, and it will also help you avoid potentially hazardous situations. The Environmental Protection Agency (EPA) suggests the following steps to keep your septic system in good working order:

Inspect and Pump Your Septic Frequently

Typically, the cost of septic tank pumping runs from $300 to $550, or around $0.30 per gallon – most septic tanks have capacities between 600 and 2,000 gallons. Every three to five years, you should have your septic tank inspected and pumped by a professional. If you have a bigger home (with more than three bedrooms) and you tend to use a lot of water, you should try to get it pumped at least once every three years. An checkup of a septic system might cost anything from $100 to $900. Your septic inspector will do a visual inspection of the system.

  • Initial inspection costs between $250 and $500
  • Annual inspection costs between $100 and $150
  • And camera inspection costs between $250 and $900.

Use Household Water Efficiently

A toilet that leaks or runs continuously might waste as much as 200 gallons of water per day, although the average family consumes just 70 gallons of water. Take, for example, high-efficiency toilets, which consume 1.6 gallons or less of water every flush or less. The use of new, high-efficiency washing machines and showerheads can also help to reduce water waste, which will relieve the load on your septic system.

Properly Dispose of Your Waste

Your septic system is responsible for disposing of everything that goes down your drains and toilets. One easy rule of thumb is to never flush anything down the toilet other than human waste and toilet paper, unless it is absolutely necessary. That implies you should never flush the following items down the toilet or drop them down the sink drain:

  • Cooking grease or oil, baby wipes or wet wipes, dental floss, diapers, feminine hygiene products, cigarettes, cat litter, and paper towels are all examples of items that fall into this category.

Maintain Your Drainfield

The drainfield of your septic system is a component of the system that eliminates waste from the septic’s liquid. You should take steps to keep it in good condition, such as:

  • Never park or drive your vehicle on your drainfield. Don’t ever put trees near your drainage system. Maintaining a safe distance between your drainfield and roof drains, sump pumps, and other drainage equipment
Get in Touch With Septic Tank Installers Near You

A septic tank or septic pump tank can range in price from $350 to $14,000, depending on the material used and the size of the tank. In most home situations, you won’t have to spend more than $3,000 on the tank’s actual construction. The majority of big, high-priced units are intended for use in apartment buildings or as part of a communal sewage system.

Concrete Septic Tank Cost

Concrete tanks range in price from $700 to $2,000. The total cost of installation ranges from $2,300 to $6,500. They’re one of the most often seen forms of installation. Despite the fact that they are vulnerable to cracking and separation, they are often resilient for several decades.

It’s critical to have it carefully inspected on a regular basis for cracks and runoff, among other things. Inspections and frequent cleanings will assist to extend its useful life. Your professional can tell you how often you should have it inspected, but it’s usually every one to three years.

Plastic and Poly Septic Tank Prices

Septic tanks made of plastic range in price from $500 to $2,500 on average, not counting installation costs. Plastic is a long-lasting, lightweight, and reasonably priced building material. They do not crack as easily as concrete and do not rust. Because of their small weight, plastics are more susceptible to harm during the installation process.

Fiberglass Septic Tank Prices

Fiberglass septic tanks are typically priced between $1,200 and $2,000, not including installation. Fiberglass does not split or rust readily, but it is prone to damage during the installation process, much like plastic. However, because of its lighter weight, it is more prone to structural damage, and the tanks themselves can move in the soil.

Steel

It’s unlikely that you’ll ever see a new steel tank constructed. They will rust or corrode with time, no matter how well-made they are at the time. As a result, they are not permitted by many municipal construction rules, and you will only encounter them in existing installations. Steel is not a long-lasting material in the earth, and it is the least preferred.

Labor Costs to Install a Septic System

The cost of labor accounts for 50 percent to 70 percent of your overall expenses. Labor is typically more expensive than the tank itself in a normal installation, making it the most expensive option. For example, while the size required for a 3 to 4-bedroom home may cost between $600 and $1,100, the labor to install it might cost anywhere between $1,500 and $4,000.

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Here is a breakdown of how much septic tanks cost in different parts of the country. Massachusetts:$9,700 California:$4,500 Florida:$5,300 Texas:$8,000 $5,600 in New York City Colorado:$7,800 Idaho:$10,000

DIY vs. Hire a Septic System Pro

The installation of a septic system is a time-consuming operation. An incorrectly fitted unit can result in water contamination, structural damage to the property, and the need for costly repairs. In addition, an unpermitted installation might make it harder to sell and insure a property when it is completed. Make a point of interviewing at least three pros before making a final decision. Contact a septic tank installation in your area now for a free quote on your job.

FAQs

A septic tank has an average lifespan of 20 to 30 years, however it may live anywhere from 14 to 40 years, depending on the following factors:

  • What it is made of is a mystery. Concrete tends to require more care, but commercial-grade fiberglass and plastic are known to survive for decades in most environments. It’s amazing how well you’ve kept it up. Every one to three years, have your system inspected and pumped out
  • Every three to five years, have it pumped out. It will depend on whether or not it gets vehicle traffic over the leach field. Driving over the leach field compresses it, which increases the likelihood of it failing. The soil’s chemical makeup is important. The length of time it may endure varies depending on the soil type and depth.

What are the signs I need a new septic tank?

There are a few indicators that it is time to replace your septic tank. These are some examples: If you smell sewage, you may have a solid waste problem in your septic tank that has to be dealt with immediately. Standing water: If there is no clear explanation for standing water, such as a significant rainstorm, it is possible that you have an oversaturated drain field, a damaged pipe, or a faulty septic system. A clogged septic tank will cause pipes to drain more slowly than they would otherwise be.

Construction on your home or the addition of more occupants will have an impact on your septic system.

pollution of nearby water: A septic tank leak can result in wastewater contamination, which can deposit nitrate, nitrite, or coliform bacteria in water sources around your property as a result of the leak.

If these bacteria are discovered in your vicinity, you should investigate your septic system to determine if it is the cause. Old age: If your septic system has reached the end of its useful life, it is time to replace it.

Does homeowners insurance cover septic systems?

Many unforeseen and abrupt repairs to septic tanks are covered by homeowners’ insurance policies. They do not, however, often cover harm caused by a failure to perform routine maintenance. Make certain that you are pumping and cleaning it on a yearly basis.

How much do septic system repairs cost?

Repairing a septic system can cost anything from $600 to $3,000. Most tank repairs and replacement parts cost less than $1500 for each type of repair or replacement part mentioned below. Leach fields range in price from $2,000 to $20,000.

  • Tank Pumps cost between $800 and $1,500. A septic tank that is placed below the drain field may necessitate the installation of a pump to transport wastewater to the drain field. Pumping costs between $300 and $600 per year. Pumping is required to remove solid waste from even a perfectly functioning system every two or three years, even if it is in good working order. Tank Lids cost between $100 and $300 to purchase and install. If you purchase the lid and attach it yourself, it will cost you between $50 and $150
  • Tank Lid Risers range in price from $300 to $1,000. Deeply submerged tanks can have their lids raised to the surface by using these devices.
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