Nevada Administrative Code

NAC 534.043 “Blast hole” defined. (NRS 534.020, 534.110) “Blast hole” means a borehole that is drilled and, as soon as practicable, is loaded with explosives for mining purposes. (Added to NAC by St. Engineer, eff. 12-30-97)

NAC 534.045 “Board” defined. (NRS 534.020, 534.110) “Board” means the statewide Well Drillers’ Advisory Board. (Added to NAC by St. Engineer, eff. 1-9-90)

NAC 534.047 “Borehole” defined. (NRS 534.020, 534.110) “Borehole” means a penetration in the ground made in the drilling process that is deeper than the longest dimension of the opening at the surface. (Added to NAC by St. Engineer, eff. 12-30-97; A by R039-12, 6-29-2012; R068-20…

NAC 534.048 “Bridge” defined. (NRS 534.020, 534.110) “Bridge” means an obstruction in the annular space of a borehole or well caused when the walls of the borehole collapse or when materials are jammed or wedged into the borehole or annular space. (Added to NAC by St. Engineer, e…

NAC 534.050 “Casing” defined. (NRS 534.020, 534.110) “Casing” means the conduit required to prevent waste and contamination of the groundwater and to hold the formation open during the construction or use of the well. [St. Engineer, Drilling Wells Reg. § 1.04, eff. 5-19-81]—(NAC …

NAC 534.060 “Cement grout” defined. (NRS 534.020, 534.110) “Cement grout” means a mixture consisting of equal parts by volume of portland cement and sand, consisting of a grain size of not more than 2 millimeters, with not more than 6 gallons of water for each 94-pound bag (1 cub…

NAC 534.065 “Cement-bentonite grout” defined. (NRS 534.020, 534.110) “Cement-bentonite grout” means a mixture of sodium bentonite and portland cement that, when mixed with water, is specifically designed to seal and plug instrumentation boreholes and: 1. Consists of a range of wa…

NAC 534.070 “Concrete grout” defined. (NRS 534.020, 534.110) “Concrete grout” means a mixture of portland cement, sand, 1/4-inch minus aggregate and water which contains at least five bags of cement per cubic yard of concrete and not more than 7 gallons of clean water per bag of …

NAC 534.080 “Conductor casing” defined. (NRS 534.020, 534.110) “Conductor casing” means the temporary or permanent casing used in the upper portion of the borehole to prevent collapse of the formation during the construction of the well. [St. Engineer, Drilling Wells Reg. § 1.05,…

NAC 534.094 “Contaminant” defined. (NRS 534.020, 534.110) “Contaminant” means any chemical, mineral, live organism, organic material, radioactive material or heated or cooled water that may adversely affect the quality of groundwater. (Added to NAC by St. Engineer, eff. 12-30-97)

NAC 534.095 “Contamination” defined. (NRS 534.020, 534.110) “Contamination” means the impairment of water quality by the introduction of contaminants into the groundwater. (Added to NAC by St. Engineer, eff. 1-9-90; A 12-30-97)

NAC 534.097 “Development of a well” defined. (NRS 534.020, 534.110) “Development of a well” means the process of cleaning out materials introduced during the drilling process before putting a well into service and increasing the discharge capacity of the well. (Added to NAC by St…

NAC 534.098 “Directly supervise” defined. (NRS 534.020, 534.110) “Directly supervise” means that the licensed well driller is: 1. Present at the well-drilling site when the drill rig is in operation and when any activity involving the construction, reconditioning, sealing or plug…

NAC 534.100 “Division” defined. (NRS 534.020, 534.110) “Division” means the Division of Water Resources of the State Department of Conservation and Natural Resources. The term is synonymous with the Office of the State Engineer. [St. Engineer, Drilling Wells Reg. § 1.07, eff. 5-1…

NAC 534.110 “Domestic use” defined. (NRS 534.020, 534.110) “Domestic use” has the meaning ascribed to it NRS 534.013. [St. Engineer, Drilling Wells Reg. § 1.08, eff. 5-19-81]—(NAC A 1-9-90)

NAC 534.112 “Drill rig” defined. (NRS 534.020, 534.110) “Drill rig” means any power-driven percussion, rotary, boring, coring, digging, jetting or augering machine used in the construction of a well or borehole. (Added to NAC by St. Engineer, eff. 12-30-97)

NAC 534.113 “Drive point well” defined. (NRS 534.020, 534.110) “Drive point well” means a well constructed by driving a drive point attached to the end of a section of pipe into the ground. The term is synonymous with a push point well. (Added to NAC by St. Engineer, eff. 1-9-90;…

NAC 534.120 “Exploratory well” defined. (NRS 534.020, 534.110) “Exploratory well” means a well constructed to determine the availability, quantity or quality of water or whether an aquifer is capable of transmitting water to a well in an unproven area. [St. Engineer, Drilling Wel…

NAC 534.125 “Geotechnical soil boring” defined. (NRS 534.020, 534.110) “Geotechnical soil boring” means a penetration in the ground that is made to obtain geologic, geophysical or geotechnical information or properties of the subsurface relating to engineering. The term does not …

NAC 534.140 “Groundwater” defined. (NRS 534.020, 534.110) “Groundwater” means water below the surface of the land that is in a zone of saturation. [St. Engineer, Drilling Wells Reg. § 1.11, eff. 5-19-81]—(NAC A 12-30-97)

NAC 534.144 “Instrumentation borehole” defined. (NRS 534.020, 534.110) “Instrumentation borehole” means a borehole constructed by intentionally placing or leaving any monitoring instrumentation in the hole as the hole is plugged and sealed at the time of construction. (Added to N…

NAC 534.147 “Liner pipe” defined. (NRS 534.020, 534.110) “Liner pipe” means a pipe made of steel or plastic which is: 1. Smaller in diameter than the installed casing of a well; and 2. Used to reconstruct or deepen a well or to strengthen unstable conditions encountered at depth …

NAC 534.148 “Monitoring well” defined. (NRS 534.020, 534.110) “Monitoring well” means any well that is constructed to evaluate, observe or determine the quality, quantity, temperature, pressure or other characteristic of groundwater or an aquifer. The term includes a piezometer, …

NAC 534.150 “Neat cement” defined. (NRS 534.020, 534.110) “Neat cement” means a mixture of clean water and cement in a ratio of not more than 6 gallons of water per bag of portland cement (1 cubic foot or 94 pounds). [St. Engineer, Drilling Wells Reg. § 1.12, eff. 5-19-81]—(NAC A…

NAC 534.160 “Nominal size” defined. (NRS 534.020, 534.110) “Nominal size” means the manufactured commercial designation of the diameter of a casing. An example would be casing with an outside diameter of 12 3/4 inches which may be nominally 12-inch casing by manufactured commerci…

NAC 534.175 “Permit” defined. (NRS 534.020, 534.110) “Permit” means the written permission from the State Engineer to appropriate public waters for a beneficial use from a surface or underground source, at a specific point of diversion, under limited circumstances. (Added to NAC …

NAC 534.179 “Piezometer” defined. (NRS 534.020, 534.110) “Piezometer” means a well that is constructed to measure water pressure or soil moisture tensions at one or more discrete intervals. (Added to NAC by St. Engineer, eff. 12-30-97)

NAC 534.182 “Pitless adapter” defined. (NRS 534.020, 534.110) “Pitless adapter” means a commercially manufactured device designed for attachment to openings through the casing of a water well that permits water service pipes to pass through the wall or an extension of a casing an…

NAC 534.183 “Plug” defined. (NRS 534.020, 534.110) “Plug” means the procedure in which a well or geotechnical soil boring is sealed. (Added to NAC by St. Engineer, eff. 1-9-90; A 12-30-97; R068-20, 12-29-2020)

NAC 534.1835 “Pressure grouting” defined. (NRS 534.020, 534.110) “Pressure grouting” means a process by which: 1. Grout is confined within a borehole or casing through the use of retaining plugs or packers; and 2. Sufficient pressure is applied to drive the grout slurry into the …

NAC 534.185 “Public land survey” defined. (NRS 534.020, 534.110) “Public land survey” means the description of the location of land using the survey system of the United States Government and includes the 40-acre subdivision within a quarter-quarter section, quarter section, sect…

NAC 534.188 “Reconditioning” defined. (NRS 534.020, 534.110) “Reconditioning” means the process of revitalizing an existing well by various methods that do not cause a material change in the design or construction of the well, including, without limitation, chemical treatment, br…

NAC 534.189 “Rehabilitation” defined. (NRS 534.020, 534.110) “Rehabilitation” means a material change in the design or construction of an existing well, including, without limitation, deepening, hydrofracturing, recasing, perforating, the permanent installation of packers or seal…

NAC 534.190 “Seal” defined. (NRS 534.020, 534.110) “Seal” means the watertight seal established in a borehole or the annular space between the well casings or a well casing and the borehole to prevent the inflow or vertical movement of surface water or shallow groundwater, or to …

NAC 534.194 “Sodium bentonite” defined. (NRS 534.020, 534.110) “Sodium bentonite” means a colloidal clay that: 1. Consists primarily of the weathered volcanic clay mineral montmorillonite where sodium is the predominant, exchangeable cation; 2. Has the ability to swell; and 3. Is…

NAC 534.195 “Static water level” defined. (NRS 534.020, 534.110) “Static water level” means the stabilized level or elevation of the surface of the water in a well, borehole or geotechnical soil boring that is not being pumped and is not affected by the pumping of other wells. (A…

NAC 534.201 “Tremie pipe” defined. (NRS 534.020, 534.110) “Tremie pipe” means a device that carries materials, including, without limitation, seal material, gravel pack or formation stabilizer, to a designated depth in a borehole or an annular space. (Added to NAC by St. Engineer…

NAC 534.203 “Uncontaminated fill” defined. (NRS 534.020, 534.110) “Uncontaminated fill” means a material that does not contain contaminants in concentrations that pose a threat to human health and safety or the environment. (Added to NAC by St. Engineer by R068-20, eff. 12-29-202…

NAC 534.205 “Vapor extraction well” defined. (NRS 534.020, 534.110) “Vapor extraction well” means any well constructed to remove vapors that may contaminate the groundwater. (Added to NAC by St. Engineer, eff. 12-30-97)

NAC 534.210 “Waste” defined. (NRS 534.020, 534.110) “Waste” has the meaning ascribed to it in NRS 534.0165. [St. Engineer, Drilling Wells Reg. § 1.21, eff. 5-19-81]—(NAC A 1-9-90)

NAC 534.220 “Well” defined. (NRS 534.020, 534.110) “Well” means a penetration in the ground made for the purpose of measuring, testing, sampling or producing groundwater. The term includes a water well, monitoring well or exploratory well. [St. Engineer, Drilling Wells Reg. § 1.2…

NAC 534.240 “Well driller” defined. (NRS 534.020, 534.110) “Well driller” has the meaning ascribed to it in NRS 534.017. [St. Engineer, Drilling Wells Reg. § 1.24, eff. 5-19-81]—(NAC A 1-9-90)

NAC 534.243 “Well Driller’s Report” defined. (NRS 534.020, 534.110) “Well Driller’s Report” means the log and record of work for a drilled, plugged or rehabilitated well required to be submitted to the State Engineer pursuant to NRS 534.170 and NAC 534.340. (Added to NAC by St. E…

NAC 534.245 “Well drilling” and “drilling a well” defined. (NRS 534.020, 534.110) 1. “Well drilling” and “drilling a well” have the meaning ascribed to them in NRS 534.0175. 2. As used in NRS 534.0175, the State Engineer interprets “well drilling” and “drilling a well” to include…

NAC 534.255 “Well-drilling site,” “drill site” and “drilling site” defined. (NRS 534.020, 534.110) “Well-drilling site,” “drill site” or “drilling site” means the physical location at which a well is drilled, plugged or rehabilitated. (Added to NAC by St. Engineer by R068-20, eff…

NAC 534.280 Application for license. (NRS 534.020, 534.110, 534.140) An application for a well-drilling license must be submitted to the Division. The application: 1. Must: (a) Be completed and signed by the applicant on a form provided by the Division. (b) Be accompanied by evid…

NAC 534.282 Qualifications of applicant; denial of application. (NRS 534.020, 534.110, 534.140) 1. An applicant for a well-drilling license must: (a) Be at least 18 years of age; and (b) Pass a two-part examination, consisting of the following sections: (1) A written examination …