NAC445A.9654. Treatment of domestic sewage; pretreatment of sewage.

     1. Domestic sewage flowing to an on-site sewage disposal system must be treated by a treatment unit such as a septic tank, an aerobic wastewater treatment unit, a nitrogen removal wastewater treatment unit or other treatment unit approved by the Division or other administrative authority pursuant to NAC 445A.9654 to 445A.9662, inclusive.

     2. The Division or other administrative authority may require pretreatment of sewage entering the treatment unit of an on-site sewage disposal system if the sewage contains:

     (a) A biochemical oxygen demand of more than 250 milligrams per liter;

     (b) Total suspended solids of more than 150 milligrams per liter; or

     (c) Total oil and grease of more than 20 milligrams per liter.

     (Added to NAC by Environmental Comm’n by R194-07, eff. 8-26-2008)