NAC445A.284. Design and construction of treatment works.

     1. In reviewing the design of treatment works, the Department shall use as guidelines the applicable requirements of Ten State Standards, appropriate American Society of Civil Engineers Manual of Engineering Practice or federal or other accepted engineering guidelines.

     2. As a minimum, sewerage system designs must be based on 100 gallons (378.5 liters) per person per day and 3.5 persons per lot or dwelling unit and peak flows, unless the design engineer can demonstrate validity of other design criteria derived from existing records of the sewering authority for an area of like development on the system or from the general plan of the local government.

     3. Complete engineering plans and specifications prepared by a qualified professional engineer, authorized under state law to prepare such plans and specifications, must be submitted, covering such items as sewage collection, treatment and disposal and all other matters properly relating thereto.

     4. If a discharge to the waters of the State is proposed, the design of the treatment works must ensure compliance with the appropriate provisions of NAC 445A.228 to 445A.263, inclusive.

     [Environmental Comm’n, Water Pollution Control Reg. §§ 3.2.1-3.2.4, eff. 5-2-78]—(Substituted in revision for NAC 445.180)