A remarkably simple code, for residences applying less than 250 gallons per day of graywater.
- Aeration of graywater is not allowed.
- Unlike some states mentioned later in this chapter, rather than specifying soil loading figures, New Mexico simply states „to ensure that the hydraulic capacity of the soil is not exceeded‟
- Produce irrigation is not prohibited.
No permit is required.
Section 2. Section 74-6-4 NMSA 1978 (being Laws 1967, Chapter 190, Section 4, as amended by Laws 2001, Chapter 240, Section 1 and by Laws 2001, Chapter 281, Section 1)
shall not require a permit for applying less than two hundred fifty gallons per day of private residential gray water originating from a residence for the resident’s household gardening, composting or landscape irrigation if:
- a constructed gray water distribution system provides for overflow into the sewer system or on-site wastewater treatment and disposal system;
- a gray water storage tank is covered to restrict access and to eliminate habitat for mosquitos or other vectors;
- a gray water system is sited outside of a floodway;
- gray water is vertically separated at least five feet above the ground water table;
- gray water pressure piping is clearly identified as a nonpotable water conduit;
- gray water is used on the site where it is generated and does not run off the property lines;
- gray water is applied in a manner that minimizes the potential for contact with people or domestic pets;
- ponding is prohibited, application of gray water is managed to minimize standing water on the surface and to ensure that the hydraulic capacity of the soil is not exceeded;
- gray water is not sprayed;
- gray water is not discharged to a watercourse; and
- gray water use within municipalities or counties complies with all applicable municipal or county ordina