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COLORADO DEPARTMENT OF HEALT/{, Wrucr Qutriity Control Diviciun <br />Ratin+in(r - I'u,Gr ?, Prnnir A'n. CO-003??G,4 <br />/l/. RECE/V!A'G STREAAI <br />A. Identification, Classification and Standards <br />1. /denlification: Oak Creek is identhed as Segment 6, and unnamed tributaries to Trout Creek are <br />identified as Segment l3a ojthe Yampa River Sub-basin of the Upper Colorado River Basin. <br />2. Classification: Bath receiving strearnr are classified for the following usu: Recreation, Class l; Aquatic <br />Life, Class 1 (Cold J; Water Supply; Agriculture <br />3. Numeric Standards: The complete list ojstandards which have been assigned in accordance with the above <br />class~ation for Oak Creek and unnamed tributaries m Trout G7eek can be found in 3.3.0, Classifications <br />and Numeric Standards for the Upper Colorado River Basin and North Plane River (S CCR 1002-8J. <br />The jolbwing numeric standards are a selected subsu of Section 3.3.0 and have been assigned for Oak <br />Creek and unna»ted tributaries to Trout Creek <br />Phvsical and Bioloeical <br />pH = 6. S - 9.0 s. u. <br />Inoreanic <br />Unionized Ammonia (NHtJ, Chronic = 0.02 mg/l <br />Residual Chlorine (G1J = 0.003 mgR <br />Boron (BJ = 0.75 mg/1 <br />Chloride (GJ = 250.0 mg/! <br />Sulfate as SO, = 250.0 mg/1 <br />Metals <br />Metal C7ireria Standard Analvtical Muhod <br />Arsenic (AsJ Acute SO Total Recoverable <br />Iron (FeJ Chronic 1000 ug/! Total Recoverable <br />Manganese (MnJ Chronic 1000 ug/1 Toraf Recoverable <br />Mercury (HgJ Chronic 0.01 ug/l Total Recoverable <br />Selenium (SeJ Acute 10 Dissolved <br />Cadmium (CdJ Acute TVS-trout TVS <br />Cadmium (CdJ Chronic TVS TVS <br />Copper (CuJ Acute and Chronic TVS TVS <br />Lead (PbJ Acute and Chronic TVS TVS <br />Nickel (NiJ Acute and Chronic TVS TVS <br />Silver (AgJ Acute TVS TVS <br />Silver (AgJ Chronic TVS-trout TVS <br />(IVS =Table Value Standards) <br />