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GENERAL31361
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Last modified
8/24/2016 7:54:33 PM
Creation date
11/23/2007 6:59:30 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1984067
IBM Index Class Name
General Documents
Doc Date
9/3/1985
Doc Name
PROPOSED DECISION AND FINDINGS OF COMPLIANCE
Permit Index Doc Type
FINDINGS
Media Type
D
Archive
No
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<br /> <br />Victory No. 1 Dishcarge - Sodium/Iagnesium-Sulfate. Exceeds U.S. <br />E.P.A. drinking water limits for manyanese. <br />Exceeds U.S. E.P.A. drinking water <br />standards, and recommended livestock <br />watering and irrigation standards for <br />sulfate, iron and total dissolved solids. <br />Above previously mined areas, baseline data indicates that the water is <br />predominantly calcium/bicarbonate. These waters exceed drinking water <br />standards for iron and manganese, probably due to natural leaching from local <br />strata. Below mined areas, the quality of the streams deteriorates to calcium <br />or magnesium-sulfate type water, in response to precipitation leaching through <br />mine wastes and recharging the streams, or from abandoned portal discharges <br />reaching the streams. <br />Flow in Coal Gulch, at the mine site and above, in late spring and early <br />summer is supported by base flow from numerous colluvial slumps or slope <br />failures. These slumps, being of high permeability, intercept and store <br />snowmelt. As the water level in the stream falls, these failures slowly <br />release water to the channel, thus providing base flow to the streams. <br />Generally, Coal Gulch does not support surface flow into the summer. During <br />the summer months, however, the stream could flow in response to severe <br />rainstorms in the area. Runoff from these storms is probably high in <br />suspended solids. The amount of runoff from these storms will vary from flash <br />flooding to minor flows, dependent upon storm intensity. <br />The Coal Gulch channel has been diverted around areas of previous mine <br />disturbance. The applicant has proposed this diversion as permanent to remain <br />after site reclamation. At this time the Division can not approve this <br />diversion as permanent. For a complete discussion see Section XX under <br />Subsection Ponds, Impoundments, Diversions. Coal Gulch flows under State <br />Highway 160 and is confluent with Cherry Gulch less than 100' south of the <br />permit boundary. All disturbed area flows will be conveyed to a sediment pond <br />prior to release back into Coal Gulch just upstream of the point that it exits <br />the permit boundary. <br />VII. Water Rights and Replacement - Rules 2.04.7 (3), 2.05.6 (3) (a) (II <br />Information regarding water rights and replacement may be found in Section <br />2.04 of the permit application. <br />Peerless Resources has found that there are no adjudicated ground water or <br />surface water rights at or below the proposed mine site. <br />Furthermore, the proposed mine has been designed to minimize impacts to the <br />regional ground water and surface water regimes. Therefore, no alternative <br />water supply has been identified and water replacement will not be necessary. <br />The applicant is in compliance with the requirements of this section. <br />
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