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<br />1. In any single sample: dissolved oxygen shall be greater than 5.0 mg/l, pH <br />shall be within the range of 6.6 to 8.8, and temperature shall be less than <br />27 C (80.6 F). <br /> <br /> <br />.. ODZ~39 <br /> <br />Table 5 (cont): Designated uses and standards for the San Juan basin, New Mexico <br /> <br />B. Standards: <br /> <br />2, The monthly logarithmic mean of fecal coliform bacteria shall not exceed <br />200/100 mg; no single sample shall exceed 400/100 ml (see 1-103.B). <br /> <br />2-404. The Animas River from U.S. Highway 550 upstream to the New Mexico- <br />Colorado line. <br /> <br />A. Designated Uses: coldwater fishery, irrigation, livestock and wildlife <br />watering, municipal and industrial water supply, and secondary contact <br />recreation, <br /> <br />B. Standards: <br /> <br />1. In any single sample: un-ionized ammonia (as N) shall not exceed 0.03 <br />mg/l, dissolved oxygen shall be greater than 6.0 mg/l, pH shall be within <br />the range of 6.6 to 8.8, temperature shall be less than 20 C (68 F), total <br />phosphorus (as P) shall be less than 0.1 mg/l, and total chlorine residual <br />shall be less than 0,002 mg/l. <br /> <br />2. The monthly logarithmic mean of fecal coliform bacteria shall not exceed <br />200/100 ml; no single sample shall exceed 400/100 ml (see 1-103.B), <br /> <br />2-405. The main stem of the San Juan River from U.S. Highway 64 at Blanco <br />upstream to the Navajo Dam. <br /> <br />A. Designated Uses: high quality coldwater fishery, irrigation, livestock and <br />wildlife watering, municipal and industrial water supply, and secondary <br />contact recreation. <br /> <br />B. Standards: <br /> <br />1. In any single sample: un-ionized ammonia (as N) shall not exceed 0.02 <br />mg/l; conductivity shall be less than 400 pmhoS/cm (at 25 C); dissolved <br />oxygen shall be greater than 6.0 mg/l or 85% of saturation, whichever is <br />greater; total inorganic nitrogen shall be less than 1.0 mg/l (as N); pH shall <br />be within the range of 6.6 to 8.8; temperature shall be less than 20 C (68 <br />F); total chlorine residual shall be less then 0.002 mg/l; total organic <br />carbon shall be less than 7 mg/l; total phosphorus (as P) shall be less than <br />0.1 mg/l; and turbidity shall be less than 10 NTU. <br /> <br />25 <br /> <br />. " <br />