What Is A Dual Holding Septic Tank? (Solution)


  • A dual compartment septic tank has two compartments. The first is usually longer, about twice as large as the second compartment. One of the disadvantages is that a dual compartment septic tank needed to be pumped more frequently.

What is the advantage of a 2 compartment septic tank?

Two-compartment tanks are a cost-saving option, if you are installing a new tank. Access risers are installed on the septic tank. They help owners and inspectors easily locate the tank, and they provide access for maintenance and repair. They also avoid the need to repeatedly dig up the lawn for routine inspections.

What is better a holding tank or septic?

A holding tank merely holds sewage; it does not leach away into the ground. The tank has a single compartment and can hold a limited amount of sewage. As you can imagine, because holding tanks do not process sewage, they need to be serviced much more frequently than septic tanks.

What are the 3 types of septic systems?

Types of Septic Systems

  • Septic Tank.
  • Conventional System.
  • Chamber System.
  • Drip Distribution System.
  • Aerobic Treatment Unit.
  • Mound Systems.
  • Recirculating Sand Filter System.
  • Evapotranspiration System.

Do you need to pump both sides of a septic tank?

Septic tanks installed after the late 1980s have two compartments, and it is important to pump out both compartments each time. Most homeowners are unaware when their septic tank has two compartments; some companies use that to their advantage, charging to pump both sides of the tank but only actually pumping out one.

Can you connect two septic tanks together?

Use a 4-inch pipe to connect the two septic tanks. Place this pipe into the inlet hole of your new septic tank before you lower it into the ground. After you’ve lowered your new septic tank, insert the other end of the pipe into your old septic tank’s outlet hole.

Can you have a septic tank without a leach field?

The waste from most septic tanks flows to a soakaway system or a drainage field. If your septic tank doesn’t have a drainage field or soakaway system, the waste water will instead flow through a sealed pipe and empty straight into a ditch or a local water course.

What is the number of compartment required for the septic tank?

2. The tank should be divided into two compartments. The first should be twice as big as the second. There is hole in the separating wall which allows liquid to flow through but not scum or sludge.

How often does a holding tank need to be pumped?

How often does my holding tank need to be pumped? A holding tank may need to be pumped every 30 to 90 days depending on how much waste is generated and the size of the tank. As an example, a family of 4 could probably expect to have a 4000-gallon holding tank pumped anywhere from every 4 to 6 weeks.

How much does it cost to install a holding tank?

On average, the cost of installing a new septic tank system is $3,900. The price ranges from $1,500 to $5,000 for a typical 1,250-gallon tank, which is an ideal size for a three- or four-bedroom home. This cost is inclusive of the tank itself, which costs $600 to $2,100 or more, depending on the type.

What is a Class 5 septic system?

Class 5. A sewage system using a holding tank for the retention of on-site sewage and must be emptied by a licensed sewage hauler. A permit is required to install this type of septic system.

What is the most expensive septic system?

A mound septic system costs $10,000 to $20,000 to install. It’s the most expensive system to install but often necessary in areas with high water tables, shallow soil depth or shallow bedrock.

What’s the difference between a septic tank and a septic field?

The septic tank is a buried, water-tight container usually made of concrete, fiberglass, or polyethylene. The liquid wastewater (effluent) then exits the tank into the drainfield. The drainfield is a shallow, covered, excavation made in unsaturated soil.

Septic Tank and Holding Tank: What’s the Difference Between the Two?

The phrases septic tank and holding tank are most likely familiar to you if you own property that is serviced by a sewage disposal system (septic system). Do you understand the distinction between the two and what each is used for?

First, The Septic Tank

Septic systems are installed in homes that are not linked to the municipal sewage system. The septic tank is responsible for collecting all of the waste and wastewater that drains from the house. It is capable of storing more than simply garbage. It also distinguishes between heavy solids and light solids. Generally speaking, the lighter particles float to the surface, whilst the heavier solids sink to the bottom. In the space between the two is water, which escapes through an outlet pipe and into the drain field.

Next, The Holding Tank

A holding tank is likewise used to store wastewater from the home, but it does not have an outflow line like a toilet. The garbage will remain in the container until it is pushed out. Unless you live near a body of water, it’s unlikely that you have a swimming pool at home. Homes located near bodies of water or rivers frequently lack soil that is appropriate for use as a drain field.

Pumping Intervals Vary for Your Septic Tank and Holding Tank

Because holding tanks are incapable of removing waste on their own, they must be pumped more often. Homes with a holding tank may require a pump every two to five months, depending on the size of the tank. Septic tanks, on the other hand, only need to be pumped every two or three years, depending on usage. The frequency of flushing varies depending on how much water is used.

We Take Care of Your Septic System in Lynden

Residential septic systems are included by our OSS inspections. Grease trap cleaning is something we do for businesses. For a cleaning or checkup, please contact us atLil John Sanitary Services. Whether you live in a house with a septic tank or a holding tank, we’ll take care of the work for you! In addition, we offer portable toilets for festivals and commercial use.

Home Septic Tank and Holding Tank Pumping in Lynden

Residential septic systems are included by our OSS inspections. Grease trap cleaning is something we do for companies. ContactLil John Sanitary Services if you need a cleaning or a checkup done on your property. We’ll take care of your septic tank or holding tank, regardless of whether you own a home. In addition, we rent portable toilets for events and commercial purposes.

Why You Might Want a 2-Tank Septic System

Residential septic systems are included in our OSS inspections. We clean grease traps for commercial clients. Get in touch with us atLil John Sanitary Services if you need a cleaning or checkup. Whether you live in a house with a septic tank or a holding tank, we can handle the task! In addition, we offer portable toilets for events and commercial purposes.

What does a 2-Tank Septic System Do?

In contrast to a traditional septic system, the two tanks on a dual septic system are utilized to separate and store blackwater and greywater independently from one another. Urine, fecal matter, and flush water are all examples of what is considered blackwater.

Greywater, on the other hand, is the liquid that comes from showers, sinks, and washing machines that is far less pathogenic. This relieves a significant amount of stress off the septic tank as a whole and helps to prevent it from being overcrowded.

A better Removal of Solids and Effluent Quality

Additionally, a 2-tank septic system is more effective at breaking down and eliminating particles when compared to a single tank system. Having an additional treatment area to break down waste and settle the solids can go a long way toward improving the overall quality of your septic system. On top of that, the vertical wall is positioned in such a way that it traps sediments more efficiently, resulting in improved effluent flow and protection of the drainage field.

How a 2-Tank Septic System Saves You Money

A two-tank septic system not only does a better job of holding and discharging waste, but it may also save you money in the long term. Dual tanks have the natural ability to store more wastewater, which means that you will spend less money on wastewater pumping. Compared to a traditional septic tank, the likelihood of overflowing and damaged pipes is decreased due to the lesser amount of strain that it is subjected to during operation. When you use a standard system, you will not have to deal with the costly repairs that are frequently associated with them.

How Can Norway Septic Help?

Located in Norway, Indiana, Norway Septic Inc. is a customer-focused company devoted to delivering outstanding septic tank cleaning and septic tank pumping services to homes and business owners in the Michiana area. We take great delight in finishing the task that others have left unfinished. For more information on purchasing a new effluent filter or scheduling a septic tank cleaning with one of our specialists, please contact us right now.

Dual Tanks Serve a Purpose

The following are my thoughts on septic tanks in response to your question: There is no way to produce different water levels in a two-compartment tank unless the flow between the compartments is significantly controlled. This is not a strategy that will be advocated by anyone. Attenuation does not occur because of variations in water levels (slower flow). More attenuation equals more residence time, and residence time is equal to the product of water volume divided by the flow velocity of the water stream.

  1. Better separation is achieved by increased residency time.
  2. Using a 300 gallon water volume and a flow rate of 150 gpd, the residence period is two days under ideal mixing (which should be avoided), and maybe 12 hours under stratified flow conditions (which is desired).
  3. It is my intention to discuss my knowledge of the hydraulics of flow in septic tanks, both with and without a compartment.
  4. Solids that float become a part of the scum layer, which collects on the surface of the water.
  5. If the solids are organic, as they should be, anaerobic bacteria will work on them to lower their volume, which is why they should be used.
  6. Many of your statements concerning septic tank flow, on the other hand, are incorrect in my opinion.
  7. The invert (bottom) of the output pipe was used to measure the distance between the two pipes.

This size should offer sufficient room for the storage of floating scum in a floating scum tank.

You mentioned that a septic tank with a water capacity of 300 gallons and a flow rate of 150 gallons per day will have a residence time of two days.

It’s possible that your math is right, but the flow pattern is most certainly incorrect.


A septic tank’s flow and mixing dynamics are such that it is unlikely to assume residence periods in the manner in which you have described them.

Whenever the liquid level in the tank rises, effluent begins to flow out of the tank.

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Our septic tank held a total of 1,000 gallons of wastewater.

Over the course of around two minutes, approximately 20 gallons of water would flow into the septic tank.

A total surface area of 32 square feet is covered by this structure.

(7.5% of one cubic foot is made up of liquid).

This would be the greatest depth of flow that could be achieved in the discharge pipe.

Consequently, when the liquid level in the septic tank decreased, the rate of outflow decreased.

This activity is referred to as “attenuation” or “dampening of a flood wave” in hydraulic jargon.

This is precisely what occurs in the several dams that line the Missouri River’s course.

It is possible to regulate the rate of outflow by altering the outlet gates.

A septic tank with a compartment, on the other hand, undergoes even more attenuation of the flow.

The outlet pipe of the second compartment must be two inches lower than the outlet pipe of the tee in the first compartment in order for the system to function properly.

Due to the fact that there will be two liquid levels in the septic tank, it is preferable to restrict the flow between compartments.

Even if our 1,000-gallon septic tank had been divided into two compartments, with 600 gallons in each section, the liquid level in the first compartment would have increased by 1.67 inches as a result of the 20 gallons of wastewater that entered the tank.

In order to prevent overflowing of the tank, it was necessary to gradually increase the liquid level in the second compartment.

This slower flow will enable for a cleaner effluent to come out of the tank as a result of the slower flow.

However, in my opinion, the total outflow duration will be at least twice as long as the 20 minutes I saw in my septic tank with no compartment in my previous experiment.

Compared to a tank of the same volume that does not have a compartment, the outflow from a tank with the correct compartment is significantly slower.


Septic tank and holding tank are two words that are frequently used interchangeably. Despite the fact that they are both sanitation systems, there are significant variances between them. Both types of tanks collect wastewater from the home, but they each manage this effluent in a different manner than the other. If you want to learn more about installing a holding tank, continue reading to discover more about this type of sanitation system. 1. HOLDING TANKS ARE DIFFERENT FROM SEPTIC TANKSA septic tank is a large vessel that collects household wastewater through an inlet pipe, treats the effluent through a bio-action process, and releases the treated water into a drainfield where the water percolates underground.

  1. A holding tank is also used to collect wastewater from the home, which is accessed by an inlet.
  2. Secondly, STORAGE TANKS REQUIRE CONSTANT PUMPING It is recommended by experts that you pump your septic tank every two to three years, depending on factors such as the size of your family or structure.
  3. If you want to utilize the holding tank on a regular basis, it is possible that you will need to clean the unit every 6 to 8 weeks.
  4. The frequency with which the alarm will sound will be determined by a variety of factors, including the size of the tank and the number of people within.
  5. Avoid putting unsuitable objects down the drain, such as food particles and grease, to ensure that your holding tank lasts as long as possible.
  6. 3.
  7. Many factors go into the construction of a functioning and fail-safe holding tank.

Additionally, you must determine the proper depth for building the subterranean tank as well as complete complex plumbing operations.


Holding tank owners in California are obliged to get the necessary permits from their local Environmental Health Officer and to pay the associated costs before constructing a holding tank.

Once your holding tank has been installed, you must wait for clearance from the local health authorities before you may begin using it.


In addition to permit fees, labor costs, and site conditions will all influence the cost of establishing a holding tank.

Holding tanks, on the other hand, may have a greater maintenance cost than other types of units due to the constant pumping of these units.

Overall, when comparing the upfront costs of building, running, and maintaining a septic tank to the cost of a holding tank, the holding tank comes out on top for property owners looking for the most value for their money.

It can be used in a variety of situations. Do you want to put up a holding tank at your plant to store waste? You can rely on the professionals at Pete’s Outflow Technicians to complete the work correctly. Make a phone call now to talk with one of our knowledgeable professionals.

Types of Septic Systems

Septic system design and size can differ significantly from one neighborhood to the next, as well as throughout the country, due to a variety of variables. Household size, soil type, slope of the site, lot size, closeness to sensitive water bodies, weather conditions, and even municipal ordinances are all considerations to take into consideration. The following are 10 of the most often encountered septic system configurations. It should be noted that this is not an exhaustive list; there are several additional types of septic systems.

  • Septic Tank, Conventional System, Chamber System, Drip Distribution System, Aerobic Treatment Unit, Mound Systems, Recirculating Sand Filter System, Evapotranspiration System, Constructed Wetland System, Cluster / Community System, etc.

Septic Tank

Septic Tank; Conventional System; Chamber System; Drip Distribution System; Aerobic Treatment Unit; Mound Systems; Recirculating Sand Filter System; Evapotranspiration System; Constructed Wetland System; Cluster / Community System; Septic Tank.

Conventional System

Septic tanks and trench or bed subsurface wastewater infiltration systems are two types of decentralized wastewater treatment systems (drainfield). When it comes to single-family homes and small businesses, a traditional septic system is the most common type of system. For decades, people have used a gravel/stone drainfield as a method of water drainage. The term is derived from the process of constructing the drainfield. A short underground trench made of stone or gravel collects wastewater from the septic tank in this configuration, which is commonly used.

Effluent filters through the stone and is further cleaned by microorganisms once it reaches the soil below the gravel/stone trench, which is located below the trench.

Chamber System

Gravelless drainfields have been regularly utilized in various states for more than 30 years and have evolved into a standard technology that has mostly replaced gravel systems. Various configurations are possible, including open-bottom chambers, pipe that has been clothed, and synthetic materials such as expanded polystyrene media. Gravelless systems can be constructed entirely of recycled materials, resulting in considerable reductions in carbon dioxide emissions during their lifetime. The chamber system is a type of gravelless system that can be used as an example.

The key advantage of the chamber system is the enhanced simplicity with which it can be delivered and built.

This sort of system is made up of a number of chambers that are connected to one another.

Wastewater is transported from the septic tank to the chambers through pipes. The wastewater comes into touch with the earth when it is contained within the chambers. The wastewater is treated by microbes that live on or near the soil.

Drip Distribution System

An effluent dispersal system such as the drip distribution system may be employed in a variety of drainfield configurations and is very versatile. In comparison to other distribution systems, the drip distribution system does not require a vast mound of dirt because the drip laterals are only placed into the top 6 to 12 inches of soil. In addition to requiring a big dosage tank after the sewage treatment plant to handle scheduled dose delivery of wastewater to drip absorption areas, the drip distribution system has one major disadvantage: it is more expensive.

Aerobic Treatment Unit

Aerobic Treatment Units (ATUs) are small-scale wastewater treatment facilities that employ many of the same procedures as a municipal sewage plant. An aerobic system adds oxygen to the treatment tank using a pump. When there is an increase in oxygen in the system, there is an increase in natural bacterial activity, which then offers extra treatment for nutrients in the effluent. It is possible that certain aerobic systems may additionally include a pretreatment tank as well as a final treatment tank that will include disinfection in order to further lower pathogen levels.

ATUs should be maintained on a regular basis during their service life.

Mound Systems

Using mound systems in regions with short soil depth, high groundwater levels, or shallow bedrock might be a good alternative. A drainfield trench has been dug through the sand mound that was erected. The effluent from the septic tank runs into a pump chamber, where it is pumped to the mound in the amounts recommended. During its release to the trench, the effluent filters through the sand and is dispersed into the native soil, where it continues to be treated. However, while mound systems can be an effective solution for some soil conditions, they demand a significant amount of land and require regular care.

Recirculating Sand Filter System

Sand filter systems can be built either above or below ground, depending on the use. The effluent is discharged from the septic tank into a pump compartment. Afterwards, it is pushed into the sand filter. The sand filter is often made of PVC or a concrete box that is filled with a sand-like substance. The effluent is pushed through the pipes at the top of the filter under low pressure to the drain. As the effluent exits the pipelines, it is treated as it passes through the sand filtering system.

However, sand filters are more costly than a standard septic system because they provide a higher level of nutrient treatment and are thus better suited for areas with high water tables or that are adjacent to bodies of water.

Evapotranspiration System

Evaporative cooling systems feature drainfields that are one-of-a-kind. It is necessary to line the drainfield at the base of the evapotranspiration system with a waterproof material. Following the entry of the effluent into the drainfield, it evaporates into the atmosphere. At the same time, the sewage never filters into the soil and never enters groundwater, unlike other septic system designs. It is only in particular climatic circumstances that evapotranspiration systems are effective. The environment must be desert, with plenty of heat and sunshine, and no precipitation.

Constructed Wetland System

Construction of a manufactured wetland is intended to simulate the treatment processes that occur in natural wetland areas. Wastewater goes from the septic tank and into the wetland cell, where it is treated. Afterwards, the wastewater goes into the media, where it is cleaned by microorganisms, plants, and other media that eliminate pathogens and nutrients. Typically, a wetland cell is constructed with an impermeable liner, gravel and sand fill, and the necessary wetland plants, all of which must be capable of withstanding the constant saturation of the surrounding environment.

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As wastewater travels through the wetland, it may escape the wetland and flow onto a drainfield, where it will undergo more wastewater treatment before being absorbed into the soil by bacteria.

Cluster / Community System

In certain cases, a decentralized wastewater treatment system is owned by a group of people and is responsible for collecting wastewater from two or more residences or buildings and transporting it to a treatment and dispersal system placed on a suitable location near the dwellings or buildings. Cluster systems are widespread in settings like rural subdivisions, where they may be found in large numbers.

Septic System vs. Holding Tank- Part 1

Understanding the difference between a septic system and a holding tank is one of the first stages in becoming familiar with the septic service industry. When purchasing a property for the first time, it is extremely beneficial to have a home that is not connected to a public sewer system. Each system type has its own set of maintenance needs, so it’s a good idea to be aware of these distinctions before you begin work. The purpose of a holding tank will be discussed in this essay. Tanks for storing liquids: A system that includes a holding tank is rather straightforward.

  • Because of rigorous restrictions requiring near access for the pumpers, the covers for the tanks will often be located in the front yard of the house.
  • Once the tanks have been pumped, the alarm may be turned off and then back on.
  • They’ll come and empty the tanks, and you’ll be set till the next time the alarm goes off, if everything goes as planned.
  • Keep in mind that all of the waste from your sinks, toilets, tubs, laundry, and other sources goes into the holding tanks.
  • We recommend that you learn how to conserve water as much as possible by taking shorter showers, doing full loads of laundry, running full dishwasher loads, and replacing any leaking or dripping faucets.
  • Holding tanks are quite prevalent and are less expensive to install than other types of tanks.

Homeowners should be aware that this sort of system will require frequent pumping, which they should plan for ahead of time. Our next piece will go through the differences between holding tanks and septic systems, so stay tuned!

Above Ground Septic Tanks

Septic holding tanks, job trailer waste tanks, job trailer septic tanks, job shack tanks, waste tanks, trailer waste tanks, camper septic tanks, cottage septic tanks, and motorhome septic tanks are all terms used to describe above-ground septic tanks. Septic tanks have not been certified by the Food and Drug Administration to store or carry drinkable water, and thus should not be utilized for this purpose. Their major function is to hold human waste, sewage, and black water in a contained environment.

  • Recreational vehicles, mobile homes, cottages, campsites, job trailers, and job shacks are all examples of structures where septic tanks are the only available option.
  • The majority of the time, they are employed as portable black water tanks.
  • These plastic trash tanks are made from high-density virgin polyethylene resin that has been rotationally manufactured.
  • The use of UV inhibitors during the manufacture process protects the tank from sun damage, allowing it to be used either indoors or outdoors without deterioration.
  • These advantageous characteristics help to ensure that the tanks have a long and effective lifespan.
  • They do not require any particular equipment to carry, and they may be moved into position by two individuals working together.
  • Above-ground septic tanks are available in a variety of sizes, ranging from 250 gallons to 440 gallons in volume capacity.
  • They are opaque and are available in two colors: black and gray.
  • Any additional connections, ports, or lids that are required for the tanks can be installed.

Plastic Septic Tanks

Plastic Septic Tanks for sale at the lowest costs are available online, and you may save up to 50% off retail pricing.

about septic tanks

Our plastic septic tanks are built to last and are intended for quick and simple installation. In addition, because our plastic septic tanks are composed of polyethylene, they are resistant to soil chemicals as well as to the chemicals and gases contained in sewage, which means that our plastic septic tanks will not rust or corrosion. Our septic tanks are available in either a single or a double compartment configuration. Additionally, we provide our septic tanks pre-plumbed, which means that they are delivered to you ready to be installed.

Recreational vehicle black water septic tanks and marine black water septic tanks are both available in rectangular shapes for use with recreational vehicles and boats.

If you want assistance in selecting the most appropriate septic tank for your needs, our sales staff would be happy to assist you. Residential, commercial, trailers, homes, cottages, RV parks, construction buildings, and a variety of other purposes are common.

poly septic tanks for sale

  • Aerated above-ground septic tanks
  • Underground plastic septic tanks
  • State septic tanks
  • Pre-plumbed septic tanks
  • 200 Gallon Septic Tanks
  • 300 Gallon Septic Tanks
  • 750 Gallon Septic Tanks
  • 900 Gallon Septic Tanks
  • 1000 Gallon Septic Tanks
  • 1050 Gallon Septic Tanks
  • 1250 Gallon Septic Tanks
  • 1500 Gallon Septic Tanks
  • 2500 Gallon Septic Tanks
  • 2600

Plastic Septic Tanks – Two Compartments

Ace Septic TanksAce Roto-Mold septic tanks are stronger, easier to install, and less costly than old-fashioned concrete septic tanks- yet they still offer the quality construction and safety you expect. Manufactured from high-density polyethylene with U.V. inhibitors, Ace Roto-Mold tanks utilize a horizontal flow designed for below ground installations up to 36 inches. Ace Tanks are IAPMO approved and have passed strenuous stress tests. Each tank carries an individual serial code and is fully document from date of manufacture.Ace Roto-Mold septic tanks are designed and manufactured with rigorous quality controls. The trapezoidal deep-rib design and interior baffle system make Ace Tanks the industry choice. Only Ace tanks feature a custom-molded gasket in the lid. Manufactured from extruded Nitrile rubber, the gasket snaps into the lid and ensures a watertight seal. Our exclusive lid design locks in place with nylon ties, eliminating the need for metal fasteners that can corrode and fail.Ace’s unique tank baffle system slows the flow of wastewater and directs it to the middle of the tank so wastewater can separate from solids. An outlet baffles allows the partially treated liquids to flow out for further treatment. Advantages of Ace’s baffle design include added strength, versatility, and ease of installation.Septic tanks are available in one-compartment and two-compartment designs and are manufactured for containment of liquids up to 1.7 specific gravity.Ace Septic / Cistern Tank AccessoriesRemember to order your state specific internal plumbing kit. Links:Septic Tank Product Description, Function and ServiceSeptic Tank Installation ProceduresSpherical Septic Tank Installation ProceduresSeptic Tank Divider Installation Procedures

Norwesco Septic Tanks300 + 500 Gallon Spheres may be used as Septic Holding Tanks (Pump Out).SeeUnderground Water Tanksfor others availablefor Septic Holding Tanks.The world’s leading manufacturer of polyethylene tanks, NORWESCO has been producing polyethylene septic tanks since 1980. With that kind of experience, NORWESCO offers you proven products that you can count on for years of dependable, trouble-free service.For septic system replacement and new home construction, NORWESCO‘s polyethylene septic tanks are designed for durability and quick, easy installation. Any NORWESCO septic tank can be transported to the job site in a pickup truck and carried by just two people. That enables you to install the tank on your schedule.All NORWESCO septic tanks are manufactured by means of the rotational molding process, which produces a one-piece, seamless, watertight tank. Polyethylene is unaffected by soil chemicals and by the chemicals and gases present in sewage, so NORWESCO septic tanks will not rust or corrode and require no additional coatings as other tanks do. NORWESCO’s strict quality guidelines ensure an environmentally safe septic tank.NORWESCO septic tanks come equipped with manhole covers and detailed installation procedures. Manhole extensions and lid/riser combinations are available to bring tank access to grade and to meet code specifications. The 750, 1000, 1250 and 1500 gallon sizes are available in both one and two compartment configurations.NORWESCO septic tanks are for BELOW GROUND USE ONLY. Using the tanks above ground may result in deformation of the tank. It is far more cost-effective to utilize one of NORWESCO’s above ground tanks that are specifically designed for above ground use and applications.The tanks described and shown on this page cannot be used as pump tanks and must be kept full at all times.PRE-PLUMBING: All of our NORWESCO septic tanks that are 750 working gallons andabove are “pre-plumbed” with PVC inlet and outlet assemblies. Assemblies andtheir components are made of either SDR35 or SCH40 PVC depending on state orlocal code requirements. All assemblies are sized according to code requirementsas well. Finally, an EPDM gasket is placed between the “T” assembly and thetank wall to assure watertightness. NORWESCO septic tanks will arrive to youready for installation.WATERTIGHT DOMED LIDS: All septic tanks manufactured at all facilities, are equipped with a watertight domed lid. This domed lid is significantly stronger than previous lids we have offered. When leaving our factory, the lid(s) will be attached to the tank with stainless steel screws and come standard with a foamed, polyethylene gasket between the lid and the tank. This gasket provides a watertight seal at the lid area.MANHOLE EXTENSIONS AND LID/RISER COMBINATIONS: Again, at all facilities, the notches in the manhole area(s) of the tank have been removed as the “interruption” in the manhole, or circle, weakens that area. The lugs on the accessories have also been removed. See tank accessories for more information on the accessory items.NORWESCO septic tanks are backed by a full three-year warranty and have been certified by state and local health departments from coast to coast. Where applicable, NORWESCO septic tanks have been certified by both IAPMO and CSA.Across the United States and Canada, there are certain health code requirements that our tanks must meet. These codes are regulated by the state, county or province.Click here for Septic Tanks in HawaiiTank Depot Tanks Light Weight – Durable – Easy to Install

The Bruiser (Two Compartment Septic/Holding Tanks)

The Bruiser is a TOUGH TANK, to say the least! It can be used as a septic tank, a holding tank, a pump chamber, or a cistern tank for potable water, depending on its size and purpose.

  • Backfill should be made of natural soils. There is no requirement for water during the backfilling process. Pre-plumbed in accordance with state regulations
  • Accepts effluent filters up to 4 inches in diameter.

For more than three decades, NORWESCO has been the world’s top manufacturer of plastic tanks, including septic tanks made of polyethylene. With this level of expertise, NORWESCO is able to provide you with products that have been tested and proved to provide years of dependable, trouble-free service. NORWESCO’s polyethylene septic tanks are ideal for septic system replacement and new house building since they are durable and easy to install in a short amount of time. Any NORWESCO septic tank may be delivered to the project site in a pickup truck and carried by just two persons, depending on the model.

  1. All NORWESCO septic tanks are constructed using the rotational molding technique, which results in a tank that is one piece, seamless, and waterproof in construction.
  2. The high quality criteria followed by NORWESCO ensure that the septic tank is safe for the environment.
  3. The use of manhole extensions and lid/riser combinations can raise tank access up to the appropriate level and comply with code requirements.
  4. NORWESCO septic tanks are designed for use ONLY BELOW GROUND.
  5. Use of NORWESCO’s above-ground tanks, which are particularly built for above-ground use and applications, is considerably more cost-effective than using a conventional underground tank.
  6. The PVC used in the assemblies and their components is either SDR35 or SCH40 PVC, depending on the state or municipal code requirements.
  7. Finally, an EPDM gasket is installed between the “T” assembly and the tank wall to ensure that the tank is completely waterproof.

WATERTIGHT DOMED LIDS: All septic tanks constructed at all facilities are supplied with a watertight domed lid to ensure that they are completely water tight.

When the lid(s) leave our facility, they will be secured to the tank with stainless steel screws and will include a foamed polyethylene gasket between the lid and the tank as standard.

MANHOLE EXTENSIONS AND LID/RISER COMBINATIONS: Once again, the notches in the manhole area(s) of the tank have been eliminated at all facilities because the “interruption” in the manhole, or circle, weakens the region around the manhole or circle.

More information on the auxiliary items may be found under tank accessories.

NORWESCO septic tanks have received certification from both the IAPMO and the CSA, when appropriate.

These codes are governed by the government of the state, county, or province. Accessories for Septic Water Tanks may be found by clicking here. Tank Depots are a type of storage tank. Lightweight – long-lasting – simple to assemble Tank Installation Procedures may be found by clicking here.

Minnesota Septic Tanks

Belle Plaine BlockTile maintains its competitive edge by providing a big number of diverse kinds of tanks to fulfill a wide range of customer requirements. We build septic, pump, and holding tanks in both single and double compartment configuration. Our tanks have a capacity ranging from 500 to 3,000 gallons, depending on the model. Optional reverse tanks, various manholes, and filtering capabilities are also available as options. Over a number of years, we have refined our concrete tanks to produce the highest possible level of exceptional quality.

Please see the links below for further information and comprehensive drawings of all Belle Plaine BlockTile has to offer you.

Please click here to be forwarded to the MPCA website for a comprehensive listing of all registered tanks currently available, or call our office for further information.

500 Gallon Capacity

  • A Single Compartment Pump(PDF)
  • A Single Compartment Holding(PDF)
  • A Single Compartment Insulated Lid Pump(PDF)

750 Gallon Capacity

  • Pump with a single compartment (PDF)
  • Holding with a single compartment (PDF)

1,000 Gallon Capacity

Please refer to the Low Profile Tanks section for other options.

  • Single Compartment Pump(PDF)
  • Single Compartment Holding(PDF)
  • Single Compartment Green Riser Septic(PDF)
  • Single Compartment Septic(PDF)
  • Single Compartment Side Inlet Septic(PDF)
  • Single Compartment Side Inlet Pump(PDF)
  • Single Compartment

1,250 Gallon Capacity

  • Single Compartment Pump(PDF)
  • Single Compartment Holding(PDF)
  • Single Compartment Septic(PDF)
  • Single Compartment Inlet Septic(PDF)
  • Single Compartment Side Inlet Pump(PDF)
  • Single Compar

1,500 Gallon Capacity

Please refer to the Low Profile Tanks section for other options.

  • The following documents are available: Single Compartment Pump(PDF)
  • Single Compartment Holding(PDF)
  • Single Compartment Pump w/Green Riser(PDF)
  • Single Compartment Septic(PDF)
  • Double Compartment Green Riser Septic(PDF)
  • Double Compartment Reverse Septic/Pump(PDF)
  • Single Compartment Side Inlet Septic(PDF)
  • Single Compartment Septic w/Green Riser(PDF)
  • Double Compartment Insulated Lid Septic(PDF).

2,000 Gallon Capacity

  • Pump(PDF)
  • Single Compartment Holding(PDF)
  • Single Compartment Side Inlet Septic(PDF)
  • Single Compartment Green Riser Septic(PDF)
  • Single Compartment Side Inlet Pump(PDF)
  • Single Compartment Green Riser Pump(PDF)
  • Single Compartment Septic(PDF)
  • Double Compartment Septic(PDF)
  • Double Compartment Green Riser Side Inlet Septic(PDF)
  • Double Compartment Green Riser Side Inlet Filter

2,250 Gallon Capacity

  • Double Compartment Filter Cap Side Inlet Septic (3 Man Hole)(PDF)
  • Double Compartment Septic(PDF)
  • Triple Compartment Septic/Septic/Pump(PDF)
  • Triple Compartment Septic/Septic/Pump w/Green Riser (PDF)
  • Triple Compar

2,500 Gallon Capacity

  • Single Compartment Side Inlet Pump (3 Man Hole)(PDF)
  • Single Compartment Holding(PDF)
  • Single Compartment Side Inlet Septic(PDF)
  • Double Compartment Side Inlet Filter Cap Septic (3 Man Hole)(PDF)
  • Triple Compartment Side Inlet Septic Tank(PDF)
  • Single Compartment Side Inlet Septic Tank(PDF)

3,000 Gallon Capacity

  • Single Compartment Gallon Septic(PDF)
  • Double Compartment Gallon Septic(PDF)
  • Triple Compartment Gallon Septic(PDF)
  • Single Compartment Gallon Septic(PDF)

Low Profile Tanks

  • Individual 1000 Gallon Septic(PDF)
  • Individual 1000 Gallon Green Riser(PDF)
  • Individual 1500 gallon Multi Use(PDF)
  • Individual 1500 gallon Green Riser(PDF)
  • Individual 1500 gallon Multi Use w/Green Riser(PDF)
  • Individual 1500 gallon Multi Use with Green Riser(PDF)
  • Individual 1500

Manhole Riser System

  • (PDF) Manhole Riser System (PAGE 1)
  • Manhole Riser System (PAGE 2)
  • Manhole Riser System (PAGE 3)

Tank Detail, Installation Instructions, and Order Form

  • In this section, you will find the following documents: Manhole Riser System (PAGE 1)(PDF)
  • Manhole Riser System (PAGE 2)(PDF)

Plastic Septic Holding Tanks

septic tanks are offered for residential, agricultural, commercial, and job site uses. Both underground and above ground septic tanks may be installed. Underground septic tanks are offered in a range of capacity ranging from 200 to 5025 gallons. Above-ground septic tanks are offered in capacities ranging from 250 to 440 gallons. All septic tanks are rotationally molded from high density polyethylene (HDPE) resin, resulting in a seamless and robust septic tank that is resistant to corrosion, rust, impact, and punctures.

  • Plastic septic tanks, such as polyethylene, are resistant to the chemicals and gases that may be present in soil or sewage.
  • Plastic septic tanks offer a high level of tolerance to variations in weather and temperature, making them extremely adaptable to changing environmental conditions.
  • They have not been approved by the FDA for use with drinking water.
  • Septic tanks are the most important component of a comprehensive septic system.
  • Known by several other names, underground septic tanks are also referred to as cesspits, cesspool tanks, below-ground storage tanks, sewer holding tanks, sewage holding tanks, waste holding tanks, and blackwater tanks.
  • Protank’s septic tanks are designed to be long-lasting and simple to install, making them a popular choice.
  • They are offered in two different configurations: unplumbed or pre-plumbed installation ready.

They are available in either a single compartment or a multiple compartment configuration.

Pump tanks can be equipped with additional inlets and outputs upon request.

An extension or riser can be added to any of the underground septic tanks manufactured by Protank.

Above-ground septic tanks are meant to be freestanding, having a low profile and a rectangular flat form that allows them to be installed beneath building foundations.

In addition to being lightweight, plastic above-ground septic tanks are easy to handle with two people.

There are several pre-installed port choices available.

There are a few customizing options available. Custom fabrication choices include things like connections, apertures, lids, inlets, and outlets, to name a few. For queries about polyethylene septic tanks, bespoke manufacturing, or for further information, please contact us.

Underground Septic Holding Tanks

septic tanks are available for residential, agricultural, commercial, and job site uses. Both underground and above ground septic tanks can be used. Underground septic tanks are offered in a variety of sizes ranging from 200 to 5025 gallons. A range of above-ground septic tanks is offered, ranging from 250 gallons to 444 gallons in capacity. High-density polyethylene (HDPE) resin is used in the construction of all septic tanks. This process results in a smooth and robust septic tank that is resistant to corrosion, rusting, impacting, and puncturing.

  • These tanks are constructed with UV inhibitors to prevent damage caused by sunlight when used outside.
  • Waste water, sewage, and black water are the only liquids that should be stored in this tank.
  • HDPE septic tanks have the characteristics that allow them to have extended service lifetimes, making them the central component of full septic systems.
  • Cesspits, cesspool tanks, below-ground tanks, sewer tanks, sewage tanks, waste holding tanks, and blackwater tanks are all terms used to describe underground septic tanks.
  • A robust septic tank built by Protank that can be quickly installed is a must-have for any home or business.
  • It is possible to purchase them unplumbed or pre-plumbed and ready to go into the wall.
  • It is possible to purchase tanks with a single or numerous compartments.

Pump tanks can have additional inlets and outputs installed upon request.

Protank’s subterranean septic tanks may be customized with manway extensions and risers.

Above-ground septic tanks are meant to be freestanding, with a low profile and a rectangular flat form that allows them to be installed beneath buildings.

In addition to being lightweight, plastic above-ground septic tanks are easy to handle by two people.

You may choose from a variety of pre-installed ports.

There are a few different customizing possibilities. Custom fabrication choices include things like connections, apertures, lids, inlets, and outlets. We welcome your queries about polyethylene septic tanks, bespoke manufacturing, or for more information about our services.

Norway-based Norwesco has been manufacturing polyethylene septic tanks since 1980. Norwesco is the world’s biggest maker of polyethylene tanks. Norwesco has a wealth of knowledge and expertise to give you goods that have been tested and proved to provide years of dependable, trouble-free service. A complete three-year guarantee is provided from the date of manufacturing, and Norwesco septic tanks have been certified by state and municipal health officials throughout the United States. Norwesco septic tanks have received certification from both the IAPMOTM and the CSATM, when appropriate.

You will be pleased to learn that Norwesco tanks will exceed your expectations in terms of performance and lifespan.

Any Norwesco septic tank may be delivered to the project site in a pickup truck and handled by just two persons, depending on the model.

DESIGNED AS A ONE-PIECE CONSTRUCTION WITH ROTATIONAL MOLDING Norwesco septic tanks are created using the rotational molding method, which results in a tank that is one piece, seamless, and waterproof in construction.

CHEMICAL RESISTANCE THAT IS OUTSTANDING Due to the fact that polyethylene is unaffected by soil chemicals as well as by the chemicals and gases inherent in sewage, Norwesco septic tanks will not rust or corrode and will not require any extra coatings, as would be required by other tanks.

A SINGLE OR A DOUBLE COMPARTMENT HOUSE Tanks are available in both single compartment and double compartment (2/3 – 1/3).

A WATERTIGHT LIDNorwesco septic tanks are built with a watertight lid as standard equipment.

When the lid leaves our facility, it will be secured to the tank with stainless steel screws and will have a gasket between the lid and the tank as standard.

ACCESSORIES ARE AVAILABLE FOR ORDER Manhole extensions and lid-riser combinations are offered to bring tank access up to code standards and to bring tank access up to code standards.

Norwesco, Inc. was founded in the year 2022. All Intellectual Property Rights are Reserved. Minnesota Web Design is a service that provides web design services to businesses in Minnesota. W.A. Fisher & Company

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