149 sections in this chapter.
R.20.6.4-20.6.4.4 DURATION
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Permanent.
R.20.6.4-20.6.4.401 SAN JUAN RIVER BASIN
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The main stem of the San Juan river from the Navajo Nation boundary at the Hogback upstream to its confluence with the Animas river. Some waters in this segment are under the joint jurisdiction of the state and the Navajo Nation. A. Designated Uses: public water supply, industria…
R.20.6.4-20.6.4.402 SAN JUAN RIVER BASIN
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La Plata river from its confluence with the San Juan river upstream to the New Mexico-Colorado line. A. Designated Uses: irrigation, marginal warmwater aquatic life, marginal coldwater aquatic life, livestock watering, wildlife habitat and primary contact. B. Criteria: the use-sp…
R.20.6.4-20.6.4.403 SAN JUAN RIVER BASIN
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The Animas river from its confluence with the San Juan river upstream to Estes arroyo. A. Designated uses: Public water supply, industrial water supply, irrigation, livestock watering, wildlife habitat, coolwater aquatic life, and primary contact. B. Criteria: the use-specific nu…
R.20.6.4-20.6.4.404 SAN JUAN RIVER BASIN
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The Animas river from Estes arroyo upstream to the Southern Ute Indian tribal boundary. A. Designated uses: Coolwater aquatic life, irrigation, livestock watering, wildlife habitat, public water supply, industrial water supply and primary contact. B. Criteria: The use-specific nu…
R.20.6.4-20.6.4.405 SAN JUAN RIVER BASIN
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The main stem of the San Juan river from Canon Largo upstream to the Navajo dam. A. Designated uses: high quality coldwater aquatic life, irrigation, livestock watering, wildlife habitat, public water supply, industrial water supply and primary contact. B. Criteria: the use-speci…
R.20.6.4-20.6.4.406 SAN JUAN RIVER BASIN
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Navajo reservoir in New Mexico. A. Designated Uses: coldwater aquatic life, warmwater aquatic life, irrigation storage, livestock watering, wildlife habitat, public water supply, industrial water supply and primary contact. B. Criteria: the use-specific numeric criteria set forth…
R.20.6.4-20.6.4.407 SAN JUAN RIVER BASIN
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Perennial reaches of the Navajo river from the Jicarilla Apache reservation boundary to the Colorado border and perennial reaches of Los Pinos river in New Mexico. A. Designated Uses: coldwater aquatic life, irrigation, livestock watering, public water supply, wildlife habitat an…
R.20.6.4-20.6.4.408 SAN JUAN RIVER BASIN
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The main stem of the San Juan river from its confluence with the Animas river upstream to its confluence with Cañon Largo. A. Designated uses: public water supply, industrial water supply, irrigation, livestock watering, wildlife habitat, primary contact, marginal coldwater aquat…
R.20.6.4-20.6.4.409 SAN JUAN RIVER BASIN
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Lake Farmington. A. Designated Uses: public water supply, wildlife habitat, livestock watering, primary contact, coldwater aquatic life and warmwater aquatic life. B. Criteria: the use-specific numeric criteria set forth in 20.6.4.900 NMAC are applicable to the designated uses, e…
R.20.6.4-20.6.4.410 SAN JUAN RIVER BASIN
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Jackson lake. A. Designated Uses: coolwater aquatic life, irrigation, primary contact, livestock watering and wildlife habitat. B. Criteria: The use-specific numeric criteria set forth in 20.6.4.900 NMAC are applicable to the designated uses, except that the following segment-spe…
R.20.6.4-20.6.4.451 LITTLE COLORADO RIVER BASIN
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The Rio Nutria upstream of the Zuni pueblo boundary, Tampico draw, Agua Remora, Tampico springs. A. Designated Uses: coolwater aquatic life, livestock watering, wildlife habitat and primary contact. B. Criteria: the use-specific numeric criteria set forth in 20.6.4.900 NMAC are a…
R.20.6.4-20.6.4.452 LITTLE COLORADO RIVER BASIN
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Ramah lake. A. Designated Uses: coldwater aquatic life, warmwater aquatic life, irrigation, livestock watering, wildlife habitat and primary contact. B. Criteria: the use-specific numeric criteria set forth in 20.6.4.900 NMAC are applicable to the designated uses, except that the…
R.20.6.4-20.6.4.453 LITTLE COLORADO RIVER BASIN
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Quemado lake. A. Designated Uses: coolwater aquatic life, primary contact, livestock watering and wildlife habitat. B. Criteria: The use-specific numeric criteria set forth in 20.6.4.900 NMAC are applicable to the designated uses.
R.20.6.4-20.6.4.5 EFFECTIVE DATE
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October 12, 2000, unless a later date is indicated in the history note at the end of a section.
R.20.6.4-20.6.4.50 BASINWIDE PROVISIONS
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Special provisions arising from interstate compacts, international treaties or court decrees or that otherwise apply to a basin are contained in 20.6.4.51 through 20.6.4.59 NMAC.
R.20.6.4-20.6.4.501 GILA RIVER BASIN
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The main stem of the Gila river from the New Mexico-Arizona line upstream to Redrock canyon and perennial reaches of streams in Hidalgo county. A. Designated Uses: irrigation, marginal warmwater aquatic life, livestock watering, wildlife habitat and primary contact. B. Criteria: …
R.20.6.4-20.6.4.502 GILA RIVER BASIN
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The main stem of the Gila river from Redrock canyon upstream to the confluence of the West Fork Gila river and East Fork Gila river and perennial reaches of tributaries to the Gila river downstream of Mogollon creek. A. Designated uses: industrial water supply, irrigation, livest…
R.20.6.4-20.6.4.503 GILA RIVER BASIN
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All perennial tributaries to the Gila river upstream of and including Mogollon creek. A. Designated uses: domestic water supply, high quality coldwater aquatic life, irrigation, livestock watering, wildlife habitat and primary contact. B. Criteria: the use-specific numeric criter…
R.20.6.4-20.6.4.504 GILA RIVER BASIN
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Wall lake, Lake Roberts and Snow lake. A. Designated Uses: coldwater aquatic life, irrigation, livestock watering, wildlife habitat and primary contact. B. Criteria: the use-specific numeric criteria set forth in 20.6.4.900 NMAC are applicable to the designated uses, except that …
R.20.6.4-20.6.4.505 GILA RIVER BASIN
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Bill Evans lake. A. Designated Uses: coolwater aquatic life, primary contact, livestock watering and wildlife habitat. B. Criteria: The use-specific numeric criteria set forth in 20.6.4.900 NMAC are applicable to the designated uses.
R.20.6.4-20.6.4.51 RESERVED
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R.20.6.4-20.6.4.52 PECOS RIVER BASIN
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In order to protect existing and designated uses, it is a goal of the state of New Mexico to prevent increases in TDS in the Pecos river above the following benchmark values, which are expressed as flow-weighted, annual average concentrations, at three USGS gaging stations: at Sa…
R.20.6.4-20.6.4.53 RESERVED
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R.20.6.4-20.6.4.54 COLORADO RIVER BASIN
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For the tributaries of the Colorado river system, the state of New Mexico will cooperate with the Colorado river basin states and the federal government to support and implement the salinity policy and program outlined in the most current "review, water quality standards for sali…
R.20.6.4-20.6.4.6 OBJECTIVE
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A. The purpose of this part is to establish water quality standards that consist of the designated use or uses of surface waters of the state, the water quality criteria necessary to protect the use or uses and an antidegradation policy. B. The state of New Mexico is required und…
R.20.6.4-20.6.4.601 SAN FRANCISCO RIVER BASIN
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The main stem of the San Francisco river from the New Mexico-Arizona line upstream to state highway 12 at Reserve and perennial reaches of Mule creek. A. Designated Uses: irrigation, marginal warmwater and marginal coldwater aquatic life, livestock watering, wildlife habitat and …
R.20.6.4-20.6.4.602 SAN FRANCISCO RIVER BASIN
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The main stem of the San Francisco river from state highway 12 at Reserve upstream to the New Mexico-Arizona line. A. Designated Uses: coldwater aquatic life, irrigation, livestock watering, wildlife habitat and primary contact. B. Criteria: the use-specific numeric criteria set …
R.20.6.4-20.6.4.603 SAN FRANCISCO RIVER BASIN
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All perennial reaches of tributaries to the San Francisco river above the confluence of Whitewater creek and including Whitewater creek. A. Designated Uses: domestic water supply, fish culture, high quality coldwater aquatic life, irrigation, livestock watering, wildlife habitat …
R.20.6.4-20.6.4.7 DEFINITIONS
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Terms defined in the New Mexico Water Quality Act, but not defined in this part will have the meaning given in the Water Quality Act. A. Terms beginning with numerals or the letter "A," and abbreviations for units. (1) "4Q3" means the critical low flow as determined by the minimu…
R.20.6.4-20.6.4.701 DRY CIMARRON RIVER
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Perennial portions of the Dry Cimarron river above Oak creek and perennial reaches of Oak creek. A. Designated Uses: coldwater aquatic life, irrigation, livestock watering, wildlife habitat and primary contact. B. Criteria: (1) The use-specific numeric criteria set forth in 20.6.…
R.20.6.4-20.6.4.702 DRY CIMARRON RIVER
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Perennial portions of the Dry Cimarron river below Oak creek, and perennial portions of Long canyon and Carrizozo creeks. A. Designated Uses: coolwater aquatic life, irrigation, livestock watering, wildlife habitat and primary contact. B. Criteria: (1) The use-specific numeric cr…
R.20.6.4-20.6.4.8 ANTIDEGRADATION POLICY AND IMPLEMENTATION PLAN
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A. Antidegradation Policy: This antidegradation policy applies to all surface waters of the state. (1) Existing uses, as defined in Paragraph (4) of Subsection E of 20.6.4.7 NMAC, and the level of water quality necessary to protect the existing uses shall be maintained and protec…
R.20.6.4-20.6.4.801 CLOSED BASINS
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Rio Tularosa upstream of the old U.S. highway 70 bridge crossing east of Tularosa and all perennial tributaries to the Tularosa basin except Three Rivers and Dog Canyon creek, and excluding waters on the Mescalero tribal lands. A. Designated uses: coldwater aquatic life, irrigati…
R.20.6.4-20.6.4.802 CLOSED BASINS
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Perennial reaches of Three Rivers. A. Designated Uses: irrigation, domestic water supply, high quality coldwater aquatic life, primary contact, livestock watering and wildlife habitat. B. Criteria: the use-specific numeric criteria set forth in 20.6.4.900 NMAC are applicable to t…
R.20.6.4-20.6.4.803 CLOSED BASINS
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Perennial reaches of the Mimbres river downstream of the confluence with Allie canyon and all perennial reaches of tributaries thereto. A. Designated uses: Coolwater aquatic life, irrigation, livestock watering, wildlife habitat and primary contact. B. Criteria: The use-specific …
R.20.6.4-20.6.4.804 CLOSED BASINS
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Perennial reaches of the Mimbres river upstream of the confluence with Allie canyon to Cooney canyon, and all perennial reaches of East Fork Mimbres (McKnight canyon) downstream of the fish barrier, and all perennial reaches thereto. A. Designated uses: Irrigation, domestic water…
R.20.6.4-20.6.4.805 CLOSED BASINS
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Perennial reaches of the Sacramento river (Sacramento-Salt Flat closed basin) and all perennial tributaries thereto. A. Designated Uses: domestic water supply, livestock watering, wildlife habitat, marginal coldwater aquatic life and primary contact. B. Criteria: the use-specific…
R.20.6.4-20.6.4.806 CLOSED BASINS
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Bear canyon reservoir. A. Designated Uses: coldwater aquatic life, irrigation, livestock watering, wildlife habitat and primary contact. B. Criteria: the use-specific numeric criteria set forth in 20.6.4.900 NMAC are applicable to the designated uses, except that the following se…
R.20.6.4-20.6.4.807 CLOSED BASINS
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Perennial reaches of the Mimbres river upstream of Cooney canyon and all perennial reaches thereto, including perennial reaches of East Fork Mimbres river (McKnight canyon) upstream of the fish barrier. A. Designated uses: Irrigation, domestic water supply, high quality coldwater…
R.20.6.4-20.6.4.808 CLOSED BASINS
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Perennial and intermittent watercourses within Smelter Tailing Soils Investigation Unit lands at the Chino mines company, excluding those ephemeral waters listed in 20.6.4.809 NMAC and including, but not limited to. the mainstem of Lampbright draw, beginning at the confluence of …
R.20.6.4-20.6.4.809 CLOSED BASINS
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Ephemeral watercourses within smelter tailing soils investigation unit lands at the Chino mines company, limited to Chino mines property subwatershed drainage A and tributaries thereof, Chino mines property subwatershed drainage B and tributaries thereof (excluding the northwest …
R.20.6.4-20.6.4.810 CLOSED BASINS
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Perennial reaches of Dog Canyon creek A. Designated uses: coolwater aquatic life, irrigation, livestock watering, wildlife habitat, public water supply, and primary contact. B. Criteria: the use-specific numeric criteria set forth in 20.6.4.900 NMAC are applicable to the designat…
R.20.6.4-20.6.4.9 OUTSTANDING NATIONAL RESOURCE WATERS
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A. Procedures for nominating an ONRW: Any person may nominate a surface water of the state for designation as an ONRW by filing a petition with the commission pursuant to 20.1.6 NMAC, Rulemaking Procedures - Water Quality Control Commission. A petition to designate a surface wate…
R.20.6.4-20.6.4.900 CRITERIA APPLICABLE TO EXISTING, DESIGNATED OR ATTAINABLE USES UNLESS OTHERWISE SPECIFIED IN 20.6.4.97 THROUGH 20.6.4.899 NMAC
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A. Fish culture and water supply: Fish culture, public water supply and industrial water supply are designated uses in particular classified waters of the state where these uses are actually being realized. However, no numeric criteria apply uniquely to these uses. Water quality …
R.20.6.4-20.6.4.901 PUBLICATION REFERENCES
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These documents are intended as guidance and are available for public review during regular business hours at the offices of the surface water quality bureau. Copies of these documents have also been filed with the New Mexico state records center in order to provide greater acces…
R.20.6.4-20.6.4.97 EPHEMERAL WATERS
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Ephemeral surface waters of the state as identified below and additional ephemeral waters as identified on the department's water quality standards website pursuant to Paragraph (2) of Subsection D of 20.6.4.15 NMAC are subject to the designated uses and criteria as specified in …
R.20.6.4-20.6.4.98 INTERMITTENT WATERS
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All non-perennial surface waters of the state, except those ephemeral waters included under section 20.6.4.97 NMAC or classified in 20.6.4.101-899 NMAC. A. Designated uses: livestock watering, wildlife habitat, marginal warmwater aquatic life and primary contact. B. Criteria: the…
R.20.6.4-20.6.4.99 PERENNIAL WATERS
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All perennial surface waters of the state except those classified in 20.6.4.101-899 NMAC. A. Designated uses: Warmwater aquatic life, livestock watering, wildlife habitat and primary contact. B. Criteria: The use-specific criteria in 20.6.4.900 NMAC are applicable to the designat…