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i' <br />Ms. Patrigia elson <br />Date Cv_ /~~ <br />Discharge Para:~ecer(s) <br />Point FYCeod+^'~ [,i mi ar~nn <br />De ~ so'~,~ - -s <br />~i=_c~asce Rate (efsl j~~(~ <br />c~. ~~ =~ 7 <br />Sxceedance of applicable permit effluent lirsitacions <br />resulted from: <br />Discharge ..cm snowmelt runoff occurring within 48 hours <br />after rurc:= inflows co the bond(s) have stopped <br />[I Discharge ,.om rainfall runoff occurring within 48 hours <br />after mea~~rable precipitation has stopped <br />Documentation of precipitation gad snowmalt oc~arrencs <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 />reverence. <br />All sedime_*.tacion ponds are 3esigned to contain the foil <br />design runoff volume resulting from a .0 year, Z4 hour 9tpLm event. <br />Stozmwater storage capacity is in addition to design sedi.~aent <br />storage and any ge_-anent storage capacity. Rerr inspet:s ail <br />sedimentation ponds on a quarterly basis.. Inspections iac:ude <br />evaluation of acc_-elated sediment levels relative to design <br />sediment storage capacity co verify chat design stormracer storace <br />capacity is maintai:.ed at all times. If inspections indicate that <br />sediment accumulations are at or near the design sediment level, <br />Kerr removes acc~lated sediment from the pond(s) within a <br />reasonable period (typically 30 co 60 days) following ~:e <br />inspection. Both pcnd inspection reports and documentation of pond <br />clean-out are retained at the minesite and are available for <br />inspection by authcrized agency representatives. Based oa direct <br />observation of pons: storage levels ac the time discharge occurred, <br />c!:e discharge resu__ed from: <br />Rainfall or snowmelt runoff volumes less than or equal <br />• to the design 10 year, 24 tour storage voluas <br />(] Rainfal: .r snowmelt runo:`_ volumes greater tJan the <br />design :_ •~ear, ?; 'your sco:ace volume <br />