Section 445A.67285 - Water hauling: Sanitation and disinfectionIf the Division or the appropriate district board of health approves the use of water hauling:
1. The water must be obtained only from a source that: (a) Meets primary and secondary standards; and(b) Has been approved by the Division or the appropriate district board of health before the water is obtained. The supplier of water shall provide the Division or the appropriate district board of health with evidence of compliance with this subsection.
2. The supplier of water shall provide for:(a) The sanitary transfer of water from its source to the tanks used for water hauling and from those tanks to the tanks owned or used by customers of the public water system.(b) The sampling and analysis of the hauled water, at a frequency approved by the Division or the appropriate district board of health, to determine whether the hauled water meets primary standards for coliform bacteria. If the water in any vehicle fails to meet those standards, the vehicle must not be used for water hauling until further testing indicates that the contamination has been eradicated. The supplier of water shall provide the Division or the appropriate district board of health with evidence of compliance with this paragraph.(c) The sanitation and disinfection of the tanks used for water hauling and of the lines and appurtenances used for the transfer and distribution of the water. After it is constructed, cleaned or repaired, and before it is placed into service: (1) Such a tank, line or appurtenance must be disinfected in accordance with American Water Works Association Standard C651, as adopted by reference in NAC 445A.6663. The disposal of any spent chlorine solutions must be coordinated with the Bureau of Water Pollution Control of the Division.(2) An analysis of the tank, line or appurtenance which indicates that it meets primary standards for coliform bacteria must be obtained and reported to the Division or the appropriate district board of health.3. The chlorine residual in the hauled water must be not less than 1 mg/l and not more than 5 mg/l.4. Except as otherwise authorized by the Division or the appropriate district board of health, the vehicles used for water hauling must be used only for the distribution of potable water and must never have contained, hauled or carried any materials or substances other than water from a source approved by the Division or the appropriate district board of health.5. There must be no modification of the facilities where the water is obtained or the tanks in which the water is hauled without the prior approval of the Division or the appropriate district board of health.6. The tanks used for water hauling must be cleaned and disinfected with a chlorine solution, at such frequencies as the Division or the appropriate district board of health determines appropriate, in accordance with the following procedure: (a) A sufficient amount of chlorine must be added to the tank to bring the chlorine residual to not less than 50 ppm.(b) The chlorine solution in the tank must be agitated thoroughly and allowed to contact the tank and any attached hoses for not less than 30 minutes.(c) The disposal of the spent chlorine solution must be coordinated with the Bureau of Water Pollution Control of the Division.Nev. Admin. Code § 445A.67285
Added to NAC by Bd. of Health, eff. 2-20-97; A by Environmental Comm'n by R194-08, 10-27-2009