Nevada Administrative Code

NAC 445A.67155 Separation of lines: Sewer main parallel to water main or water service lateral. (NRS 445A.860) 1. If a sewer main parallels a water main or water service lateral: (a) Whenever possible, the sewer main must be located lower than the water main or water service late…

NAC 445A.6716 Separation of lines: Sewer service lateral parallel to water main or water service lateral. (NRS 445A.860) 1. If a sewer service lateral parallels a water main or water service lateral, the sewer service lateral must be in a separate trench and: (a) Except as otherw…

NAC 445A.67165 Separation of lines: Sewer main crossing water main. (NRS 445A.860) 1. If a sewer main crosses a water main: (a) Except as otherwise provided in paragraph (b), the sewer main must be located at least 18 inches lower than the water main, as measured vertically from …

NAC 445A.6717 Separation of lines: Sewer main crossing water service lateral. (NRS 445A.860) 1. Except as otherwise provided in subsection 2, if a sewer main crosses a water service lateral, the sewer main must be located at least 18 inches lower than the water service lateral, a…

NAC 445A.67175 Separation of lines: Sewer service lateral crossing water main or water service lateral. (NRS 445A.860) 1. If a sewer service lateral crosses a water main or water service lateral, the sewer service lateral must be located: (a) At least 12 inches lower than the wat…

NAC 445A.6718 Separation of lines: Lines across surface water. (NRS 445A.860) 1. A supplier of water shall consult with the Division or the appropriate district board of health before preparing any plans for the construction of a pipeline of the public water system across any sur…

NAC 445A.67185 Cross-connections and backflow: General requirements. (NRS 445A.860) A supplier of water shall: 1. Ensure that there are no unprotected connections between the supplies of water, systems for the pumping, storage and treatment of water, and distribution system of th…

NAC 445A.6719 Cross-connections and backflow: Assemblies for prevention of backflow. (NRS 445A.860) 1. Except as otherwise provided in NAC 445A.67192, each service connection must have an assembly for the prevention of backflow, of a type that is commensurate with the degree of h…

NAC 445A.67192 Cross-connections and backflow: Assembly for prevention of backflow not required for certain fire hydrants unless hazard to public water system. (NRS 445A.860) A fire hydrant that is directly connected to a water main which is accessible to the public does not requ…

NAC 445A.67195 Cross-connections and backflow: Minimum types of protection for particular service connections. (NRS 445A.860) Except as otherwise provided in NAC 445A.67185 to 445A.67255, inclusive, or authorized by the Division or the appropriate district board of health, the mi…

NAC 445A.67205 Cross-connections and backflow: Minimum types of protection for service connection to auxiliary supply of water or irrigation system. (NRS 445A.860) Except as otherwise provided in NAC 445A.67185 to 445A.67255, inclusive, the minimum type of protection required for…

NAC 445A.6721 Cross-connections and backflow: Minimum types of protection for other service connections; resolution of conflicting requirements; imposition of more stringent requirements. (NRS 445A.860) 1. The Division or the appropriate district board of health shall determine, …

NAC 445A.67215 Cross-connections and backflow: Service connection to fire sprinkler system. (NRS 445A.860) 1. A supplier of water shall ensure that: (a) An appropriate assembly for the prevention of backflow is installed at each service connection between the public water system …

NAC 445A.6722 Cross-connections and backflow: Design of fire sprinkler system. (NRS 445A.860) The designer of a fire sprinkler system shall ensure that, based upon the placement of any reduced pressure principle assembly or reduced pressure detector assembly: 1. An antifreeze loo…

NAC 445A.67225 Cross-connections and backflow: Conditions to provision of service to certain fire sprinkler systems. (NRS 445A.860) If any backflow involving a fire sprinkler system threatens a public water system, the supplier of water shall require, as a condition to the provis…

NAC 445A.6723 Cross-connections and backflow: Installation of air gap. (NRS 445A.860) Except as otherwise authorized by the Division or the appropriate district board of health, if an air gap is installed on a service connection: 1. The air gap must be located as closely as pract…

NAC 445A.67235 Cross-connections and backflow: Installation of reduced pressure principle assembly. (NRS 445A.860) Except as otherwise authorized by the Division or the appropriate district board of health, if a reduced pressure principle assembly is installed on a service connec…

NAC 445A.6724 Cross-connections and backflow: Installation of double check valve assembly. (NRS 445A.860) Except as otherwise authorized by the Division or the appropriate district board of health, if a double check valve assembly is installed on a service connection: 1. The doub…

NAC 445A.67245 Cross-connections and backflow: Duties of certified backflow prevention assembly tester. (NRS 445A.860) A certified backflow prevention assembly tester shall: 1. Perform his or her field testing of assemblies for the prevention of backflow in accordance with the pr…

NAC 445A.6725 Cross-connections and backflow: Use of vacuum breakers. (NRS 445A.860) 1. An atmospheric vacuum breaker or pressure vacuum breaker may be used only for protection against pollution or contamination under conditions of backsiphonage. 2. If an atmospheric vacuum break…

NAC 445A.67255 Cross-connections and backflow: Restrictions on use of certain valves and piping assemblies. (NRS 445A.860) 1. A stop and waste valve must not be used on a service line. 2. If a valve or piping assembly, including a frost-free riser, has an opening that is subject …

NAC 445A.6726 Disinfection of facility for collection, treatment or distribution of water. (NRS 445A.860) Before a supplier of water initially uses a facility for the collection, treatment or distribution of water, the facility must be disinfected in accordance with American Wate…

NAC 445A.67265 Duties after loss of pressure in distribution system. (NRS 445A.860) Except as otherwise authorized by the Division, if any part of a distribution system loses all pressure, the supplier of water shall, before placing that part of the distribution system back into …

NAC 445A.6727 Requirements after cleaning or repair of water main. (NRS 445A.860) 1. Except as otherwise provided in subsection 2, after a water main is cleaned or repaired, and before the water main is placed back into service: (a) The water main must be disinfected in accordanc…

NAC 445A.67275 Water hauling: Definitions. (NRS 445A.860) As used in NAC 445A.67275 to 445A.6731, inclusive, unless the context otherwise requires: 1. “Supplier of water” includes any person or other entity, including a governmental entity, which performs water hauling. 2. “Water…

NAC 445A.6728 Water hauling: General requirements; fees. (NRS 445A.860) 1. Water hauling may be used only: (a) In an emergency or on a temporary basis when water hauling is the only means of distributing drinking water to the customers of a public water system; and (b) If: (1) Th…

NAC 445A.67285 Water hauling: Sanitation and disinfection. (NRS 445A.860) If 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 b…

NAC 445A.6729 Water hauling: Log of activities. (NRS 445A.860) If the Division or the appropriate district board of health approves the use of water hauling, the supplier of water shall maintain a log of its activities relating to the water hauling which must include: 1. The date…

NAC 445A.67295 Water hauling: Construction of equipment. (NRS 445A.860) If the Division or the appropriate district board of health approves the use of water hauling: 1. Any containers, tanks, hoses, fittings, piping or other equipment used to store, haul or transfer the water mu…

NAC 445A.67305 Water hauling: Marking of vehicles. (NRS 445A.860) If the Division or the appropriate district board of health approves the use of water hauling, a vehicle used for that purpose must be marked in such a manner that: 1. The name and address of the person or other en…

NAC 445A.6731 Water hauling: Equipment of vehicles for disinfection and testing. (NRS 445A.860) If the Division or the appropriate district board of health approves the use of water hauling, a vehicle used for that purpose must have available: 1. A chorine solution with a concent…

NAC 445A.6751 Definitions. (NRS 445A.270) As used in NAC 445A.6751 to 445A.67644, inclusive, unless the context otherwise requires, the words and terms defined in NAC 445A.67511 to 445A.67557, inclusive, have the meanings ascribed to them in those sections. (Added to NAC by Bd. o…

NAC 445A.67511 “Account for the Revolving Fund” defined. (NRS 445A.270) “Account for the Revolving Fund” has the meaning ascribed to it in NRS 445A.203. (Added to NAC by Bd. of Health by R067-98, eff. 7-23-98)

NAC 445A.67512 “Account for Set-Aside Programs” defined. (NRS 445A.270) “Account for Set-Aside Programs” has the meaning ascribed to it in NRS 445A.205. (Added to NAC by Bd. of Health by R067-98, eff. 7-23-98)

NAC 445A.67513 “Acute health concern” defined. (NRS 445A.270) “Acute health concern” means a concern regarding human health that occurs when exposure to a contaminant causes an immediate risk to human health and causes symptoms to occur quickly. (Added to NAC by Bd. of Health by …

NAC 445A.67514 “Administrator” defined. (NRS 445A.270) “Administrator” has the meaning ascribed to it in NRS 445A.207. (Added to NAC by Bd. of Health by R067-98, eff. 7-23-98)

NAC 445A.67515 “Applicant” defined. (NRS 445A.270) “Applicant” means a public water system that is seeking to obtain a loan from the Account for the Revolving Fund. (Added to NAC by Bd. of Health by R067-98, eff. 7-23-98)

NAC 445A.67517 “Board for Financing Water Projects” defined. (NRS 445A.270) “Board for Financing Water Projects” means the Board created pursuant to NRS 349.957. (Added to NAC by Bd. of Health by R067-98, eff. 7-23-98; A by Environmental Comm’n by R128-04, 2-14-2005)

NAC 445A.67518 “Capability” defined. (NRS 445A.270) 1. “Capability” means: (a) The technical capability of a public water system, as defined in NRS 445A.847; (b) The managerial capability of a public water system, as defined in NRS 445A.827; (c) The financial capacity of a public…

NAC 445A.67519 “Capitalization grant” defined. (NRS 445A.270) “Capitalization grant” has the same meaning as a federal grant as defined in NRS 445A.225. (Added to NAC by Bd. of Health by R067-98, eff. 7-23-98)

NAC 445A.6752 “Categorical exclusion” defined. (NRS 445A.270) “Categorical exclusion” means an exemption from being required to comply with the provisions of NAC 445A.67587 to 445A.67612, inclusive, that is granted to an applicant for a proposed water project: 1. Which will not i…

NAC 445A.67521 “Chronic health concern” defined. (NRS 445A.270) “Chronic health concern” means a concern regarding human health that occurs when: 1. Short-term exposure to a contaminant does not cause an immediate risk to human health but may result in adverse, long-term health s…

NAC 445A.675215 “Commission” defined. (NRS 445A.270) “Commission” has the meaning ascribed to it in NRS 445A.210. (Added to NAC by Environmental Comm’n by R128-04, eff. 2-14-2005)

NAC 445A.67522 “Community water system” defined. (NRS 445A.270) “Community water system” has the meaning ascribed to it in NRS 445A.808. (Added to NAC by Bd. of Health by R067-98, eff. 7-23-98; A by Environmental Comm’n by R109-22, 12-29-2022)

NAC 445A.67523 “Completion of the water project” defined. (NRS 445A.270) “Completion of the water project” means the time at which: 1. A recipient has satisfied all requirements of a construction contract for a water project; 2. The recipient has placed the water project in servi…

NAC 445A.67524 “Construction” defined. (NRS 445A.270) “Construction” has the meaning ascribed to it in NRS 445A.215. (Added to NAC by Bd. of Health by R067-98, eff. 7-23-98)

NAC 445A.675245 “Disadvantaged community” defined. (NRS 445A.270, 445A.860) “Disadvantaged community” means an area in which, as compared to other communities in this State, residents disproportionately experience economic, environmental or health issues, including, without limit…