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HYDRO21033
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HYDRO21033
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Entry Properties
Last modified
8/24/2016 8:42:44 PM
Creation date
11/20/2007 1:58:51 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981019
IBM Index Class Name
Hydrology
Doc Date
1/12/1998
Doc Name
3rd Qtr 1997 STORM WATER EXEMPTION
From
CDOH
To
COLOWYO COAL CO
Permit Index Doc Type
DMR’s
Media Type
D
Archive
No
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<br />008A Iron, Total (mg/I) <br />OOSA Iron, Total (mg/I) <br />010A TSS (mg/I) <br />010 A TSS (mg/I) <br />010A Solids, Settleable (mg/I) <br />010A Iron, Total (mg/I) <br />010A Iron, Total (mg/I) <br />60 (30 day avg) <br />120 (daily mx) <br />890 (30 day avg) <br />1780 (daily mx) <br />11 (daily mx) <br />20 (30 day avg) <br />40 (daily mx) <br />3.5 (30 day avg) <br />7.0 (daily mx) <br />35 (30 day avg} <br />70 (daily mx) <br />0.5 (daily mx) <br />3.5 (30 day avg) <br />7.0 (daily mx) <br />Colowyo Coal Company has shown that each of the described discharges occurred within 48 hours <br />after measurable precipitation, the discharges were beyond your control, and that the available <br />pond volumes before the stone event were greater than the 10-year/24-hour storm volume. <br />Therefore, Colowyo Coal Company qualifies for the alternate limitations under the storm water <br />exemption. <br />If you have any further questions regarding this matter, please contact me at (303) 692-3603. <br />Sinc rel , <br />a a J. Lenkey <br />Water Quality C rol Section <br />WATER QUALITY CONTROL DIVISION <br />cc: Local Health Department <br />Jim Chibrilo, W~CD, DE <br />MS-3 File <br />
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