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HYDRO27291
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HYDRO27291
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Entry Properties
Last modified
8/24/2016 8:46:39 PM
Creation date
11/20/2007 7:50:07 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981035
IBM Index Class Name
Hydrology
Doc Date
6/19/1998
Doc Name
FINAL PERMIT COLORADO WASTEWATER DISCHARGE PERTMIT SYSTEM NO CO-850001 FORMERLY CO-0036561 NATIONAL
From
CDOH
To
CARYL R HELMIN
Permit Index Doc Type
NPDES
Media Type
D
Archive
No
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<br />COLORADO DEPARTMENT OF HEALTH <br />Water Quality Control Division <br />4210 East 11th Avenue <br />Denver, Colorado 80220 <br />Page 2 of 3 <br />Permit No. COG-850001 <br />III. RECEIVING STREAM: <br />A. Identification, Classification, and Numeric Standards <br />1. Identification: Hay Gulch (Segment 1 of the La Plata <br />River). <br />2. Classification: Recreation, Class 2 <br />Aquatic Life, Class 1, (Cold) <br />Agricultural Life. <br />3. Numeric Standards: The standards which have been assigned in <br />accordance with the above classifications <br />can be found in 3.4.0 Classification and <br />Numeric Standards for the San Juan and <br />' Dolores River Basins (5 CCR 1002-8), as <br />amended March 1, 1992. It should ba noted <br />that this facility does not discharge <br />pollutants which are limited by water <br />quality standards with the exception of pH. <br />B. Receiving Water Data <br />1. Stream Low Flow: Not Applicable; effluent limitations are not flow <br />based. <br />IV. FACILITY INFORMATION: <br />Two sedimentation ponds, each designed to contain the 10-year, 24-hour <br />precipitation event, exist at the mine site. No process-related <br />discharges have been reported at the facility since 1979. Therefore, <br />discharges when they occur shall be limited to surface runoff only. <br />Since the facility is currently inactive, any discharges from tha facility <br />should consist of surface runoff only. If discharge of mine water, prep <br />plant water, sanitary water or other non-surface runoff related water <br />becomes necessary, the Permittee will have Co request that an individual <br />NPDES permit be drafted prior to the occurrence of such discharge, to <br />replace this general permit. <br />V. ANTIDEGRADATION; <br />These are not reviewable waters pursuant to Section 3.1.8(3)(a) of the <br />Basic Standards and Methodologies for Surface Water (SCCR 1002-2), based <br />on a finding of no increased water quality impact. <br />
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