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C~ <br /> <br /> <br />1 <br />1 <br />Ms. Patr'ci elson <br />Date__Lf <br />Discharge <br />Point <br />30 ~~ <br />Do ~ ~30 <br />Dos .3c <br />Parameter(s) <br />fi~eedina L•imitat~on <br />Ts5 7~ <br />F~ 8. o <br />T~5 _3i ~ <br />7sS ~f8 <br />Discharge Rate (cfsl <br />~, 3 ?~ <br />~. ~2 <br />/. b ~ <br />Dat/e, (ls~) <br />~~~6 <br />,~ <br />// <br />' Sxceedance of applicable permit effluent limitations <br />resulted from: <br />' ~ Discharge from snowmelt runoff occurring within 48 hours <br />after runoff inflows to the pond(s) have stopped <br />' (J Discharge from rainfall runoff occurring within 48 hours <br />after measurable precipitation has stopped <br />' Documentation of precipitation and snowmelt occurrer_ce <br />and snowmelt inflows to the ponds is retained at the minesite and <br />is available for inspection by authorized agency representatives. <br />' Copies of relevant temperature/precipitation data are attached for <br />reference. <br />' All sedimentation ponds are designed to contain the full <br />design runoff volume resulting frown a 10 year, 24 hour storm event. <br />Stormwater storage capacity is in addition to design sediment <br />storage and any permanent storage capacity. Kerr inspects all <br />sedimentation ponds oa a quarterly basis. Inspections include <br />evaluation of accumulated sediment levels relative to design <br />' sediment storage capacity to verify that design stormwater storage <br />capacity is maintained at all times. if inspections indicate that <br />sediment accumulations are at or near the design sediment level, <br />' Rerr removes accumulated sediment from the pond(s) within a <br />reasonable period .(typically 30 to 60 days) fallowing the <br />inspection. Both pond inspection reports and documentation of pond <br />clean-out are retained at the minesite and are available for <br />inspection by authorized agency representatives. Haled oa direct <br />observation of pond storage levels at the time discharge occurred, <br />the discharge resulted from: <br />,~ Rainfall or snowmelt runoff volumes less than or equal <br />to the design 10 year, 24 hour storage volume <br />(] Rainfall or snowmelt runoff volumes greater than the <br />design 10 year, 24 hour storage volume <br />