reglab/statecodes huggingface dataset:
Nevada Administrative Code › Chapter 445A - Water Controls › PUBLIC WATER SYSTEMS › Design, Construction, Operation and Maintenance › Section 445A.6654 - "Union" defined

Current through June 11, 2024
"Union" means a mechanical coupling or adapter that is used
				  to connect two pieces of pipe and which consists of:
1. A thread end which is fitted with interior
				and exterior threads;
2. A bottom
				end which is fitted with interior threads and a small exterior shoulder;
				and
3. A ring which at one end has
				an inside flange and at the other end has an inside thread similar to the
				exterior thread on the thread end described in subsection 1.
Added to NAC by Bd. of
				  Health, eff. 2-20-97
NRS
					 445A.860
Nevada Administrative Code › Chapter 445A - Water Controls › PUBLIC WATER SYSTEMS › Design, Construction, Operation and Maintenance › Section 445A.66545 - "Vacuum breaker" defined

Current through June 11, 2024
"Vacuum breaker" means a mechanical device that allows air
				  into a piping system and thereby prevents the backflow that could result when a
				  partial vacuum creates a siphoning action.
Added to NAC by Bd. of
				  Health, eff. 2-20-97
NRS
					 445A.860
Nevada Administrative Code › Chapter 445A - Water Controls › PUBLIC WATER SYSTEMS › Design, Construction, Operation and Maintenance › Section 445A.6655 - "Valve box" defined

Current through June 11, 2024
"Valve box" means a box or vault constructed of plastic,
				  metal or concrete which is placed over a valve stem at the surface of the
				  ground to allow access for opening and closing the valve and which has a cover
				  located at the surface of the ground to keep out dirt and debris.
Added to NAC by Bd. of
				  Health, eff. 2-20-97
NRS
					 445A.860
Nevada Administrative Code › Chapter 445A - Water Controls › PUBLIC WATER SYSTEMS › Design, Construction, Operation and Maintenance › Section 445A.66555 - "Volute" defined

Current through June 11, 2024
"Volute" means a spiral-shaped casing that surrounds an
				  impeller and collects the liquid discharged by the impeller.
Added to NAC by Bd. of
				  Health, eff. 2-20-97
NRS
					 445A.860
Nevada Administrative Code › Chapter 445A - Water Controls › PUBLIC WATER SYSTEMS › Design, Construction, Operation and Maintenance › Section 445A.6656 - "Wastewater" defined

Current through June 11, 2024
"Wastewater" means water which, as a result of domestic,
				  commercial or industrial use, contains physical, chemical or biological
				  impurities.
Added to NAC by Bd. of
				  Health, eff. 2-20-97
NRS
					 445A.860
Nevada Administrative Code › Chapter 445A - Water Controls › PUBLIC WATER SYSTEMS › Design, Construction, Operation and Maintenance › Section 445A.66565 - "Wastewater force main" defined

Current through June 11, 2024
"Wastewater force main" means a pressurized pipe that
				  connects the discharge from a wastewater lift station to a gravity sanitary
				  sewer.
Added to NAC by Bd. of
				  Health, eff. 2-20-97
NRS
					 445A.860
Nevada Administrative Code › Chapter 445A - Water Controls › PUBLIC WATER SYSTEMS › Design, Construction, Operation and Maintenance › Section 445A.6657 - "Wastewater lift station" defined

Current through June 11, 2024
"Wastewater lift station" means a pumping station that raises
				  wastewater from a gravity sanitary sewer to a higher elevation.
Added to NAC by Bd. of
				  Health, eff. 2-20-97
NRS
					 445A.860
Nevada Administrative Code › Chapter 445A - Water Controls › PUBLIC WATER SYSTEMS › Design, Construction, Operation and Maintenance › Section 445A.66575 - "Water hammer" defined

Current through June 11, 2024
"Water hammer" means a potentially damaging slam, bang or
				  shudder that occurs in a pipe when a sudden change in water velocity, usually
				  caused by the rapid starting or stopping of a pump or opening or closing of a
				  valve, creates a great increase in the pressure of water.
Added to NAC by Bd. of
				  Health, eff. 2-20-97
NRS
					 445A.860
Nevada Administrative Code › Chapter 445A - Water Controls › PUBLIC WATER SYSTEMS › Design, Construction, Operation and Maintenance › Section 445A.6658 - "Water main" defined

Current through June 11, 2024
"Water main" means:
1. A pipe or conduit within a distribution
				system which is used or intended for the conveyance of water to more than one
				service connection; or
2. A
				dedicated pipeline for the conveyance of water from its source or a pumping
				station to a treatment facility, storage structure or distribution
				system.
Added to NAC by Bd. of
				  Health, eff. 2-20-97
NRS
					 445A.860
Nevada Administrative Code › Chapter 445A - Water Controls › PUBLIC WATER SYSTEMS › Design, Construction, Operation and Maintenance › Section 445A.66585 - "Water project" defined

Current through June 11, 2024
"Water project" means the initial construction, or any
				  renovation, modification or expansion, of:
1. Each portion of a public water system that
				begins operation after February 20, 1997; or
2. Each portion of a public water system that
				began operation on or before February 20, 1997, if the portion of the public
				water system is involved in:
(a) The
				collection, pumping, treatment, storage or distribution of water; or
(b) The boosting, sustaining or reducing of
				water pressure,
except any construction, renovation, modification or
				  expansion approved by the Division of Public and Behavioral Health, the
				  appropriate district board of health or other appropriate governmental entity
				  before February 20, 1997.
Nevada Administrative Code › Chapter 445A - Water Controls › PUBLIC WATER SYSTEMS › Design, Construction, Operation and Maintenance › Section 445A.6659 - "Water service lateral" defined

Current through June 11, 2024
"Water service lateral" means a pipe that conveys water from
				  a water main to the point of use of the water.
Added to NAC by Bd. of
				  Health, eff. 2-20-97
NRS
					 445A.860
Nevada Administrative Code › Chapter 445A - Water Controls › PUBLIC WATER SYSTEMS › Design, Construction, Operation and Maintenance › Section 445A.66595 - "Water well" defined

Current through June 11, 2024
"Water well" means an encased excavation made by any drilling
				  method for the development of groundwater from its source.
Added to NAC by Bd. of
				  Health, eff. 2-20-97
NRS
					 445A.860
Nevada Administrative Code › Chapter 445A - Water Controls › PUBLIC WATER SYSTEMS › Design, Construction, Operation and Maintenance › Section 445A.66605 - "Well yield" defined

Current through June 11, 2024
"Well yield" means the maximum amount of water, as expressed
				  in gallons per minute or cubic feet per second, that can be pumped from a well
				  on a sustained basis without lowering the level of the water below the intake
				  of the pump.
Added to NAC by Bd. of
				  Health, eff. 2-20-97
NRS
					 445A.860
Nevada Administrative Code › Chapter 445A - Water Controls › PUBLIC WATER SYSTEMS › Design, Construction, Operation and Maintenance › Section 445A.6661 - "Zone of pressure" defined

Current through June 11, 2024
"Zone of pressure" means an area within a distribution system
				  where the pressure in the water mains is maintained within certain specified
				  limits.
Added to NAC by Bd. of
				  Health, eff. 2-20-97
NRS
					 445A.860
Nevada Administrative Code › Chapter 445A - Water Controls › PUBLIC WATER SYSTEMS › Design, Construction, Operation and Maintenance › Section 445A.66615 - Purposes of provisions

Current through June 11, 2024
The purposes of NAC
				  445A.65505 to
				  445A.6731, inclusive, and
				  sections 2, 3 and 4 of this regulation, are to:
1. Provide the public with reasonable
				assurance that its water is satisfactory for consumption and for ablutionary
				and culinary purposes;
2. Protect
				the public health and welfare by ensuring that water is developed, treated,
				stored and distributed in a safe manner;
3. Ensure a reliable supply of
				water;
4. Prevent the potential
				pollution or contamination of a public water system as a result of backpressure
				or backsiphonage;
5. Provide for
				the use of components in a public water system that are designed and
				constructed in accordance with accepted engineering principles, standards and
				practices; and
6. Protect the
				public investment in its infrastructure for the provision of water by public
				utilities.
Added to NAC by Bd. of
				  Health, eff. 2-20-97; A by R118-99, 2-10-2000; A by Environmental Comm'n by
				  R194-08, 10-27-2009; A by
				  R049-18A,
				  eff. 8/21/2018
NRS
				  445A.860
Nevada Administrative Code › Chapter 445A - Water Controls › PUBLIC WATER SYSTEMS › Design, Construction, Operation and Maintenance › Section 445A.6662 - Applicability of provisions

Current through June 11, 2024
1. Except as
				otherwise provided in subsection 2, the provisions of NAC
				445A.65505 to
				445A.6731, inclusive, and
				sections 2, 3 and 4 of this regulation apply to every public water system in
				this State.
2. Except for water
				projects performed after February 20, 1997, NAC
				445A.65505 to
				445A.6731, inclusive, and
				sections 2, 3 and 4 of this regulation do not apply to a public water system
				which the Division or the appropriate district board of health determines,
				based on a sanitary survey and past performance, to be safe and not subject to
				pollution or contamination as a result of the location, protection,
				construction, operation or maintenance of that public water system.
Added to NAC by Bd. of
				  Health, eff. 2-20-97; A by Environmental Comm'n by R194-08, 10-27-2009; A by
				  R049-18A,
				  eff. 8/21/2018
NRS
				  445A.860
Nevada Administrative Code › Chapter 445A - Water Controls › PUBLIC WATER SYSTEMS › Design, Construction, Operation and Maintenance › Section 445A.66625 - Severability of provisions

Current through June 11, 2024
If any of the provisions of NAC
				  445A.65505 to
				  445A.6731, inclusive, and
				  sections 2, 3 and 4 of this regulation, or any application of those provisions
				  to any person, thing or circumstance is declared invalid, it is intended that
				  such invalidity not affect the remaining provisions or applications to the
				  extent that they can be given effect.
Added to NAC by Bd. of
				  Health, eff. 2-20-97; A by Environmental Comm'n by R194-08, 10-27-2009; A by
				  R049-18A,
				  eff. 8/21/2018
NRS
				  445A.860
Nevada Administrative Code › Chapter 445A - Water Controls › PUBLIC WATER SYSTEMS › Design, Construction, Operation and Maintenance › Section 445A.66633 - Adoption of manual by reference

Current through June 11, 2024
Water Fluoridation: A Manual for Engineers and
				  Technicians
, 1986 edition, as published by the Centers for Disease
				  Control and Prevention of the United States Department of Health and Human
				  Services, is hereby adopted by reference. This publication is available, free
				  of charge, by mail from the Centers for Disease Control and Prevention,
				  Division of Oral Health, Program Services Branch, 4770 Buford Highway, Mail
				  Stop F10, Atlanta, Georgia 30341, or by telephone at (770) 488-6056.
Added to NAC by Bd. of
				  Health by R118-99, eff. 2-10-2000
NRS
					 445A.860
Nevada Administrative Code › Chapter 445A - Water Controls › PUBLIC WATER SYSTEMS › Design, Construction, Operation and Maintenance › Section 445A.66635 - Payment of prescribed fees required

Current through June 11, 2024
The Division shall not issue or renew any permit to operate a
				  public water system or, except as otherwise provided in subsection 2 of NAC
				  445A.6669, review plans for or
				  any engineering report related to the construction, renovation, modification or
				  expansion of such a system until the fees prescribed in section 1 have been
				  paid.
Added to NAC by Bd. of
				  Health, eff. 1-19-84; A 9-13-91; 2-20-97; R194-03, 1-22-2004; A by
				  Environmental Comm'n by R194-08, 10-27-2009; A by
				  R155-22A,
				  eff. 12/29/2022
NRS 445A.860
Nevada Administrative Code › Chapter 445A - Water Controls › PUBLIC WATER SYSTEMS › Design, Construction, Operation and Maintenance › Section 445A.6664 - Prescribed fees (Repealed)

Current through June 11, 2024
Added to NAC by Bd. of
				  Health, eff. 1-19-84; A 8-31-89; 12-24-90; 9-13-91; 2-20-97; R194-03,
				  1-22-2004; A by Environmental Comm'n by R194-08, 10-27-2009; R by
				  R155-22A,
				  eff. 12/29/2022
NRS 445A.860
Nevada Administrative Code › Chapter 445A - Water Controls › PUBLIC WATER SYSTEMS › Design, Construction, Operation and Maintenance › Section 445A.66645 - Administrative review of action taken by Division or appropriate district board of health

Current through June 11, 2024
1. A person who has
				reason to believe that an action taken by the Division or the appropriate
				district board of health, pursuant to NAC 445A.65505 to 445A.6731, inclusive,
				is incorrect or based on inadequate knowledge may obtain an administrative
				review of the matter only as provided in this section.
2. The aggrieved person may, not later than
				10 working days after receiving notice of the action, request an informal
				discussion with the employee responsible for the action and the immediate
				supervisor of the employee.
3. If
				the informal discussion does not resolve the problem, the aggrieved person may,
				not later than 10 working days after the date scheduled for the informal
				discussion, request an informal conference by submitting a letter to the Bureau
				of Safe Drinking Water of the Division requesting the conference. The informal
				conference must be held within 60 days after the Bureau receives the letter at
				a place, date and time mutually agreed upon by the aggrieved person, the
				appropriate district board of health and the Bureau. Except as otherwise
				provided in subsections 4 and 5, the informal conference is the final
				administrative hearing on the matter.
4. If the informal conference does not
				resolve the problem and the action taken by the Division or the appropriate
				district board of health consisted of:
(a) The
				denial of an application for a permit;
(b) The suspension or revocation of a permit;
				or
(c) The modification of or
				refusal to modify a permit,
the aggrieved person may request a hearing pursuant to NRS
				  NRS
				  445A.610. The request must be submitted in
				  writing to the Commission not more than 10 days after the date on which the
				  person received notice of the determination by the Division or the appropriate
				  district board of health.
Nevada Administrative Code › Chapter 445A - Water Controls › PUBLIC WATER SYSTEMS › Design, Construction, Operation and Maintenance › Section 445A.6665 - Special exceptions to provisions

Current through June 11, 2024
The Division, or the appropriate district board of health
				  with the concurrence of the Division, may grant a supplier of water a special
				  exception from any of the provisions of NAC 445A.65505 to 445A.6731, inclusive,
				  if the special exception:
1. Is
				justified by an engineer;
2.
				Involves an advance in technology, improvement in materials, or alternative
				method of construction or operation that will not be detrimental to the public
				health; and
3. Will not conflict
				with the provisions of NAC 445A.66615.
Added to NAC by Bd. of
				  Health, eff. 2-20-97; A by Environmental Comm'n by R194-08,
				  10-27-2009
NRS
					 445A.860,
					 445A.935
Nevada Administrative Code › Chapter 445A - Water Controls › PUBLIC WATER SYSTEMS › Design, Construction, Operation and Maintenance › Section 445A.66655 - Responsibilities of supplier of water and customer

Current through June 11, 2024
1. A
				supplier of water and, where applicable, each customer of a public water system
				shall comply with the provisions of NAC 445A.65505 to 445A.6731,
				inclusive.
2. A supplier of water:
(a) Is responsible for the quality and
				quantity of water delivered to its customers and shall provide a safe and
				reliable supply of water to all of the customers in its area of
				service.
(b) Shall not provide any
				customer with a service connection to the public water system unless the public
				water system is in compliance with the applicable provisions of NAC 445A.65505
				to 445A.6731, inclusive, both before and after the service connection is
				provided.
Nevada Administrative Code › Chapter 445A - Water Controls › PUBLIC WATER SYSTEMS › Design, Construction, Operation and Maintenance › Section 445A.6666 - Prerequisites to approval of tentative and final map for proposed subdivision

Current through June 11, 2024
If a subdivision is proposed to be located in the area of
				  service of a public water system, the Division or the appropriate district
				  board of health shall not approve:
1.
				A tentative map for the proposed subdivision unless the Division or the
				appropriate district board of health receives an acknowledgment of water
				service for the proposed subdivision.
2. A final map for the proposed subdivision
				unless:
(a) The Division or the appropriate
				district board of health receives:
(1) A
				commitment for water service for the proposed subdivision; and
(2) If the public water system is an existing
				public water system, a copy of the plan prepared pursuant to subsection 3 of
				NAC 445A.66725.
Nevada Administrative Code › Chapter 445A - Water Controls › PUBLIC WATER SYSTEMS › Design, Construction, Operation and Maintenance › Section 445A.66665 - Plan for restoration of services in emergency

Current through June 11, 2024
A supplier of water shall:
1. Develop an organized plan of predetermined
				activities for the public water system to restore its services in the
				contingency that an emergency, including any failure of power, mechanical or
				electrical failure or natural disaster, reduces the capability of the public
				water system to supply the water demanded by its customers within its area of
				service. The plan must include any actions necessary for responding to any
				breaks in a water main of the public water system.
2. Submit a copy of the plan to the Division
				or the appropriate district board of health not later than 18 months after the
				public water system begins operation.
Added to NAC by Bd. of
				  Health, eff. 2-20-97; A by Environmental Comm'n by R194-08,
				  10-27-2009
NRS
					 445A.860
Nevada Administrative Code › Chapter 445A - Water Controls › PUBLIC WATER SYSTEMS › Design, Construction, Operation and Maintenance › Section 445A.6667 - Manual of operations and maintenance

Current through June 11, 2024
A supplier of water shall prepare a manual of operations and
				  maintenance regarding all of the facilities of the public water system and
				  submit the manual to the Division or the appropriate district board of health
				  for review and approval. The manual must:
1. Describe normal procedures for the
				operation and maintenance of each facility of the public water system and
				procedures for use in emergencies.
2. Include any plans required pursuant to NAC
				445A.535 or subsection 9 of NAC 445A.66795.
3. Be maintained at each facility of the
				public water system at all times for use by the operators and other personnel
				of the facility.
Added to NAC by Bd. of
				  Health, eff. 2-20-97; A by Environmental Comm'n by R194-08,
				  10-27-2009
NRS
					 445A.860
Nevada Administrative Code › Chapter 445A - Water Controls › PUBLIC WATER SYSTEMS › Design, Construction, Operation and Maintenance › Section 445A.66675 - System for control of corrosion

Current through June 11, 2024
A supplier of water shall, where warranted by the presence of
				  lead or copper in the public water system, install and operate a system for the
				  control of corrosion that:
1.
				Minimizes the concentrations of lead and copper at the taps of persons who use
				the public water system; and
2.
				Does not cause the public water system to violate any of the provisions of NAC
				445A.453.
Added to NAC by Bd. of
				  Health, eff. 2-20-97
NRS
					 445A.860
Nevada Administrative Code › Chapter 445A - Water Controls › PUBLIC WATER SYSTEMS › Design, Construction, Operation and Maintenance › Section 445A.6668 - Program for assessment of sources of groundwater for vulnerability to contamination

Current through June 11, 2024
A supplier of water may elect to participate in the program
				  of the Division for the assessment of sources of groundwater for vulnerability
				  to contamination. Pursuant to that program, the Division may evaluate a source
				  of water used by a public water system and, based upon its determination of the
				  susceptibility of the source to contamination, authorize a reduction in the
				  required frequency for monitoring the water quality of the source for the
				  presence of certain contaminants. The Division shall base such a determination
				  upon:
1. Any previous results from the
				monitoring of water quality.
2. The
				proximity of a source of groundwater to potential sources of
				contamination.
3. The environmental
				persistence and potential mobility of any identified contamination.
4. Any policies and procedures that could be
				carried out to control potential sources of contamination.
5. The potential effects in the worst
				possible case of a release from a potential source of contamination.
6. The physical features and conditions in
				place to protect the source of groundwater from potential sources of
				contamination, including the design and construction of the well, the type of
				soil and the hydrogeological environment.
Added to NAC by Bd. of
				  Health, eff. 2-20-97; A by Environmental Comm'n by R194-08,
				  10-27-2009
NRS
					 445A.860
Nevada Administrative Code › Chapter 445A - Water Controls › PUBLIC WATER SYSTEMS › Design, Construction, Operation and Maintenance › Section 445A.66685 - Standards for design and construction of system

Current through June 11, 2024
1.
				Except as otherwise provided in subsection 2, the design and construction of a
				public water system must comply with the provisions of:
(a) NAC
				445A.65505 to
				445A.6731, inclusive.
(b) The
American Water Works
				Association Standards
, as adopted by reference in NAC
				445A.6663.
(c) Standards 14, 42, 44, 53, 55, 58, 60, 61
				and 372 of the American National Standards Institute and NSF International, as
				adopted by reference in NAC
				445A.6663.
(d)
Manual of Water Supply Practices
				M14 Backflow Prevention and Cross-Connection Control; Recommended
				Practices,
as adopted by reference in NAC
				445A.6663.
(e)
Recommended Standards for Water
				Works
, as adopted by reference in NAC
				445A.6663.
(f) For public water systems in Carson City,
				Fallon, Reno, Sparks, Yerington, Douglas County, Lander County, Lyon County,
				Nye County or Washoe County,
Standard Specifications for Public Works
				Construction
, also known as the "Orange Book," as adopted by reference
				in NAC 445A.6663.
(g) For public water systems in Boulder City,
				Henderson, North Las Vegas, the Big Bend Water District or the Las Vegas Valley
				Water District,
Uniform Design and Construction Standards for Potable
				Water Systems
, as adopted by reference in NAC
				445A.6663.
(h)
The Uniform Plumbing
				Code
, as adopted by reference in NAC
				445A.6663.
(i) Standard
				9.6.6 of the American National
				Standards Institute and Hydraulic Institute, as adopted by reference in NAC
				445A.6663.
(j) Any other engineering standards approved
				by the Division.
Nevada Administrative Code › Chapter 445A - Water Controls › PUBLIC WATER SYSTEMS › Design, Construction, Operation and Maintenance › Section 445A.6669 - Prerequisites to commencement of water project; waiver of prerequisites; exceptions

Current through June 11, 2024
1. Except as
				otherwise provided in this section, a supplier of water shall, before
				commencing a water project:
(a) Submit to the
				Division or the appropriate district board of health, with the appropriate
				fees, an application for approval of the water project that complies with the
				requirements of NAC 445A.66695;
(b)
				Submit any monitoring results, reports or documentation required by NAC
				445A.5195 for monitoring the quality of the source water and NAC 445A.526 for
				disinfection profiling and benchmarking; and
(c) Obtain a review and the written approval
				of the Division or the appropriate district board of health for the water
				project.
Nevada Administrative Code › Chapter 445A - Water Controls › PUBLIC WATER SYSTEMS › Design, Construction, Operation and Maintenance › Section 445A.66695 - Application for approval of water project

Current through June 11, 2024
An application for approval of a water project must
				  contain:
1. Complete plans for the
				water project, including the details of any improvements to be made and all
				work to be performed on-site.
2.
				Complete specifications to supplement the plans for the water
				project.
3. A design report that:
(a) Describes the water project and basis for
				design of the water project;
(b)
				Provides the criteria for design, data and other pertinent information defining
				the water project; and
(c)
				Establishes the adequacy of the proposed water project to meet the needs of the
				public water system.
Nevada Administrative Code › Chapter 445A - Water Controls › PUBLIC WATER SYSTEMS › Design, Construction, Operation and Maintenance › Section 445A.66705 - Preparation of plans, specifications and design reports for water project: Duties of engineer

Current through June 11, 2024
In accordance with the provisions of NAC
				  625.610 to
				  625.613, inclusive:
1. All initial and final plans,
				specifications and design reports for a water project must be prepared by, or
				under the direct supervision of, an engineer; and
2. The engineer shall add his or her
				signature, the applicable date and his or her seal or stamp to the plans,
				specifications and design reports prepared pursuant to subsection 1.
Added to NAC by Bd. of
				  Health, eff. 2-20-97; A by
				  R050-20A,
				  eff. 8/26/2020
NRS
				  445A.860
Nevada Administrative Code › Chapter 445A - Water Controls › PUBLIC WATER SYSTEMS › Design, Construction, Operation and Maintenance › Section 445A.6671 - Approval of water project: Prerequisites; effective period; revocation

Current through June 11, 2024
1. The Division or the appropriate district
				board of health shall not approve a water project unless the application for
				approval of the water project demonstrates that the water project will comply
				with the applicable provisions of NAC
				445A.65505 to
				445A.6731, inclusive, and
				sections 2, 3 and 4 of this regulation.
2. Work on a water project must commence not
				later than 1 year after the water project is approved. The water project must
				be completed not later than 1 year after the date that work on the water
				project has commenced, except that the Division or the appropriate district
				board of health may extend this period in 1-year increments if:
(a) Work is being performed on the water
				project; and
(b) The Division or
				the appropriate district board of health receives a schedule of work and
				periodic updates on the progress of the water project.
Nevada Administrative Code › Chapter 445A - Water Controls › PUBLIC WATER SYSTEMS › Design, Construction, Operation and Maintenance › Section 445A.66715 - Performance and inspection of work on water project; certification of substantial compliance with approved plans and specifications

Current through June 11, 2024
1. Work on a water project must be:
(a) Performed in substantial compliance with
				the plans and specifications approved for the water project by the Division or
				the appropriate district board of health. Approval of the Division or the
				appropriate district board of health is required before carrying out any
				proposed changes in materials, equipment, quantities, configurations or
				processes, and before any additions or deletions of infrastructure, which would
				affect the quality or quantity of water.
(b) Inspected by qualified representatives of
				the supplier of water.
Nevada Administrative Code › Chapter 445A - Water Controls › PUBLIC WATER SYSTEMS › Design, Construction, Operation and Maintenance › Section 445A.6672 - Existing systems: Minimum capacities; minimum pressure and velocity of water; total capacity of groundwater system; timely completion of water projects

Current through June 11, 2024
A supplier of water for an existing public water system
				  shall:
1. Ensure that the public water
				system maintains a sufficient capacity for the development and treatment of
				water, and a storage capacity of sufficient quantity, to satisfy the
				requirements of all users of the public water system under the conditions of
				maximum day demand and peak hour demand.
2. Ensure that the residual pressure in the
				distribution system is:
(a) At least 20 psi
				during conditions of fire flow and fire demand experienced during maximum day
				demand;
(b) At least 30 psi during
				peak hour demand; and
(c) At least
				40 psi during maximum day demand.
Unless otherwise justified by an engineer and approved by
				  the Division or the appropriate district board of health, high head losses must
				  be avoided by maintaining normal water velocities at approximately 8 feet per
				  second during all conditions of flow other than fire flow.
Nevada Administrative Code › Chapter 445A - Water Controls › PUBLIC WATER SYSTEMS › Design, Construction, Operation and Maintenance › Section 445A.66725 - Existing systems: Determination of total capacity preparation, maintenance and dissemination of certain information, analyses, plans and reports

Current through June 11, 2024
A supplier of water for an existing public water system
				  shall:
1. Determine the total capacity
				of the public water system through engineering analyses that use historical
				data or other guidelines or parameters accepted by the engineering profession
				and, upon request, submit documentation of that capacity to the Division or the
				appropriate district board of health. When analyzing the total capacity of the
				public water system with regard to requirements for maximum day demand, only
				the alternative pumping capacity and the storage capacity of the public water
				system may be considered as sources of supply.
2. When assessing the total capacity of the
				public water system and the need for water projects to meet future commitments,
				use a network hydraulic analysis of the public water system. The analysis must
				be prepared by an engineer.
3.
				Prepare a plan for the timely completion of any water projects required to meet
				the anticipated needs of developers of property within the area of service of
				the public water system and, upon request, provide a copy of the plan to the
				Division or the appropriate district board of health.
4. Maintain:
(a) A current list of the users of the public
				water system.
(b) A copy of each
				pending acknowledgment of water service it has issued.
Nevada Administrative Code › Chapter 445A - Water Controls › PUBLIC WATER SYSTEMS › Design, Construction, Operation and Maintenance › Section 445A.6673 - Existing systems: Evaluation, justification and design of proposed water project

Current through June 11, 2024
If an existing public water system proposes to perform a
				  water project after February 20, 1997, the proposed water project must
				  be:
1. Evaluated and justified by an
				engineer through technical means; and
2. Designed on the basis of historical data
				or other representative data that complies with accepted engineering judgment
				and practice, in such a manner that the proposed water project will enable the
				public water system to meet average day demand, maximum day demand, peak hour
				demand and requirements for fire flow and fire demand.
Added to NAC by Bd. of
				  Health, eff. 2-20-97
NRS
					 445A.860
Nevada Administrative Code › Chapter 445A - Water Controls › PUBLIC WATER SYSTEMS › Design, Construction, Operation and Maintenance › Section 445A.66735 - New systems: Capacity for development and treatment of water

Current through June 11, 2024
1. A supplier of water for a new public water
				system shall ensure that, except as otherwise justified by an engineer and
				approved by the Division or the appropriate district board of health pursuant
				to subsection 2, the public water system's capacity for the development and
				treatment of water, whether surface water or groundwater, or both, is
				sufficient to provide, when the demand for water in the area of service of the
				system is:
(a) Not more than 100 residential
				equivalents, at least 2 gallons per minute per residential equivalent for
				metered systems and 2.5 gallons per minute per residential equivalent for
				unmetered systems.
(b) More than
				100 but not more than 250 residential equivalents, at least 1.5 gallons per
				minute per residential equivalent for metered systems and 2 gallons per minute
				per residential equivalent for unmetered systems.
(c) More than 250 but not more than 500
				residential equivalents, at least 1.2 gallons per minute per residential
				equivalent for metered systems and 1.7 gallons per minute per residential
				equivalent for unmetered systems.
(d) More than 500 residential equivalents, at
				least 1 gallon per minute per residential equivalent for metered systems and
				1.5 gallons per minute per residential equivalent for unmetered
				systems.
Nevada Administrative Code › Chapter 445A - Water Controls › PUBLIC WATER SYSTEMS › Design, Construction, Operation and Maintenance › Section 445A.6674 - Storage capacity

Current through June 11, 2024
Except as otherwise provided in NAC 445A.66755:
1. A supplier of water shall ensure that:
(a) An existing public water system maintains
				a storage capacity that, as determined by an engineer on the basis of
				historical data, accepted engineering judgment and a network hydraulic
				analysis, is sufficient to ensure that the total capacity of the public water
				system will meet current and anticipated demands for water while maintaining
				the pressures indicated in NAC 445A.6711.
(b) A new public water system maintains a
				storage capacity that is sufficient to provide the amount of water required for
				sufficient operating storage, emergency reserve and fire demand.
Nevada Administrative Code › Chapter 445A - Water Controls › PUBLIC WATER SYSTEMS › Design, Construction, Operation and Maintenance › Section 445A.66745 - Operating storage

Current through June 11, 2024
Except as otherwise provided in NAC 445A.66755:
1. An existing public water system must
				maintain an operating storage in such an amount as an engineer determines,
				based upon historical data and the system's capacity for the development and
				treatment of water, to be sufficient for the system to meet requirements for
				maximum day demand.
2. A new public
				water system must, except as otherwise justified by an engineer and approved by
				the Division or the appropriate district board of health, maintain an operating
				storage equal to 700 gallons for each residential equivalent in the area of
				service of a metered system and 1,225 gallons for each residential equivalent
				in the area of service of an unmetered system.
Added to NAC by Bd. of
				  Health, eff. 2-20-97; A by Environmental Comm'n by R194-08,
				  10-27-2009
NRS
					 445A.860
Nevada Administrative Code › Chapter 445A - Water Controls › PUBLIC WATER SYSTEMS › Design, Construction, Operation and Maintenance › Section 445A.6675 - Emergency reserve

Current through June 11, 2024
Except as otherwise provided in NAC 445A.66755:
1. An existing public water system must
				maintain an emergency reserve in such an amount as an engineer determines
				appropriate on the basis of the best available local information.
2. A new public water system must maintain an
				emergency reserve equal to 75 percent of the amount of operating storage of the
				system.
Added to NAC by Bd. of
				  Health, eff. 2-20-97
NRS
					 445A.860
Nevada Administrative Code › Chapter 445A - Water Controls › PUBLIC WATER SYSTEMS › Design, Construction, Operation and Maintenance › Section 445A.66755 - Existing systems: Exemption from storage requirements

Current through June 11, 2024
An existing public water system is not required to comply
				  with the requirements of NAC 445A.6674, 445A.66745 and 445A.6675 if the system
				  has a sufficient alternative pumping capacity to meet requirements for maximum
				  day demand, peak hour demand and fire flow.
Added to NAC by Bd. of
				  Health, eff. 2-20-97
NRS
					 445A.860
Nevada Administrative Code › Chapter 445A - Water Controls › PUBLIC WATER SYSTEMS › Design, Construction, Operation and Maintenance › Section 445A.6676 - Development and treatment of sources of water: General requirements

Current through June 11, 2024
1. The development or treatment of a source
				of water for a public water system must comply with the applicable provisions
				of:
(a) NAC 445A.66765 to 445A.6696,
				inclusive; and
(b) NAC 445A.495 to
				445A.5405, inclusive.
Nevada Administrative Code › Chapter 445A - Water Controls › PUBLIC WATER SYSTEMS › Design, Construction, Operation and Maintenance › Section 445A.66765 - Treatment facilities: General requirements; use of point-of-entry or point-of-use treatment devices; prerequisites to selection of design

Current through June 11, 2024
1. Treatment facilities must be capable of
				producing water that complies with the requirements of NAC 445A.450 to
				445A.492, inclusive. If a treatment facility is designed to meet primary
				standards, the facility must use the best available technology to attain that
				purpose. If a supplier of water proposes to meet secondary standards by using
				point-of-entry treatment devices or point-of-use treatment devices, or both,
				the proposal must be reviewed and approved by the Division or the appropriate
				district board of health before it is carried out.
2. Before a supplier of water selects a
				design for a treatment facility, it shall cause an engineer to conduct an
				investigation to determine the physical, chemical, microbiological and
				radiological characteristics of the raw water to be treated. The investigation
				must include:
(a) A determination of any
				seasonal variations in the quality of the raw water; and
(b) A sanitary survey of the relevant
				portions of the public water system in this State, to identify potential
				sources of contamination that could affect the quality of the water at its
				source, at any impoundments of the water and at any facilities for the delivery
				of the water.
Nevada Administrative Code › Chapter 445A - Water Controls › PUBLIC WATER SYSTEMS › Design, Construction, Operation and Maintenance › Section 445A.6677 - Treatment facilities: Prerequisites to use

Current through June 11, 2024
1. A
				supplier of water shall, before using a treatment facility:
(a) Submit to the Division or the appropriate
				district board of health the information regarding the design of the facility
				set forth in subsection 2; and
(b)
				Obtain a review and the written approval of the design of the facility from the
				Division or the appropriate district board of health.
Nevada Administrative Code › Chapter 445A - Water Controls › PUBLIC WATER SYSTEMS › Design, Construction, Operation and Maintenance › Section 445A.66775 - Treatment facilities: Selection of site

Current through June 11, 2024
A supplier of water shall:
1. Before plans and specifications are
				prepared for a treatment facility, consult with the Division or the appropriate
				district board of health regarding the selection of a site for the facility;
				and
2. When selecting such a site,
				consider the applicable topography and conditions of the soil and any potential
				hazards from earthquake, fire, flood and other causes.
Added to NAC by Bd. of
				  Health, eff. 2-20-97; A by Environmental Comm'n by R194-08,
				  10-27-2009
NRS
					 445A.860
Nevada Administrative Code › Chapter 445A - Water Controls › PUBLIC WATER SYSTEMS › Design, Construction, Operation and Maintenance › Section 445A.6678 - Treatment facilities: Determination of necessary amount of redundancy

Current through June 11, 2024
A supplier of water shall, before a treatment facility is
				  designed, consult with the Division or the appropriate district board of health
				  regarding the amount of redundancy the Division or the appropriate district
				  board of health will determine is necessary for the facility. The Division or
				  the appropriate district board of health shall base that determination upon the
				  number of connections to be served, the availability of other sources of water
				  acceptable to the Division or the appropriate district board of health and the
				  capability of the public water system to control the use of water.
Added to NAC by Bd. of
				  Health, eff. 2-20-97; A by Environmental Comm'n by R194-08,
				  10-27-2009
NRS
					 445A.860
Nevada Administrative Code › Chapter 445A - Water Controls › PUBLIC WATER SYSTEMS › Design, Construction, Operation and Maintenance › Section 445A.66785 - Treatment facilities: Design and construction

Current through June 11, 2024
A treatment facility must:
1. Be designed in such a manner as to ensure:
(a) The reliable operation of the facility;
				and
(b) That the public water
				system can meet its current demands for water.
Nevada Administrative Code › Chapter 445A - Water Controls › PUBLIC WATER SYSTEMS › Design, Construction, Operation and Maintenance › Section 445A.6679 - Treatment facilities: Designation of piping and valves; schematic diagram for control of processes

Current through June 11, 2024
1. In a treatment
				facility:
(a) The piping must designate, by
				color coding and other means, the liquid contained in the piping and the
				direction of flow of the liquid.
(b) The valves must be designated by
				tags.
Nevada Administrative Code › Chapter 445A - Water Controls › PUBLIC WATER SYSTEMS › Design, Construction, Operation and Maintenance › Section 445A.66795 - Treatment facilities: Submission of information regarding application of chemicals

Current through June 11, 2024
If the design of a treatment facility includes the
				  application of chemicals, a supplier of water shall submit to the Division or
				  the appropriate district board of health with the information required pursuant
				  to NAC 445A.6677:
1. Descriptions of
				the equipment for feeding the chemicals, including the minimum and maximum
				rates of feeding.
2. A description
				of the location of the feeders, layout of piping and points of
				application.
3. A description of
				the facilities for the storage and handling of the chemicals.
4. Specifications for the chemicals to be
				used.
5. A description of the
				procedures for operation and control, including proposed rates of
				application.
6. Descriptions of the
				testing equipment and monitoring procedures to be used.
7. The results of any chemical, physical or
				biological tests, and any other tests, performed to determine the optimum
				chemical treatment.
8. A
				description of the assemblies for the prevention of backflow proposed to be
				used for protection against cross-connections.
9. A plan for the safety of persons operating
				the facility which conforms to any applicable state or federal requirements for
				occupational safety and health.
Added to NAC by Bd. of
				  Health, eff. 2-20-97; A by Environmental Comm'n by R194-08,
				  10-27-2009
NRS
					 445A.860
Nevada Administrative Code › Chapter 445A - Water Controls › PUBLIC WATER SYSTEMS › Design, Construction, Operation and Maintenance › Section 445A.66805 - Treatment facilities: Quality of chemicals; labeling of containers for shipping chemicals; storage of chemicals

Current through June 11, 2024
In a treatment facility:
1. Each chemical used for the treatment of
				water must be determined to be compatible with drinking water.
2. Containers for the shipping of chemicals
				must be labeled in such a manner as to include:
(a) The name, purity, concentration and date
				of manufacture of each chemical.
(b) The name and address of the supplier of
				the chemical.
(c) Any other
				information required by any applicable state or federal statutes or regulations
				for occupational safety and health.
Nevada Administrative Code › Chapter 445A - Water Controls › PUBLIC WATER SYSTEMS › Design, Construction, Operation and Maintenance › Section 445A.6681 - Treatment facilities: Safety and efficiency

Current through June 11, 2024
A treatment facility must be designed and constructed in such
				  a manner as to:
1. Function safely and
				efficiently.
2. Comply with any
				requirements imposed by:
(a) The federal
				Occupational Safety and Health Administration.
(b) The Division of Industrial Relations of
				the Department of Business and Industry.
(c) The fire authority.
Nevada Administrative Code › Chapter 445A - Water Controls › PUBLIC WATER SYSTEMS › Design, Construction, Operation and Maintenance › Section 445A.66815 - Treatment facilities: Disposal of waste

Current through June 11, 2024
1. A supplier
				of water shall provide for the proper disposal of waste from a treatment
				facility, including sanitary waste, sludge, waste from any laboratory, waste
				from drainage within the facility and waste resulting from
				backwashing.
2. The discharge of
				any waste from a treatment facility must comply with any requirements imposed
				by the Division of Environmental Protection.
3. A supplier of water shall locate
				facilities for the disposal of waste from a treatment facility in such a manner
				as to avoid any potential contamination of the environment, including any
				supply of water.
4. The drains of a
				treatment facility must be equipped with primable traps.
5. Any system for the discharge of waste from
				a treatment facility to a sewer line must include an air gap.
Added to NAC by Bd. of
				  Health, eff. 2-20-97
NRS
					 445A.860
Nevada Administrative Code › Chapter 445A - Water Controls › PUBLIC WATER SYSTEMS › Design, Construction, Operation and Maintenance › Section 445A.6682 - Fluoridation

Current through June 11, 2024
1. On or before March 1, 2000, all water
				delivered for human consumption in a county whose population is 400,000 or more
				by a:
(a) Public water system that serves a
				population of 100,000 or more; or
(b) Water authority,
must be fluoridated.
Nevada Administrative Code › Chapter 445A - Water Controls › PUBLIC WATER SYSTEMS › Design, Construction, Operation and Maintenance › Section 445A.66825 - Disinfection of water: General requirements

Current through June 11, 2024
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:
(a) Does not comply with
				primary standards;
(b) Is obtained
				from a well that is located or constructed in a manner that varies from the
				requirements of NAC 445A.65505 to 445A.6731, inclusive; or
(c) Is distributed through a distribution
				system that is constructed in a manner that varies from the requirements of NAC
				445A.65505 to 445A.6731, inclusive.
Nevada Administrative Code › Chapter 445A - Water Controls › PUBLIC WATER SYSTEMS › Design, Construction, Operation and Maintenance › Section 445A.6683 - Disinfection of water: Chlorination

Current through June 11, 2024
If chlorine is used for the disinfection of water:
1. The disinfection must be accomplished with
				liquefied or gaseous chlorine, calcium hypochlorite or sodium
				hypochlorite.
2. The supplier of
				water shall use chlorinators that:
(a) Feed
				chlorine into solution by gas or feed hypochlorite by positive displacement or
				erosion;
(b) Are determined to be
				compatible with drinking water; and
(c) Are designed in a manner which ensures
				that a chlorine residual of not less than 0.05 mg/l is maintained at all times
				and at all locations in the distribution system.