Standards for Water Quality  


NAC 445A.11704. Definitions.
NAC 445A.11708. “A-Avg.” or “A.A.” defined.
NAC 445A.11712. “Δ” defined.
NAC 445A.11716. “Δ pH” defined.
NAC 445A.1172. “Δ T” defined.
NAC 445A.11724. “Geometric mean” defined.
NAC 445A.11736. “M.D.B. & M.” defined.
NAC 445A.1174. “mg/l” defined.
NAC 445A.11744. “No./100ml” defined.
NAC 445A.11748. “NTU” defined.
NAC 445A.11752. “PCU” defined.
NAC 445A.1176. “SAR” defined.
NAC 445A.11764. “SU” defined.
NAC 445A.11768. “S.V.” defined.
NAC 445A.11772. “Trout water” defined.
NAC 445A.11776. “≥” defined.
NAC 445A.1178. “≤” defined.
NAC 445A.118. Water quality criteria for total ammonia.
NAC 445A.120. Applicability.
NAC 445A.121. Standards applicable to all surface waters.
NAC 445A.122. Standards applicable to beneficial uses.
NAC 445A.123. Classification and reclassification of waters.
NAC 445A.1233. Cooperation regarding Colorado River; salinity standards.
NAC 445A.1236. Standards for toxic materials applicable to designated waters.
NAC 445A.1239. Control points: Prescription and applicability of numerical standards for water quality; designation of beneficial uses.
NAC 445A.1242. Hydrographic regions.
NAC 445A.1252. Northwest Region: Designated beneficial uses.
NAC 445A.1254. Northwest Region: Standards for select bodies of water.
NAC 445A.1256. Northwest Region: Boulder Reservoir.
NAC 445A.1258. Northwest Region: Blue Lakes.
NAC 445A.1262. Northwest Region: Catnip Reservoir.
NAC 445A.1264. Northwest Region: Wall Canyon Reservoir.
NAC 445A.1266. Northwest Region: Knott Creek Reservoir.
NAC 445A.1268. Northwest Region: Onion Valley Reservoir.
NAC 445A.1282. Black Rock Region: Designated beneficial uses.
NAC 445A.1284. Black Rock Region: Standards for select bodies of water.
NAC 445A.1286. Black Rock Region: Smoke Creek.
NAC 445A.1288. Black Rock Region: Squaw Creek Reservoir.
NAC 445A.1292. Black Rock Region: Negro Creek.
NAC 445A.1296. Black Rock Region: Mahogany Creek.
NAC 445A.1298. Black Rock Region: Leonard Creek.
NAC 445A.1302. Black Rock Region: Bilk Creek, upper.
NAC 445A.1304. Black Rock Region: Bilk Creek at Bilk Creek Reservoir.
NAC 445A.1306. Black Rock Region: Bilk Creek Reservoir.
NAC 445A.1308. Black Rock Region: Bottle Creek.
NAC 445A.1312. Black Rock Region: Quinn River, East and South Forks.
NAC 445A.1316. Black Rock Region: Quinn River (the slough).
NAC 445A.1332. Snake Region: Designated beneficial uses.
NAC 445A.1334. Snake Region: Standards.
NAC 445A.1336. Snake Region: Goose Creek.
NAC 445A.1338. Snake Region: Salmon Falls Creek.
NAC 445A.1342. Snake Region: Shoshone Creek.
NAC 445A.1344. Snake Region: Jarbidge River, East Fork.
NAC 445A.1346. Snake Region: Jarbidge River, above Jarbidge.
NAC 445A.1348. Snake Region: Jarbidge River, below Jarbidge.
NAC 445A.1352. Snake Region: Bruneau River.
NAC 445A.1354. Snake Region: Owyhee River, above Mill Creek.
NAC 445A.1356. Snake Region: Owyhee River, below Mill Creek.
NAC 445A.1362. Snake Region: Owyhee River, South Fork.
NAC 445A.1364. Snake Region: Salmon Falls Creek, North Fork.
NAC 445A.1366. Snake Region: Salmon Falls Creek, South Fork.
NAC 445A.1368. Snake Region: Camp Creek at the national forest boundary.
NAC 445A.1372. Snake Region: Camp Creek at the South Fork of Salmon Falls Creek.
NAC 445A.1374. Snake Region: Cottonwood Creek at the national forest boundary.
NAC 445A.1376. Snake Region: Cottonwood Creek at the South Fork of Salmon Falls Creek.
NAC 445A.1378. Snake Region: Canyon Creek at the national forest boundary.
NAC 445A.1382. Snake Region: Canyon Creek at the South Fork of Salmon Falls Creek.
NAC 445A.1384. Snake Region: Bear Creek.
NAC 445A.1386. Snake Region: 76 Creek.
NAC 445A.1388. Snake Region: Owyhee River, East Fork above Wild Horse Reservoir.
NAC 445A.1392. Snake Region: Deep Creek.
NAC 445A.1394. Snake Region: Penrod Creek, including tributaries.
NAC 445A.1396. Snake Region: Hendricks Creek.
NAC 445A.1398. Snake Region: Wild Horse Reservoir.
NAC 445A.1402. Snake Region: Browns Gulch.
NAC 445A.1404. Snake Region: Jack Creek.
NAC 445A.1406. Snake Region: Harrington Creek.
NAC 445A.1408. Snake Region: Bull Run Reservoir.
NAC 445A.1412. Snake Region: Wilson Reservoir.
NAC 445A.1414. Snake Region: Taylor Canyon Creek.
NAC 445A.1416. Snake Region: Trout Creek at Goose Creek.
NAC 445A.1418. Snake Region: Trout Creek at Salmon Falls Creek.
NAC 445A.1422. Snake Region: Jack Creek at Jarbidge River.
NAC 445A.1432. Humboldt Region: Designated beneficial uses.
NAC 445A.1434. Humboldt Region: Standards for select bodies of water.
NAC 445A.1436. Humboldt Region: Humboldt River near Osino.
NAC 445A.1438. Humboldt Region: Humboldt River at Palisade.
NAC 445A.1442. Humboldt Region: Humboldt River at Battle Mountain.
NAC 445A.1444. Humboldt Region: Humboldt River at State Highway 789.
NAC 445A.1446. Humboldt Region: Humboldt River at Imlay.
NAC 445A.1448. Humboldt Region: Humboldt River at Woolsey.
NAC 445A.1452. Humboldt Region: Humboldt River at Rodgers Dam.
NAC 445A.1454. Humboldt Region: Humboldt River at the Humboldt Sink.
NAC 445A.1455. Humboldt Region: The Humboldt Sink.
NAC 445A.1456. Humboldt Region: Humboldt River, North Fork and tributaries at the national forest boundary.
NAC 445A.1458. Humboldt Region: Humboldt River, North Fork at Beaver Creek.
NAC 445A.1462. Humboldt Region: Humboldt River, North Fork at the Humboldt River.
NAC 445A.1464. Humboldt Region: Humboldt River, South Fork and tributaries at Lee.
NAC 445A.1466. Humboldt Region: Humboldt River, South Fork at the Humboldt River.
NAC 445A.1468. Humboldt Region: Little Humboldt River.
NAC 445A.1472. Humboldt Region: Little Humboldt River, North Fork at the national forest boundary.
NAC 445A.1474. Humboldt Region: Little Humboldt River, North Fork at the South Fork of the Little Humboldt River.
NAC 445A.1476. Humboldt Region: Little Humboldt River, South Fork at the Elko-Humboldt county line.
NAC 445A.1478. Humboldt Region: Little Humboldt River, South Fork at the North Fork of the Little Humboldt River.
NAC 445A.1482. Humboldt Region: Marys River, upper.
NAC 445A.1484. Humboldt Region: Marys River at the Humboldt River.
NAC 445A.1486. Humboldt Region: Tabor Creek.
NAC 445A.1488. Humboldt Region: Maggie Creek Tributaries.
NAC 445A.1492. Humboldt Region: Maggie Creek at Jack Creek.
NAC 445A.1494. Humboldt Region: Maggie Creek at Soap Creek.
NAC 445A.1496. Humboldt Region: Maggie Creek at the Humboldt River.
NAC 445A.1498. Humboldt Region: Secret Creek at the national forest boundary.
NAC 445A.1502. Humboldt Region: Secret Creek at the Humboldt River.
NAC 445A.1504. Humboldt Region: Lamoille Creek at the gaging station.
NAC 445A.1506. Humboldt Region: Lamoille Creek at the Humboldt River.
NAC 445A.1508. Humboldt Region: J.D. Ponds.
NAC 445A.1512. Humboldt Region: Denay Creek at Tonkin Reservoir.
NAC 445A.1514. Humboldt Region: Tonkin Reservoir.
NAC 445A.1516. Humboldt Region: Denay Creek below Tonkin Reservoir.
NAC 445A.1518. Humboldt Region: Rock Creek at Squaw Valley Ranch.
NAC 445A.1522. Humboldt Region: Rock Creek below Squaw Valley Ranch.
NAC 445A.1524. Humboldt Region: Willow Creek at Willow Creek Reservoir.
NAC 445A.1526. Humboldt Region: Willow Creek Reservoir.
NAC 445A.1527. Humboldt Region: North Antelope Creek.
NAC 445A.1528. Humboldt Region: Pole Creek.
NAC 445A.1532. Humboldt Region: Water Canyon Creek.
NAC 445A.1534. Humboldt Region: Martin Creek at the national forest boundary.
NAC 445A.1536. Humboldt Region: Martin Creek below the national forest boundary.
NAC 445A.1538. Humboldt Region: Dutch John Creek.
NAC 445A.1542. Humboldt Region: Huntington Creek at the White Pine-Elko county line.
NAC 445A.1544. Humboldt Region: Huntington Creek at Smith Creek.
NAC 445A.1546. Humboldt Region: Huntington Creek at the South Fork of the Humboldt River.
NAC 445A.1548. Humboldt Region: Green Mountain Creek at the national forest boundary.
NAC 445A.1552. Humboldt Region: Green Mountain Creek at Corral Creek.
NAC 445A.1554. Humboldt Region: Toyn Creek.
NAC 445A.1556. Humboldt Region: Reese River at Indian Creek.
NAC 445A.1558. Humboldt Region: Reese River at State Route 722.
NAC 445A.1562. Humboldt Region: Reese River below State Route 722.
NAC 445A.1564. Humboldt Region: San Juan Creek.
NAC 445A.1566. Humboldt Region: Big Creek at the forest service campground.
NAC 445A.1568. Humboldt Region: Big Creek below the forest service campground.
NAC 445A.1572. Humboldt Region: Mill Creek.
NAC 445A.1574. Humboldt Region: Lewis Creek.
NAC 445A.1576. Humboldt Region: Iowa Canyon Reservoir.
NAC 445A.1578. Humboldt Region: Starr Creek.
NAC 445A.1612. West Central Region: No designated beneficial uses.
NAC 445A.1614. West Central Region: No designated standards.
NAC 445A.1622. Truckee Region: Designated beneficial uses.
NAC 445A.1624. Truckee Region: Standards for select bodies of water.
NAC 445A.1626. Truckee Region: Lake Tahoe.
NAC 445A.1628. Truckee Region: Lake Tahoe Tributaries.
NAC 445A.1632. Truckee Region: Incline Creek, East Fork at the ski resort.
NAC 445A.1634. Truckee Region: Incline Creek, West Fork at State Highway 431.
NAC 445A.1636. Truckee Region: Incline Creek, East Fork; Incline Creek, West Fork; and Incline Creek.
NAC 445A.1638. Truckee Region: Third Creek, East Fork at State Highway 431.
NAC 445A.1642. Truckee Region: Third Creek, East Fork; Third Creek, West Fork; and Third Creek.
NAC 445A.1644. Truckee Region: Wood Creek.
NAC 445A.1646. Truckee Region: Second Creek at Second Creek Drive.
NAC 445A.1648. Truckee Region: Second Creek at Lakeshore Drive.
NAC 445A.1652. Truckee Region: First Creek at Dale and Knotty Pine Drives.
NAC 445A.1654. Truckee Region: First Creek at Lakeshore Drive.
NAC 445A.1656. Truckee Region: Glenbrook Creek.
NAC 445A.1658. Truckee Region: Logan House Creek.
NAC 445A.1662. Truckee Region: Eagle Rock Creek.
NAC 445A.1664. Truckee Region: Edgewood Creek at Palisades Drive.
NAC 445A.1666. Truckee Region: Edgewood Creek at Stateline.
NAC 445A.1682. Truckee Region: Truckee River at the state line.
NAC 445A.1684. Truckee Region: Truckee River at Idlewild.
NAC 445A.1686. Truckee Region: Truckee River at East McCarran.
NAC 445A.1688. Truckee Region: Truckee River at Lockwood Bridge.
NAC 445A.1692. Truckee Region: Truckee River at Derby Dam.
NAC 445A.1694. Truckee Region: Truckee River at the Pyramid Lake Paiute Reservation.
NAC 445A.1698. Truckee Region: Bronco Creek.
NAC 445A.1702. Truckee Region: Gray Creek.
NAC 445A.1704. Truckee Region: Hunter Creek at Hunter Lake.
NAC 445A.1706. Truckee Region: Hunter Lake.
NAC 445A.1708. Truckee Region: Hunter Creek at the Truckee River.
NAC 445A.1722. Truckee Region: Washoe Lakes.
NAC 445A.1724. Truckee Region: Steamboat Creek at the gaging station.
NAC 445A.1726. Truckee Region: Steamboat Creek at the Truckee River.
NAC 445A.1728. Truckee Region: Franktown Creek, upper.
NAC 445A.1732. Truckee Region: Franktown Creek at Washoe Lake.
NAC 445A.1734. Truckee Region: Hobart Reservoir and tributaries.
NAC 445A.1736. Truckee Region: Ophir Creek at State Route 429.
NAC 445A.1738. Truckee Region: Ophir Creek at Washoe Lake.
NAC 445A.1742. Truckee Region: Price Lakes.
NAC 445A.1744. Truckee Region: Davis Lake.
NAC 445A.1746. Truckee Region: Galena Creek, upper.
NAC 445A.1748. Truckee Region: Galena Creek, middle.
NAC 445A.1752. Truckee Region: Galena Creek at Steamboat Creek.
NAC 445A.1754. Truckee Region: Whites Creek, upper.
NAC 445A.1756. Truckee Region: Whites Creek at Steamboat Ditch.
NAC 445A.1758. Truckee Region: Whites Creek at Steamboat Creek.
NAC 445A.1762. Truckee Region: Lagomarsino Creek.
NAC 445A.1764. Truckee Region: Tracy Pond.
NAC 445A.1782. Western Region: No designated beneficial uses.
NAC 445A.1784. Western Region: No designated standards.
NAC 445A.1792. Carson Region: Designated beneficial uses.
NAC 445A.1794. Carson Region: Standards for select bodies of water.
NAC 445A.1796. Carson Region: Carson River, West Fork at the state line.
NAC 445A.1798. Carson Region: Bryant Creek near the state line.
NAC 445A.1802. Carson Region: Carson River, East Fork at the state line.
NAC 445A.1804. Carson Region: Carson River, East Fork at U.S. Highway 395 south of Gardnerville.
NAC 445A.1806. Carson Region: Carson River, East Fork at Muller Lane.
NAC 445A.1808. Carson Region: Carson River at Genoa Lane.
NAC 445A.1812. Carson Region: Carson River at Cradlebaugh Bridge.
NAC 445A.1814. Carson Region: Carson River at the Mexican Ditch Gage.
NAC 445A.1816. Carson Region: Carson River near New Empire.
NAC 445A.1818. Carson Region: Carson River at Dayton Bridge.
NAC 445A.1822. Carson Region: Carson River at Weeks.
NAC 445A.1824. Carson Region: Carson River at Lahontan Dam.
NAC 445A.1826. Carson Region: Lower Carson River.
NAC 445A.1828. Carson Region: Daggett Creek.
NAC 445A.1832. Carson Region: Genoa Creek.
NAC 445A.1834. Carson Region: Sierra Canyon Creek.
NAC 445A.1836. Carson Region: Clear Creek at the gaging station.
NAC 445A.1838. Carson Region: Clear Creek at the Carson River.
NAC 445A.1842. Carson Region: Kings Canyon.
NAC 445A.1844. Carson Region: Ash Canyon.
NAC 445A.1846. Carson Region: V-Line Canal.
NAC 445A.1848. Carson Region: Rattlesnake Reservoir.
NAC 445A.1852. Carson Region: Indian Lakes.
NAC 445A.1854. Carson Region: Diagonal Drain.
NAC 445A.1856. Carson Region: South Carson Lake.
NAC 445A.1858. Carson Region: Harmon Reservoir.
NAC 445A.1862. Carson Region: Stillwater Marsh east of Westside Road.
NAC 445A.1864. Carson Region: Stillwater Marsh west of Westside Road.
NAC 445A.1882. Walker Region: Designated beneficial uses.
NAC 445A.1884. Walker Region: Standards for select bodies of water.
NAC 445A.1886. Walker Region: Walker River, West Fork at the state line.
NAC 445A.1888. Walker Region: Topaz Lake.
NAC 445A.1892. Walker Region: Walker River, West Fork near Wellington.
NAC 445A.1894. Walker Region: Walker River, West Fork at the East Fork of the Walker River.
NAC 445A.1896. Walker Region: Sweetwater Creek.
NAC 445A.1898. Walker Region: Walker River, East Fork at the state line.
NAC 445A.1902. Walker Region: Walker River, East Fork at Bridge B-1475.
NAC 445A.1904. Walker Region: Walker River, East Fork at the West Fork of the Walker River.
NAC 445A.1906. Walker Region: Walker River at the Walker River Indian Reservation.
NAC 445A.1908. Walker Region: Walker River at Walker Lake.
NAC 445A.1914. Walker Region: Walker Lake.
NAC 445A.1916. Walker Region: Desert Creek.
NAC 445A.1918. Walker Region: Mason Valley Wildlife Management Area - Bass, Crappie and North Ponds and Hinkson Slough.
NAC 445A.1922. Walker Region: Mason Valley Wildlife Management Area.
NAC 445A.1926. Walker Region: Cottonwood Creek.
NAC 445A.1928. Walker Region: Squaw Creek.
NAC 445A.1932. Walker Region: Rose Creek.
NAC 445A.1934. Walker Region: Corey Creek.
NAC 445A.1952. Central Region: Designated beneficial uses.
NAC 445A.1954. Central Region: Standards for select bodies of water.
NAC 445A.1956. Central Region: Chiatovich Creek.
NAC 445A.1958. Central Region: Indian Creek.
NAC 445A.1962. Central Region: Leidy Creek.
NAC 445A.1964. Central Region: Fish Lake.
NAC 445A.1966. Central Region: Star Creek.
NAC 445A.1968. Central Region: Willow Creek Reservoir.
NAC 445A.1972. Central Region: Peavine Creek.
NAC 445A.1974. Central Region: Jett Creek.
NAC 445A.1976. Central Region: Twin River, South Fork.
NAC 445A.1978. Central Region: Twin River, North Fork.
NAC 445A.1982. Central Region: Kingston Creek at Groves Lake.
NAC 445A.1984. Central Region: Groves Lake.
NAC 445A.1986. Central Region: Kingston Creek below Groves Lake.
NAC 445A.1988. Central Region: Birch Creek at the national forest boundary.
NAC 445A.1992. Central Region: Birch Creek below the national forest boundary.
NAC 445A.1994. Central Region: Skull Creek.
NAC 445A.1996. Central Region: Steiner Creek.
NAC 445A.1998. Central Region: Pine Creek (Nye County).
NAC 445A.2002. Central Region: Barley Creek.
NAC 445A.2004. Central Region: Mosquito Creek.
NAC 445A.2006. Central Region: Stoneberger Creek.
NAC 445A.2008. Central Region: Roberts Creek at Roberts Creek Reservoir.
NAC 445A.2012. Central Region: Roberts Creek below Roberts Creek Reservoir.
NAC 445A.2014. Central Region: Fish Springs Pond.
NAC 445A.2016. Central Region: Illipah Reservoir.
NAC 445A.2018. Central Region: Ruby Marsh.
NAC 445A.2022. Central Region: Angel Lake.
NAC 445A.2024. Central Region: Pole Canyon Creek.
NAC 445A.2026. Central Region: Goshute Creek.
NAC 445A.2028. Central Region: Gleason Creek at State Highway 485.
NAC 445A.2032. Central Region: Gleason Creek at Murry Creek.
NAC 445A.2034. Central Region: Murry Creek above Crawford Street.
NAC 445A.2035. Central Region: Murry Creek below Crawford Street.
NAC 445A.2036. Central Region: Comins Reservoir.
NAC 445A.2038. Central Region: North Creek.
NAC 445A.2042. Central Region: East Creek.
NAC 445A.2044. Central Region: Bird Creek.
NAC 445A.2046. Central Region: Timber Creek.
NAC 445A.2048. Central Region: Berry Creek.
NAC 445A.2052. Central Region: Duck Creek.
NAC 445A.2054. Central Region: Cleve Creek.
NAC 445A.2056. Central Region: Cave Creek.
NAC 445A.2058. Central Region: Cave Lake.
NAC 445A.2062. Central Region: Pine Creek (White Pine County).
NAC 445A.2064. Central Region: Ridge Creek.
NAC 445A.2066. Central Region: Currant Creek at the national forest boundary.
NAC 445A.2068. Central Region: Currant Creek at Currant.
NAC 445A.2092. Great Salt Lake Region: Designated beneficial uses.
NAC 445A.2094. Great Salt Lake Region: Standards for select bodies of water.
NAC 445A.2096. Great Salt Lake Region: Snake Creek above the fish hatchery.
NAC 445A.2098. Great Salt Lake Region: Snake Creek below the fish hatchery.
NAC 445A.2102. Great Salt Lake Region: Baker Creek.
NAC 445A.2104. Great Salt Lake Region: Lehman Creek.
NAC 445A.2106. Great Salt Lake Region: Silver Creek.
NAC 445A.2108. Great Salt Lake Region: Silver Creek Reservoir.
NAC 445A.2112. Great Salt Lake Region: Hendrys Creek.
NAC 445A.2132. Escalante Desert Region: No designated beneficial uses.
NAC 445A.2134. Escalante Desert Region: No designated standards.
NAC 445A.2142. Colorado Region: Designated beneficial uses.
NAC 445A.2144. Colorado Region: Standards for select bodies of water.
NAC 445A.2146. Colorado Region: Colorado River below Davis Dam.
NAC 445A.2148. Colorado Region: Colorado River below Hoover Dam.
NAC 445A.2152. Colorado Region: Lake Mead.
NAC 445A.2154. Colorado Region: Inner Las Vegas Bay.
NAC 445A.2156. Colorado Region: Las Vegas Wash at Telephone Line Road.
NAC 445A.2158. Colorado Region: Las Vegas Wash at Lake Mead.
NAC 445A.2162. Colorado Region: Virgin River at the state line.
NAC 445A.2164. Colorado Region: Virgin River at Mesquite.
NAC 445A.2166. Colorado Region: Virgin River at Lake Mead.
NAC 445A.2168. Colorado Region: Muddy River at the Glendale Bridge.
NAC 445A.2172. Colorado Region: Muddy River at the Wells Siding Diversion.
NAC 445A.2174. Colorado Region: Muddy River at Lake Mead.
NAC 445A.2176. Colorado Region: Meadow Valley Wash.
NAC 445A.2178. Colorado Region: Beaver Dam Wash.
NAC 445A.2182. Colorado Region: Schroeder Reservoir.
NAC 445A.2184. Colorado Region: White River at the national forest boundary.
NAC 445A.2186. Colorado Region: White River at Ellison Creek.
NAC 445A.2188. Colorado Region: Dacey Reservoir.
NAC 445A.2192. Colorado Region: Sunnyside Creek.
NAC 445A.2194. Colorado Region: Adams McGill Reservoir.
NAC 445A.2196. Colorado Region: Hay Meadow Reservoir.
NAC 445A.2198. Colorado Region: Nesbitt Lake.
NAC 445A.2202. Colorado Region: Pahranagat Reservoir.
NAC 445A.2204. Colorado Region: Bowman Reservoir.
NAC 445A.2206. Colorado Region: Eagle Valley Creek.
NAC 445A.2208. Colorado Region: Eagle Valley Reservoir.
NAC 445A.2212. Colorado Region: Echo Canyon Reservoir.
NAC 445A.2214. Colorado Region: Clover Creek.
NAC 445A.2232. Death Valley Region: No designated beneficial uses.
NAC 445A.2234. Death Valley Region: No designated standards.