INSPEC00515

• Permit No: C1981008
• IBM Index Class Name: Inspection
• Doc Name: Inspection Report
• Inspection Date: 4/30/1997
• Media Type: D
• Archive: No

III. COMMENTS -COMPLIANCE
Below are comments on the inspection. The comments include discussion of observations made during
the inspection. Comments also describe any enforcement actions taken during the inspection and the
facts or evidence supporting the enforcement action.
This partial inspection of the New Horizon Mine was conducted by Wally Erickson from
the DMG Durango office, 484 Turner Drive, Building F, Suite 101, Durango, CO 81301,
phone [phone]. Tod Lefevre, Western Fuels, accompanied the DMG inspector
throughout the inspection. .
Hydrologic Balance -Sediment pond 007, located at New Horizon Mine #2, was holding
water, water depth visually estimated at 3'. Pond modifications, approved under recent
TR, were being implemented. Pond 007 was being dewatered through 6" line to
facilitate pond modifications. Inlet of primary spillway was clear of sediment and debris.
Primary spillway inlet, 36" CMP with vertical riser, was reinforced with concrete collar.
Debris cage and anti-vortex fin were intact and well maintained. Discharge was dripping
from outlet of primary spillway. Secondary spillway was open channel, riprap lining was
intact, no evidence of erosion was observed.
Sediment pond 001, located at Mine #1, was holding water. Water level was sufficient
to enter the vertical riser for the primary spillway. Debris cage and anti-vortex fin were
intact on the inlet. Outlet of primary spillway was 6" CMP. Discharge was visually
estimated at 20 gpm, discharge appeared clear, no sample taken. Discharge is recorded
by Stevens Recorder, mounted beside the V-notch weir. Secondary spillway was open
channel, riprap lining was intact and stable, no evidence of erosion within secondary
spillway. Pond embankment was well vegetated,. no evidence of excessive erosion,
slumping, settling or instability was observed. Weeds were observed oh embankment.
Sediment pond 002, located at Mine #1, was dry. Primary spillway was 4" pipe with
valve. Debris screen was mounted on inlet of spillway, inlet was clear of sediment and
debris. Secondary spillway was 12" CMP with vertical riser. Debris cage and anti-
vortex fin were intact on spillway inlet. Vegetative cover on pond embankment was
sparse and weedy. Embankment appeared stable.
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Sediment pond 004, located at Mine #1, was dry. Primary spillway was 4" pipe with
valve. Debris screen was intact on spillway inlet, inlet was clear of sediment and
debris. Secondary spillway was 12" CMP with vertical riser. Debris cage and anti-
vortex fin were intact on spillway inlet. Pond embankment appeared stable.
Sediment pond 005, located at Mine #1, was dry. Primary spillway was 4" pipe with
valve. Debris screen was intact on spillway inlet, inlet was clear of sediment and
debris. Secondary spillway was 12" CMP with vertical riser. Debris cage and anti-