NAC445A.9692. Holding tank system.

     1. The installation of a holding tank system for domestic sewage requires a permit. The Division or other administrative authority may issue a permit for a site that meets all of the following conditions:

     (a) The site cannot be approved for installation of a standard subsurface disposal system.

     (b) A public or community sewerage system is not available or expected to be available within 5 years after completion of the site.

     (c) The holding tank is intended to serve a county, state or national park, or an occasional-use facility, including, without limitation, a county fair or rodeo, or the holding tank is under the control of a city or other legal entity authorized to construct, operate and maintain a public or community sewerage system.

     (d) The projected daily sewage flow is not more than 500 gallons, unless otherwise allowed by the Division or other administrative authority.

     (e) The setbacks required pursuant to NAC 445A.965 can be met.

     (f) Only domestic sewage will be discharged into the holding tank.

     2. At all times that a holding tank permitted pursuant to this section is being used, the holder of the permit must maintain a service contract with a septic tank pumping contractor who has been issued a permit under chapter 444 of NAC to provide regular inspection and pumping of the holding tank.

     3. Except as otherwise provided in subsections 5 and 6, a holding tank for which a permit is issued pursuant to this section must comply with the following requirements:

     (a) Plans and specifications for each proposed holding tank must be submitted to the Division or other administrative authority for review and approval.

     (b) Each tank must:

          (1) Have a minimum liquid capacity of 2,000 gallons;

          (2) Comply with the tank standards established by the Division;

          (3) Be located and designed to facilitate the removal of its contents by pumping;

          (4) Be equipped with both an audible and a visual alarm, placed in locations acceptable to the Division or other administrative authority, to indicate when the tank is 75 percent full;

          (5) Have no overflow vent at an elevation lower than the overflow level of the lowest fixture served; and

          (6) Be designed for anti-buoyancy if test-hole examination or other observations indicate that seasonally high groundwater may float the tank when empty.

     4. An application for a permit for installation of a holding tank must include:

     (a) A copy of a contract with a septic tank pumping contractor who has been issued a permit under chapter 444 of NAC that requires the tank to be inspected and pumped at regular intervals or as needed and the contents to be treated in a manner and at a facility approved by the Division or other administrative authority; and

     (b) Evidence that the owner or operator of the proposed treatment facility will accept the pumpings for treatment.

     5. Portable holding tanks may be temporarily placed at the site of limited-duration events, including, without limitation, construction projects, if the following requirements are met:

     (a) The tank must be owned and serviced by a septic tank pumping contractor who has been issued a permit under chapter 444 of NAC.

     (b) Tank placement and use must comply with all applicable local planning, building and health requirements.

     (c) Only domestic sewage may be discharged into the tank.

     (d) The tank must be maintained in a sanitary manner to prevent a health hazard or nuisance.

     (e) The tank must not be buried, unless approved by the Division or other administrative authority.

     (f) The tank may not be used to service a dwelling, a recreational vehicle or any other structure having sleeping accommodations, except that a tank may be used on a construction site to serve a contractor’s job shack or night watchman’s trailer.

     6. In addition to the provisions of subsection 5, a portable holding tank that is temporarily placed pursuant to that subsection must meet the following standards:

     (a) Tank capacity must not exceed 1,000 gallons unless approved by the Division or other administrative authority.

     (b) The tank must be watertight and have no overflow vent lower than the overflow level of the lowest fixture served.

     (c) The tank must be structurally sound and made of durable, noncorrosive materials.

     (d) The tank must be designed and constructed to provide a secure, watertight connection with the sewer pipe for any building to which the tank is connected.

     (e) The tank must be marked with the name and phone number of the septic tank pumping contractor who has been issued a permit under chapter 444 of NAC and who is responsible for maintaining the tank.

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