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Colowyo C-1981-019 27 March 2007 c~~ Pg 3/ 5 Hydrologic Balance (cont.): -The Rail Loop Pond (NPDES OO6A) contained water approximately three feet below the spillway and was not discharging at the time of the inspection. The pond embankment was well vegetated and appeared to be stable at the time of the inspection. No erosional problems noted on the embankment at the time of the inspection. The emergency spillway is an open, trapezoidal riprapped channel. The spillway was stable and well maintained at the time of the inspection. There are two large piles of sediment/coal fines at the inlet of the pond from the cleaning of the train tunnel. -The Stoker Siding Pond (NPDES 005A) was not inspected at the time of the inspection due to near white-out conditions while at the Gossard Loadout. -The Prospect Pond (NPDES 007A) contained water approximately six feet below the discharge pipe and was not discharging at the time of the inspection. The pond embankment was well vegetated and appeared to be stable at the time of the inspection. No erosional problems noted on the embankment at the time of the inspection. The emergency spillway is an open, trapezoidal riprapped channel. The spillway was stable and well maintained at the time of the inspection. - The Streeter Pond (NPDES 001 A) contained water approximately nine inches below the discharge pipe and was discharging from the weep hole on the pipe at the time of the inspection. The discharge measured 0.1 on the flume. The discharge appeared to be clean at the time of the inspection. The pond embankment was well vegetated and appeared to be stable at the time of the inspection. No erosional problems noted on the embankment at the time of the inspection. The emergency spillway is an open, trapezoidal riprapped channel. The spillway was stable and well maintained at the time of the inspection. -The Gulch A Pond (NPDES 004A) contained water approximately two feet below the discharge pipe and was not discharging at the time of the inspection. The pond embankment was well vegetated and appeared to be stable at the time of the inspection. No erosional problems noted on the embankment at the time of the inspection. The emergency spillway is an open, trapezoidal riprapped channel. The spillway was stable and well maintained at the time of the inspection. Goodspring Creek was flowing at the time of the inspection. -Sump 1 was filled with sediment due to all of the rain and runoff from the snow melt that has occurred recently. The sump needs to be cleaned. The sump appeared to be stable at the time of the inspection. -Sump 2 was filled with sediment due to all of the rain and runoff from the snow melt that has occurred recently. The sump needs to be cleaned. The sump appeared to be stable at the time of the inspection. - Sump 3 was filled with sediment due to all of the rain and runoff from the snow melt that has occurred recently. The sump needs to be cleaned. The sump appeared to be stable at the time of the inspection. -Sump 4 was tilled with sediment due to all of the rain and runoff from the snow melt that has occurred recently. The sump needs to be cleaned. The sump appeared to be stable at the time of the inspection.