2011-03-30_REVISION - M1977493

• Permit No: M1977493
• IBM Index Class Name: REVISION
• Doc Date: 3/30/2011
• Doc Name: Objector's Preliminary ID of Water Quality and Water Quanity. Eagle Park Reservoir
• From: Objectors
• To: DRMS
• Type & Sequence: AM6
• Media Type: D
• Archive: No

v
0 Clinton Gulch Reservoir
(1) Issue: Effects on water quality & quantity from modifications to the terrain in
the Clinton Creek drainage.
a. Concern: The expansion of the McNulty Overburden Storage Facility
("OSF") may affect the water quality of the East Interceptor Ditch.
b. Potential Mitigation Measures (or additional information needed)
i. Assurances that the south end of the East Interceptor Ditch will be
realigned in a manner that will prevent contaminated drainage from
the McNulty OSF from entering the Ditch.
(2) Issue: Blasting activities will affect water quality in Clinton Gulch Reservoir.
a. Potential Mitigation Measures (or additional information needed
i. Agreement that proposed activities will not affect water quality of
the Clinton Gulch Reservoir or the location, water quality, or water
quantity of Clinton Gulch Reservoir and the Clinton Gulch Ditch.
ii. Climax will use best management practices during blasting.
(3) Issue: Documentation of current baseline water conditions in Clinton
. Reservoir and measures to prevent degradation.
a. Potential Mitigation Measures (or additional information needed)
i. Sampling of Clinton Gulch Reservoir to establish current baseline
water quality conditions.
ii. Water quality monitoring to assess potential impacts.
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