Nevada Administrative Code
Chapter 445A - Water Controls
WATER POLLUTION CONTROL
Standards for Water Quality
Section 445A.2142 - Colorado Region: Designated beneficial uses

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