The designated beneficial uses for select bodies of water within the Colorado Region are prescribed in this section:
Water Body Name | Segment Description | Beneficial Uses | Aquatic Life Species of Concern | Water Quality Standard NAC Reference | ||||||||||
Livestock | Irrigation | Aquatic | Contact | Noncontact | Municipal | Industrial | Wildlife | Aesthetic | Enhance | Marsh | ||||
Colorado River below Davis Dam | Colorado River, from Davis Dam to the California-Nevada state line, except for the length of the river within the exterior borders of the Fort Mojave Indian Reservation. | X | X | X | X | X | X | X | X | Adult coldwater fishery | NAC 445A.2146 | |||
Lake Mohave | The entire lake. | X | X | X | X | X | X | X | X | Adult coldwater fishery | NAC 445A.2147 | |||
Colorado River below Hoover Dam | From Hoover Dam to Willow Beach. | X | X | X | X | X | X | X | X | Adult coldwater fishery | NAC 445A.2148 | |||
Lake Mead | Lake Mead, excluding the area covered by NAC 445A.2154, Inner Las Vegas Bay. | X | X | X | X | X | X | X | X | Warm-water fishery | NAC 445A.2152 | |||
Inner Las Vegas Bay | Lake Mead from the confluence of the Las Vegas Wash with Lake Mead to 1.2 miles into Las Vegas Bay. | X | X | X | X | X | X | Warm-water fishery | NAC 445A.2154 | |||||
Las Vegas Wash at the Historic Lateral | From the confluence of Sloan Channel and Las Vegas Wash to the Historic Lateral. This segment encompasses the discharge from Clark County wastewater treatment plant, the City of Las Vegas wastewater treatment plant and the City of Henderson wastewater treatment plant. | X | X | X | X | X | X | Warm-water fish. | NAC 445A.2156 | |||||
Las Vegas Wash at Lake Mead | From the Historic Lateral to its confluence with Lake Mead. | X | X | X | X | X | X | Warm-water fish. | NAC 445A.2158 | |||||
Channels tributary to the Las Vegas Wash | Flamingo Wash, Sloan Channel, Duck Creek and Las Vegas Creek from the applicable origin to the confluence with the Las Vegas Wash. Pittman Wash from its origin to the confluence with Duck Creek. Tropicana Wash from its origin to the confluence with Flamingo Wash. Upper Las Vegas Wash from its origin to the confluence with Sloan Channel. | X | X | Section 1 of LCB File No. R115-22 | ||||||||||
Lake Las Vegas | The entire lake. | X | X | X | X | X | Warm-water fishery. | NAC 445A.2161 | ||||||
Virgin River at the state line | At the Arizona-Nevada state line, near Littlefield, Arizona. | X | X | X | X | X | X | NAC 445A.2162 | ||||||
Virgin River at Mesquite | From the Arizona-Nevada state line to Mesquite. | X | X | X | X | X | X | NAC 445A.2164 | ||||||
Virgin River at Lake Mead | From Mesquite to the river mouth at Lake Mead. | X | X | X | X | X | X | NAC 445A.2166 | ||||||
Muddy River at the Glendale Bridge | From the river source to the Glendale Bridge, except for the length of the river within the exterior borders of the Moapa Indian Reservation. | X | X | X | X | X | X | X | X | NAC 445A.2168 | ||||
Muddy River at the Wells Siding Diversion | From the Glendale Bridge to the Wells Siding Diversion. | X | X | X | X | X | X | X | NAC 445A.2172 | |||||
Muddy River at Lake Mead | From the Wells Siding Diversion to the river mouth at Lake Mead. | X | X | X | X | X | X | X | NAC 445A.2174 | |||||
Meadow Valley Wash | From the bridge above Rox to its confluence with the Muddy River. | X | X | X | X | X | X | NAC 445A.2176 | ||||||
Beaver Dam Wash | Above Schroeder Reservoir. | X | X | X | X | X | X | X | X | NAC 445A.2178 | ||||
Schroeder Reservoir | The entire reservoir. | X | X | X | X | X | X | X | X | Trout | NAC 445A.2182 | |||
White River at the national forest boundary | From its origin to the national forest boundary. | X | X | X | X | X | X | X | NAC 445A.2184 | |||||
White River at Ellison Creek | From the national forest boundary to its confluence with Ellison Creek. | X | X | X | X | X | X | X | X | Trout | NAC 445A.2186 | |||
Dacey Reservoir | The entire reservoir. | X | X | X | X | X | X | X | X | NAC 445A.2188 | ||||
Sunnyside Creek | From its origin to Adams McGill Reservoir. | X | X | X | X | X | X | X | X | NAC 445A.2192 | ||||
Adams McGill Reservoir | The entire reservoir. | X | X | X | X | X | X | X | X | NAC 445A.2194 | ||||
Hay Meadow Reservoir | The entire reservoir. | X | X | X | X | X | X | X | X | Trout | NAC 445A.2196 | |||
Nesbitt Lake | The entire lake. | X | X | X | X | X | X | X | X | NAC 445A.2198 | ||||
Pahranagat Reservoir | The entire reservoir. | X | X | X | X | X | X | X | X | NAC 445A.2202 | ||||
Bowman Reservoir | The entire reservoir. | X | X | X | X | X | X | X | X | NAC 445A.2204 | ||||
Eagle Valley Creek | From its headwaters to Eagle Valley Reservoir. | X | X | X | X | X | X | X | X | Trout | NAC 445A.2206 | |||
Eagle Valley Reservoir | The entire reservoir. | X | X | X | X | X | X | X | X | Trout | NAC 445A.2208 | |||
Echo Canyon Reservoir | The entire reservoir. | X | X | X | X | X | X | X | X | Trout | NAC 445A.2212 | |||
Clover Creek | From its origin to the point where it crosses the east range line of T. 4 S., R. 67 E., M.D.B. & M. | X | X | X | X | X | X | X | X | Trout | NAC 445A.2214 | |||
Irrigation | Irrigation | |||||||||||||
Livestock | Watering of livestock | |||||||||||||
Contact | Recreation involving contact with the water | |||||||||||||
Noncontact | Recreation not involving contact with the water | |||||||||||||
Industrial | Industrial supply | |||||||||||||
Municipal | Municipal or domestic supply, or both | |||||||||||||
Wildlife | Propagation of wildlife | |||||||||||||
Aquatic | Propagation of aquatic life | |||||||||||||
Aesthetic | Extraordinary ecological, or aesthetic or recreational value | |||||||||||||
Enhance | Enhancement of water quality | |||||||||||||
Marsh | Maintenance of a freshwater marsh |
Nev. Admin. Code § 445A.2142
NRS 445A.425, 445A.520