reglab/statecodes huggingface dataset:
Nevada Administrative Code › Chapter 445A - Water Controls › PUBLIC WATER SYSTEMS › Design, Construction, Operation and Maintenance › Section 445A.65975 - "Fluoridation" defined

Current through June 11, 2024
"Fluoridation" means the process for the treatment of water
				  pursuant to which a chemical is added to the water to increase the
				  concentration of fluoride ions to an optimal level for reducing the incidence
				  of dental caries.
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.6598 - "Foot valve" defined

Current through June 11, 2024
"Foot valve" means a check valve that:
1. Is placed at the bottom of the suction
				pipe of a pump;
2. Opens to allow
				the entry of water into the suction pipe; and
3. Closes to prevent water from passing out
				through the bottom of the suction pipe.
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.65985 - "Gate valve" defined

Current through June 11, 2024
"Gate valve" means a valve in which a disc slides across an
				  opening to stop the flow 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.6599 - "Globe valve" defined

Current through June 11, 2024
"Globe valve" means a valve with a round, ball-like shell and
				  a horizontal disc.
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.65995 - "Gravel pack" defined

Current through June 11, 2024
"Gravel pack" means gravel or other permeable filtering
				  materials placed in the annular space around the casing of a well.
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.66005 - "Gravity sanitary sewer" defined

Current through June 11, 2024
"Gravity sanitary sewer" means a sanitary sewer designed and
				  constructed in such a manner as to allow wastewater to flow exclusively under
				  the influence of gravity.
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.6601 - "Gravity storm sewer" defined

Current through June 11, 2024
"Gravity storm sewer" means a storm sewer designed and
				  constructed in such a manner as to allow drainage to flow exclusively under the
				  influence of gravity.
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.66015 - "Grid system" defined

Current through June 11, 2024
"Grid system" means a layout for a distribution system in
				  which all ends of the water mains are connected to eliminate dead ends.
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.6602 - "Ground-level tank" defined

Current through June 11, 2024
"Ground-level tank" means a storage tank installed in such a
				  manner that the bottom of the tank is at or below the surface of the
				  ground.
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.66025 - "Groundwater" defined

Current through June 11, 2024
"Groundwater" means the subsurface water in the zone of
				  saturation.
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.6603 - "Groundwater under the direct influence of surface water" defined

Current through June 11, 2024
"Groundwater under the direct influence of surface water"
				  means any water beneath the surface of the ground that the Division or the
				  appropriate district board of health has determined to have:
1. A significant occurrence of insects or
				other macroorganisms;
2. Algae or
				large-diameter pathogens such as
Giardia lamblia
or
Cryptosporidium
spp.; or
3. Significant and rapid shifts in water
				characteristics such as turbidity, temperature, conductivity or pH which
				closely parallel climatic or surface water conditions.
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.66035 - "Grouting" defined

Current through June 11, 2024
"Grouting" means the operation by which grout is placed
				  between the casing and sides of a well bore to secure the casing in place and
				  to exclude water and other fluids from the well bore.
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.66045 - "Head loss" defined

Current through June 11, 2024
"Head loss" means the loss of head as a result of
				  friction.
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.6605 - "Header" defined

Current through June 11, 2024
"Header" means a pipe fitting with several branches for the
				  conveyance of water from a larger pipe to several smaller pipes.
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.66055 - "Health authority" defined

Current through June 11, 2024
"Health authority" means the officers and agents of the
				  district board of health of the health district in which the area of service of
				  a public water system is located or, if none, the officers and agents of the
				  Division of Public and Behavioral Health.
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.66065 - "Hydropneumatic system" defined

Current through June 11, 2024
"Hydropneumatic system" means a system pursuant to which an
				  airtight tank, in which air is compressed over water, is used to impart
				  pressure to the water in the tank and to attached pipelines for the
				  distribution 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.6607 - "Impeller" defined

Current through June 11, 2024
"Impeller" means a rotating set of vanes in a pump designed
				  to impart rotation and energy to a mass of fluid.
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.66075 - "Isolation valve" defined

Current through June 11, 2024
"Isolation valve" means a valve, including a ball valve,
				  butterfly valve, gate valve, globe valve or other type of valve, installed in a
				  pipeline to shut off the flow of water in a portion of the pipeline for the
				  purpose of inspection or repair.
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.6608 - "Jetted water well" defined

Current through June 11, 2024
"Jetted water well" means a water well in which the
				  excavation of the drill hole is done primarily by using a high-velocity jet of
				  fluid or gas.
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.66085 - "Lead-free" defined

Current through June 11, 2024
"Lead-free" means, with regard to:
1. Solder and flux, that not more than 0.2
				percent of the composition of the solder or flux is lead.
2. Pipes, fittings and fixtures, that:
(a) Not more than a weighted average of 0.25
				percent of the composition of the wetted surfaces of the pipe, fitting or
				fixture is lead; or
(b) Are
				determined to be compatible with drinking water.
Nevada Administrative Code › Chapter 445A - Water Controls › PUBLIC WATER SYSTEMS › Design, Construction, Operation and Maintenance › Section 445A.6609 - "Lineshaft turbine pump" defined

Current through June 11, 2024
"Lineshaft turbine pump" means a type of vertical turbine in
				  which:
1. A motor is mounted above the
				ground and a pumping device is mounted below the surface of the
				water;
2. A column extends from the
				pumping device to a discharge device mounted above the ground just below the
				motor; and
3. A shaft extends on a
				straight line from the center of the motor to the pumping device.
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.66095 - "Lining" defined

Current through June 11, 2024
"Lining" means a protective covering that is placed over all
				  or part of the perimeter, top or bottom of a reservoir in such a manner as is
				  necessary to prevent losses due to seepage, withstand pressure, resist erosion
				  and control the growth of aquatic plants.
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.66105 - "Manual of operations and maintenance" defined

Current through June 11, 2024
"Manual of operations and maintenance" means an operating
				  guide for the use of personnel who operate and maintain a public water system
				  which is written in such a manner as:
1. Primarily to:
(a) Explain the functional operation of the
				facilities of the system;
(b)
				Describe the capabilities and limitations of the system; and
(c) Suggest procedures to control the
				processes of the system;
Nevada Administrative Code › Chapter 445A - Water Controls › PUBLIC WATER SYSTEMS › Design, Construction, Operation and Maintenance › Section 445A.6611 - "Maximum day demand" defined

Current through June 11, 2024
"Maximum day demand" means the maximum daily demand for water
				  over a yearly period, as determined by historical data.
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.66115 - "Mechanical joint" defined

Current through June 11, 2024
"Mechanical joint" means a pipe joint that uses a combination
				  of bolts, flanges, gaskets, locking rings or tapered glands to ensure secure
				  restraint.
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.6612 - "Mechanical seal" defined

Current through June 11, 2024
"Mechanical seal" means a mechanical device used to control
				  leakage from a 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.66125 - "Mesh" defined

Current through June 11, 2024
"Mesh" means an opening or space in a screen, the size of
				  which is described by the number of openings or spaces per linear inch of the
				  screen.
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.6613 - "Meter box" defined

Current through June 11, 2024
"Meter box" means a pit-like enclosure that protects one or
				  more water meters installed in the ground outside a building and allows access
				  for a person to read the meters.
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.66135 - "Meter stop" defined

Current through June 11, 2024
"Meter stop" means an isolation valve located in a meter box
				  on a water service lateral that is upstream from the water meter.
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.66145 - "Microscopic particulate analysis" defined

Current through June 11, 2024
"Microscopic particulate analysis" means an examination of
				  water to determine the presence and amounts of microscopic plants, animals and
				  other solids, including, without limitation, bacteria, algae, diatoms,
				  protozoa, crustacea and insect parts.
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.6615 - "Neat cement" defined

Current through June 11, 2024
"Neat cement" means a mixture of water and portland cement in
				  a ratio of not less than 5 nor more than 6 gallons of water for each bag of
				  cement.
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.66155 - "Network hydraulic analysis" defined

Current through June 11, 2024
"Network hydraulic analysis" means the engineering process
				  used to determine the pressure and flow for an existing or proposed networked
				  system of water mains and appurtenances.
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.6616 - "New public water system" defined

Current through June 11, 2024
"New public water system" means a public water system other
				  than an existing public water 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.66165 - "Nominal size" defined

Current through June 11, 2024
"Nominal size" means the commercial designation used by
				  manufacturers for the diameter of a casing or pipe.
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.6617 - "Operating storage" defined

Current through June 11, 2024
"Operating storage" means water stored in a tank during
				  periods of small demand for water for the purpose of supplying a particular
				  portion of the area of service of a public water system when the demand for
				  water in the area exceeds the capacity of the pumps that deliver water to the
				  area.
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.66175 - "Overflow rim" defined

Current through June 11, 2024
"Overflow rim" means the unobstructed open edge of a tank,
				  plumbing fixture or other container.
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.6618 - "Packing" defined

Current through June 11, 2024
"Packing" means a material, usually composed of a lubricant
				  and a woven or braided fiber of an animal, plant, mineral or metal nature,
				  which is placed in rings around the shaft of a pump or stem of a valve and used
				  to control leakage.
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.66185 - "Peak hour demand" defined

Current through June 11, 2024
"Peak hour demand" means the volume of water which must be
				  supplied by a public water system to meet the demand of its customers for water
				  during the hour that the maximum amount of water is used for a yearly period,
				  as determined by historical data.
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.6619 - "Pet cock" defined

Current through June 11, 2024
"Pet cock" means a small device which is used for regulating
				  or stopping the flow of water in a pipe and which consists of a rotating taper
				  plug in a body that has ports which correspond to those in a plug or
				  valve.
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.66195 - "pH" defined

Current through June 11, 2024
"pH" means the logarithm of the reciprocal of the
				  concentration of hydrogen ions.
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.66205 - "Pipe sleeve" defined

Current through June 11, 2024
"Pipe sleeve" means a protective tube into which a pipe is
				  inserted, which consists of:
1. Steel
				with walls that are at least 1/4-inch thick; or
2. A material that is of a suitable quality
				for supplying drinking water, pursuant to the
American Water Works
				Association Standards
.
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.6621 - "Pitless adapter" defined

Current through June 11, 2024
"Pitless adapter" means a commercially manufactured device
				  designed for below-grade attachment to openings through the casing of a water
				  well that permits water service pipes to pass through the wall or an extension
				  of the casing and prevents the entry of contaminants into the well or supply 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.66215 - "Plunge pool" defined

Current through June 11, 2024
"Plunge pool" means an artificial basin that is located at
				  the base of a falling discharge of water and protected to prevent
				  erosion.
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.6622 - "Point-of-entry treatment device" defined

Current through June 11, 2024
"Point-of-entry treatment device" means a device that treats
				  all water entering a home or other building.
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.66225 - "Point-of-use treatment device" defined

Current through June 11, 2024
"Point-of-use treatment device" means a device that delivers
				  treated water to a particular faucet located inside a home or other
				  building.
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.6623 - "Pollution" defined

Current through June 11, 2024
"Pollution" means an alteration of the chemical, physical,
				  biological or radiological integrity of water that:
1. Impairs the quality of the water to such
				an extent that the impairment adversely and unreasonably affects those
				aesthetic qualities which would have made the water desirable for domestic use;
				and
2. Does not impair the quality
				of the water to such an extent that the Division or the appropriate district
				board of health determines that the impairment creates a risk or threat to the
				public 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.6624 - "Pressure regulator" defined

Current through June 11, 2024
"Pressure regulator" means a valve with a horizontal disc or
				  diaphragm for automatically sustaining or reducing water pressure in a main,
				  lateral or service line at or to a preset value. The term includes a
				  pressure-reducing valve, a pressure-sustaining valve and a valve that
				  incorporates both features.
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.66245 - "Pressure relief valve" defined

Current through June 11, 2024
"Pressure relief valve" means a valve that opens
				  automatically when the water pressure reaches a preset limit, to relieve the
				  stress on a pipeline.
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.6625 - "Pressure vacuum breaker" defined

Current through June 11, 2024
"Pressure vacuum breaker" means a vacuum breaker that:
1. Contains an independently operating,
				internally loaded approved check valve and an independently operating, loaded
				air inlet valve located on the discharge side of the approved check valve;
				and
2. Is equipped with properly
				located, resilient seated test cocks and tightly closing, resilient seated
				shutoff valves which are attached at each end of the assembly.
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.66255 - "Primary standard" defined

Current through June 11, 2024
"Primary standard" has the meaning ascribed to it in NAC
				  445A.450.
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.6626 - "Prime mover" defined

Current through June 11, 2024
"Prime mover" means an internal combustion engine, electric
				  motor or other source of power which is designed to provide the force and
				  motion necessary to drive a pump or other machinery.
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.66265 - "Priming" defined

Current through June 11, 2024
"Priming" means the starting of flow in a pump, including,
				  for a centrifugal pump, filling the casing and suction pipe with 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.6627 - "Prohibited water well" defined

Current through June 11, 2024
"Prohibited water well" means a water well prohibited
				  pursuant to NAC 445A.6687.
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.66275 - "Properly certified laboratory" defined

Current through June 11, 2024
"Properly certified laboratory" means a laboratory certified
				  in accordance with the provisions of NAC 445A.542 to 445A.54296, inclusive, to
				  perform appropriate analyses.
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.66285 - "Public water system" defined

Current through June 11, 2024
"Public water system" has the meaning ascribed to it in NRS
				  NRS
				  445A.840.
Added to NAC by Bd. of
				  Health, eff. 2-20-97; A by R021-02, 8-29-2002
NRS
					 445A.860
Nevada Administrative Code › Chapter 445A - Water Controls › PUBLIC WATER SYSTEMS › Design, Construction, Operation and Maintenance › Section 445A.66295 - "Raw water" defined

Current through June 11, 2024
"Raw water" means water that is not suited for human
				  consumption without treatment.
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.66305 - "Reaction blocking" defined

Current through June 11, 2024
"Reaction blocking" means the strategic placement of a block
				  of concrete between a fitting and undisturbed soil at the side or bottom of a
				  pipe trench, to prevent the movement of pipes, tees, crosses, valves, bends,
				  hydrants and other appurtenances of a water system from forces that result when
				  water is under pressure and in motion.
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.6631 - "Reduced pressure detector assembly" defined

Current through June 11, 2024
"Reduced pressure detector assembly" means an assembly
				  designed to protect against pollution and contamination which is composed of a
				  line-sized, reduced pressure principle assembly and a bypass that contains a
				  water meter and another reduced pressure principle assembly.
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.66315 - "Reduced pressure principle assembly" defined

Current through June 11, 2024
"Reduced pressure principle assembly" means an assembly
				  that:
1. Contains:
(a) Two independently acting approved check
				valves; and
(b) A hydraulically
				operating, mechanically independent pressure relief valve that is located
				between the approved check valves and below the upstream check valve;
Nevada Administrative Code › Chapter 445A - Water Controls › PUBLIC WATER SYSTEMS › Design, Construction, Operation and Maintenance › Section 445A.6632 - "Reducer" defined

Current through June 11, 2024
"Reducer" means a pipe or pipe fitting that has a smaller
				  opening at one end than at the other end.
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.66325 - "Residential equivalent" defined

Current through June 11, 2024
"Residential equivalent" means the average daily demand for
				  water that is typical of a private residence served by a single service
				  connection. If the demand for water by nonresidential users is:
1. Known or estimated by an engineer, one
				"residential equivalent" shall be deemed to be 700 gallons per day for metered
				service connections and 1,225 gallons per day for unmetered service
				connections.
2. Unknown and not
				estimated by an engineer, one "residential equivalent" shall be deemed to be:
(a) The amount obtained when rates of flow
				for individual activities are computed and totalled, in accordance with
				Appendix I of the
Uniform Plumbing Code
, and the sum is
				divided by 700 gallons per day for metered service connections or 1,225 gallons
				per day for unmetered service connections; or
(b) An aggregate total of 20 fixture units,
				as determined pursuant to Appendix A of the
Uniform Plumbing
				Code
.
Nevada Administrative Code › Chapter 445A - Water Controls › PUBLIC WATER SYSTEMS › Design, Construction, Operation and Maintenance › Section 445A.6633 - "Residual flow control" defined

Current through June 11, 2024
"Residual flow control" means an automatic method of
				  chlorination that maintains a constant chlorine residual, regardless of how
				  changes in the quality or rate of flow of water cause changes in the demand for
				  chlorine.
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.66335 - "Residual pressure" defined

Current through June 11, 2024
"Residual pressure" means the pressure remaining in the water
				  mains of a distribution system when water is being withdrawn from the
				  distribution system at a particular rate of 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.6634 - "Sanitary seal" defined

Current through June 11, 2024
"Sanitary seal" means the watertight seal established in the
				  annular space between the casing and drill hole of a water well to prevent the
				  inflow and movement of surface water or shallow groundwater, or to prevent the
				  outflow or movement of water under artesian pressure.
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.66345 - "Sanitary sewer" defined

Current through June 11, 2024
"Sanitary sewer" means an underground system of sewer lines
				  for the collection and conveyance of any type of wastewater from a home or
				  community.
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.6635 - "Sanitary survey" defined

Current through June 11, 2024
"Sanitary survey" means an on-site evaluation of a public
				  water system to determine whether the water sources, facilities, equipment,
				  processes, administration, operation and maintenance of the system are adequate
				  for the production and distribution of safe and reliable drinking 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.66355 - "Seal water" defined

Current through June 11, 2024
"Seal water" means water that is applied to a stuffing box to
				  lubricate and flush the packing or mechanical seal.
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.6636 - "Secondary standard" defined

Current through June 11, 2024
"Secondary standard" means a standard which specifies a
				  maximum level for constituents found in a public water supply which, if
				  exceeded, may adversely affect the public welfare. The standards apply to
				  constituents that adversely affect the taste, odor, appearance and other
				  esthetic qualities of water.
Added to NAC by Bd. of
				  Health, eff. 2-20-97; A by R048-99, 9-27-99; R203-99,
				  8-1-2001
NRS
					 445A.860
Nevada Administrative Code › Chapter 445A - Water Controls › PUBLIC WATER SYSTEMS › Design, Construction, Operation and Maintenance › Section 445A.66365 - "Sedimentation" defined

Current through June 11, 2024
"Sedimentation" means a process carried out before filtration
				  for the removal of settleable solids by gravity or separation.
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.6637 - "Self-priming pump" defined

Current through June 11, 2024
"Self-priming pump" means an end-suction, centrifugal pump
				  that has:
1. The suction supply
				mounted above the eye of the impeller; and
2. A recirculation port placed between the
				suction and discharge portions 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.66375 - "Service connection" defined

Current through June 11, 2024
"Service connection" has the meaning ascribed to it in
				  NRS
				  445A.843.
Added to NAC by Bd. of
				  Health, eff. 2-20-97; 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.6638 - "Service line" defined

Current through June 11, 2024
"Service line" means the pipe and all appurtenances located
				  between a water main of a distribution system and the place where a customer of
				  the public water system uses 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.66385 - "Set point" defined

Current through June 11, 2024
"Set point" means the pressure or flow that an automatic
				  control is designed to maintain.
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.6639 - "Sewer line" defined

Current through June 11, 2024
"Sewer line" means a pipe or conduit and any appurtenances,
				  including catch basins and manholes, used to convey wastewater or surface
				  drainage.
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.66395 - "Sewer main" defined

Current through June 11, 2024
"Sewer main" means a:
1. Gravity sewer line with a diameter that:
(a) Exceeds 6 inches; or
(b) Equals 6 inches if the gravity sewer line
				has connections from more than one sewer service lateral;
Nevada Administrative Code › Chapter 445A - Water Controls › PUBLIC WATER SYSTEMS › Design, Construction, Operation and Maintenance › Section 445A.66405 - "Sewer service lateral" defined

Current through June 11, 2024
"Sewer service lateral" means a pipe or conduit that connects
				  a building or other property to a sewer main.
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.6641 - "Silt stop" defined

Current through June 11, 2024
"Silt stop" means a device placed at the outlet of a storage
				  structure to prevent silt or sediment from reaching a user 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.66415 - "Spool" defined

Current through June 11, 2024
"Spool" means a short section of pipe with flanged
				  ends.
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.6642 - "Spring" defined

Current through June 11, 2024
"Spring" means a naturally occurring point of discharge where
				  groundwater becomes surface water, regardless of whether the water is developed
				  for use.
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.66423 - "State Board of Health" defined

Current through June 11, 2024
"State Board of Health" means the State Board of Health
				  created pursuant to
				  NRS
				  439.030.
Added to NAC by
				  Environmental Comm'n by R194-08, eff. 10-27-2009
NRS
					 445A.860
Nevada Administrative Code › Chapter 445A - Water Controls › PUBLIC WATER SYSTEMS › Design, Construction, Operation and Maintenance › Section 445A.66425 - "Step drawdown test" defined

Current through June 11, 2024
"Step drawdown test" means a scientific evaluation of the
				  optimum pumping rate and depth for setting a pump in a well, where:
1. The well is pumped for short periods at
				successively higher pumping rates and the drawdown for each rate is
				documented.
2. The purposes of the
				test are to:
(a) Estimate the relative
				efficiency of the well; and
(b)
				Select a pumping rate for the performance of a constant discharge aquifer
				test.
Nevada Administrative Code › Chapter 445A - Water Controls › PUBLIC WATER SYSTEMS › Design, Construction, Operation and Maintenance › Section 445A.6643 - "Stop and waste valve" defined

Current through June 11, 2024
"Stop and waste valve" means a valve installed in a meter box
				  or valve box that allows a supply of water to a service line to be shut off and
				  subsequently allows water from pipelines in the building or other property
				  where the water is used to drain into the meter box or valve box.
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.66435 - "Storage structure" defined

Current through June 11, 2024
"Storage structure" means a reservoir, tank or other
				  structure used by a public water system for the storage of finished
				  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.6644 - "Storage tank" defined

Current through June 11, 2024
"Storage tank" means a tank used by a public water system for
				  the storage of finished 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.66445 - "Storm sewer" defined

Current through June 11, 2024
"Storm sewer" means an underground system of sewer lines for
				  the collection and conveyance of surface drainage and other materials deposited
				  into and borne by surface water to a point of disposal.
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.6645 - "Stuffing box" defined

Current through June 11, 2024
"Stuffing box" means the dry portion of a pump, located
				  behind the impeller and around the shaft, where the packing or mechanical seal
				  is housed.
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.66455 - "Subdivision" defined

Current through June 11, 2024
"Subdivision" has the meaning ascribed to it in NRS
				  NRS
				  278.320.
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.6646 - "Submersible pump" defined

Current through June 11, 2024
"Submersible pump" means a turbine pump designed to operate
				  with the entire pump assembly and motor submersed in liquid.
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.66465 - "Suction head" defined

Current through June 11, 2024
"Suction head" means the condition that exists when the water
				  on the suction side of a pump is above the centerline 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.6647 - "Suction lift" defined

Current through June 11, 2024
"Suction lift" means the condition that exists when a source
				  of water is below the centerline of a 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.66475 - "Suction well" defined

Current through June 11, 2024
"Suction well" means a structure, vault or chamber used for
				  the storage of raw 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.6648 - "Supplier of water" defined

Current through June 11, 2024
"Supplier of water" means a person or other entity, including
				  a governmental entity, which owns or operates a public water 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.66485 - "Surface water" defined

Current through June 11, 2024
"Surface water" means all water open to the atmosphere and
				  subject to surface runoff.
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.6649 - "Surge arrestor" defined

Current through June 11, 2024
"Surge arrestor" means an electrical device installed to
				  protect electric motors from high-voltage surges in power lines.
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.66495 - "Surge pressure" defined

Current through June 11, 2024
"Surge pressure" means a momentary increase in the pressure
				  of water in a pipeline caused by a sudden change in the velocity or the
				  direction of flow 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.66505 - "Tentative map" defined

Current through June 11, 2024
"Tentative map" has the meaning ascribed to it in NRS
				  NRS
				  278.019.
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.6651 - "Thrust anchor" defined

Current through June 11, 2024
"Thrust anchor" means a block of concrete that is cast in
				  place below a fitting and tied to the fitting with anchor rods for the purpose
				  of anchoring the fitting against vertical thrust.
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.66515 - "Thrust block" defined

Current through June 11, 2024
"Thrust block" means a mass of concrete that is cast in place
				  between a fitting and the undisturbed soil located at the side or bottom of a
				  pipe trench for the purpose of anchoring the fitting against thrust.
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.6652 - "Total capacity" defined

Current through June 11, 2024
"Total capacity" means the capacity of a public water system
				  to supply the water demanded by its customers within its area of service during
				  all conditions except emergencies.
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.66525 - "Treatment facility" defined

Current through June 11, 2024
"Treatment facility" means a facility for the treatment of
				  water of a public water 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.6653 - "Tree system" defined

Current through June 11, 2024
"Tree system" means a layout for a distribution system in
				  which:
1. The distribution system
				centers around a single arterial main that decreases in size over its
				length;
2. Various branches of the
				distribution system are connected to the arterial main at various angles;
				and
3. Smaller branches of the
				distribution system are connected to larger branches at various
				angles.
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.66535 - "Uniform Plumbing Code " defined

Current through June 11, 2024
"
Uniform Plumbing Code
" means, except as
				  otherwise modified by local ordinance pursuant to NRS
				  NRS
				  444.340 to
				  444.430,
				  inclusive, the
Uniform Plumbing Code
as adopted by reference
				  pursuant to NAC 445A.6663.
Added to NAC by Bd. of
				  Health, eff. 2-20-97
NRS
					 445A.860