Laserfiche WebLink
<br />PERMIT RENEWAL TABLE 11A <br />~~;'.~ <br />TROUT CREEK SALT LOAD ANALYSIS <br />T _ ~_` <br />~II ~I~~I~~I~~~~~~I~ <br />sss <br />During Low Flow Periods (September) <br />Analysis for Trout Creek downstream from Middle Creek Confluence <br />Assumptions: <br />1) No flow in Middle Creek except from Foidel Creek flow. <br />2) All flow in Foidel Creek is from Foidel Creek Mine discharge or CYCC backfill discharge. <br />1986 Initial Conditions: <br />Trout`Ck. Upstream <br />Foidel Ck. Mine Discharge <br />Backfill Discharge <br />Trout Ck. Downstream (calculated) <br />1986 Projected Conditions: <br /> Flow <br /> Weighted Percent <br />Flow TDS TDS Contribution <br />(cfs) (mg/I) (mg/I) (°h) <br />12.10 551 533 83.7 <br />0.23 2500 46 7.2 <br />0.18 4000 58 9.0 <br />12.51 636 100 <br /> Flow <br /> Weighted Percent <br /> Flow TDS TDS Contribution <br /> (cfs) (mg/I) (mg/I) (%) <br />Trout Ck. Upstream 12.10 551 506 67.1 <br />Foidel Ck. Mine Discharge 0.67 2500 127 16.8 <br />Backfill Discharge 0.40 4000 121 16.1 <br />Trout Ck. Downstream (calculated) 13.17 755 100 <br />Present Conditions (1994. 1995, 1996 Water Years): <br />D~k"~' ~a4q ' ~ ~~ <br />~~ Trout Ck. Upstream (69) <br />. ` Foidel Ck. Mine Discharge (115) <br />Backfill Discharge (39, 84, 87) <br />Trout Ck. Downstream (calculated) <br />Trout Ck. Downstream (1005) <br />` G~a,( ~!-! ~ <br /> Flow <br /> Weighted Percent <br />Flow TDS TDS Contribution <br />(cfs) (mg/I) (mg/I) (%) <br />6.71 469 368 34.6 <br />12 2744 <br />0 39 3 <br />7 <br />. <br />~~ C3256~ ~~ 655 . <br />61.7 <br />N_~ 7oU <br />8.44 470 <br />/~o <br />z~ 7DS s~'~• ~ Sort <br />3~~5 C- ~ = sod <br />0 <br />1996 Permit Renewal is~document~cycc~eckman\9firenewaWouttds.>ds Revised ?!01/97 <br />