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2011-09-14_HYDROLOGY - C1981019
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2011-09-14_HYDROLOGY - C1981019
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Last modified
8/24/2016 4:43:08 PM
Creation date
9/15/2011 1:21:01 PM
Metadata
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Template:
DRMS Permit Index
Permit No
C1981019
IBM Index Class Name
HYDROLOGY
Doc Date
9/14/2011
Doc Name
1st & 2nd Quarter 2011 Pond Outfall Inspection Letter
From
DRMS
To
Colowyo Coal Company
Permit Index Doc Type
Sediment Pond Inspections
Email Name
RDZ
Media Type
D
Archive
No
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accumulated in these ponds such that capacities are below 50 percent of design capacity (based on <br />storage capacity at the invert of the primary outlet spillway). No other ponds appear to have <br />existing capacities below this level. Therefore, the Division concurs with Colowyo's assessment <br />for the need for sediment removal from these two ponds but not the others. <br />Please contact me at Rob.Zuber@state.co.us or 303 - 866 -3567 (extension 8113) with questions or <br />comments. <br />Sincerely, <br />Robert D. Zuber, P.E. <br />Environmental Protection Specialist <br />
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