HYDRO22217

• Permit No: C1981022
• IBM Index Class Name: Hydrology
• Doc Name: SOMERSET MINING CO STORM WATER MANAGEMENT PLAN
• Permit Index Doc Type: OTHER GROUND WATER
• Media Type: D
• Archive: No

• straw bale filter located near the discharge
end of the ditch near where the borrow ditch
flows into Sanborn Creek. Erosion on the cut
slopes above the road will be controlled
using vegetation.
SC5 Runoff from the upper portion of
corridor will be coursed through
filters to control sediment. It
that any of this water will disc
State waters due to the distance
flow to reach Elk Creek.
the conveyor
straw bale
is unlikely
large into
that is must
Bear Creek Facility: (see map C8-1141)
BC1 Runoff from the intake portal area is
contained by a berm and coursed through a
silt fence to control sediment load in any
stormwater leaving the site. No erosion
should occur in this area due to its gentle
slope.
BC2 Runoff from the escapeway portal area will be
protected from sediment load by vegetation.
No erosion should occur on the bench due to
its gentle slopes and the vegetation density
• on the bench.
Lower Hubbard Creek Facility: (see map E8-3253)
LH1 Runoff from the ventilation portal area is
controlled by a berm and coursed through a
silt fence to control sediment load in any
stormwater leaving the site. No erosion
should occur in this area due to its gentle
slope.
LH2 Runoff from the hoist house pad area and its
access road will be directed to a silt fence
to control sediment load. Erosion in this
area should not occur due to the areas dense
vegetation and gentle slope.
LH3 The pre-law coal waste storage area is not
protected by any sediment or erosion control
feature. The area was disturbed by others
during operations prior to the development of
the lower Hubbard Creek ventilation facility.
It is not necessary for any operations or
personnel to access this area. The outslope
on the area consists primarily of cobbles and
• boulders so erosion is not a concern and any
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