Nevada Administrative Code
Chapter 445A - Water Controls
PUBLIC WATER SYSTEMS
Design, Construction, Operation and Maintenance
Section 445A.66825 - Disinfection of water: General requirements

1. In addition to any disinfection required pursuant to NAC 445A.526, a supplier of water shall provide for the continuous disinfection, in accordance with NAC 445A.66825 to 445A.6685, inclusive, of any groundwater used by the public water system which:

2. A supplier of water shall:

3. If a supplier of water proposes to use any disinfectants other than chlorine, including iodine, ozone, chlorine dioxide, chloramines or ultraviolet light, the supplier of water shall, before preparing the final plans and specifications for the facility, submit the proposal to and obtain the approval of the Division or the appropriate district board of health. If the supplier of water uses chlorine dioxide, ultraviolet light or ozone to inactivate Giardia lamblia cysts, viruses or Cryptosporidium for a public water system using surface water or groundwater under the direct influence of surface water, the disinfection practice must comply with the standards for disinfection set forth in NAC 445A.526.

4. Chloramines may be used as a secondary disinfectant to maintain an effective residual of disinfectant in a distribution system only if the Division or the appropriate district board of health, after conducting an evaluation of each proposal for such a use on a case-by-case basis, determines that chloramines are suitable for that use.