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TADLE 2: Sulfate Concentrations within the Yampa River Basin Presently antl Historically <br />Location Operator 8 Minimum ow of Record Maximum ow of Record <br /> Site No. Di stha rge 504 Date Discharge SOq Date Discharge SOq <br /> (cis) (mg/1) (cis) (m9/1) (cis) (mg/1) <br />Foidel Creek CYCL/14 ). 38 272.5 <br />upstream of 101-531 <br />disturbance <br />Middle Creek LYLL/29 11.1 425 9/23/85 4.2 300 3/19/85 20.0 515 <br />dowstream 4.2-20 147- <br />disturbance 932 <br />Fish Creek LYCL/1001 25.6 172 8/14/84 5.45 150 5/20/85 100 313 <br />upstream of 7-100 45- <br />disturbance 730 <br />Fish Lreek CYCC/1003 77 309 8/28/85 8 279 6/25/84 1300 272 <br />downstream of 8-272 80- <br />disturAence 613 <br />Trout Creek CYCC/69 NA NA 3/4/81 7.0 134 6/13/83 257 56 <br />downstream of <br />Foidel Creek ' <br />Yampa River USGS 1933 NA 8/17/77 30 33 4/27/74 16500 NA <br />at Steamboat 09244410 230-12500 <br />Yampa River USGS 3025 NA 7/17/77 22 200 5/17/A4 25100 57 <br />at Maybell 09251000 <br />•* Norst Flow of Available Institutional Records <br />t 1985 Oata Presented in the Foitowing Format <br />Average <br />Minimum-Maximum <br />TABLE 3: Total Suspended Solids (TSS) Concentrations within the Yampa R{rer Bas{n Presently and Historically <br />ocataon Aerator Min mum ow o Record az mum ow o eco <br /> Site No. Df xharge T55 Date Discharge TSS Date Di xharge TSS <br /> Icfs) (mg/1) (cis) fmg/1) (cis) (m /1) <br />Yampa Ri rer USGS 3025 NA 7/17/77 ZZ 200 5/17/84 25100 57 <br />at Maybell 09257000 305-24400 <br />Foidel Creek CYCC/14 1.38 65 <br />upstream of 6-340 <br />disturbance <br />Middle Creek CYCC/29 11.1 345 9/23/85 4.2 31 3/19/85 20.0 1140 <br />doVStream 4.2-20 B- <br />distur0ance 2070 <br />Fish Creet LYCC/1001 25.6 183 8/14/84 5.45 8 5/20/85 1.00 166 <br />upstream of 7-100 4- <br />disturbance 1760 <br />Fish Creek CYCC/1003 77 355 8/28/85 8 24 6/25/84 1300 186 <br />Downstream of 8-272 6- <br />tlisturbance 1900 <br />Trout Creek CYCC/69 NA NA 3/4/81 7.0 24 6/13/83 257 110 <br />downstream of <br />Foidel Creek <br />Yampa River USGS 1933 NA 8/17/77 38 NA 4/27/74 16500 NA <br />at Steamboat 09244610 230-12500 <br />Yampa River USGS 3025 NA 7/17/77 22 NA 5/17/84 25100 NA <br />a[ Maybell 09251000 305-29400 <br />* 7984 data <br />" Lowest flow of available historical records <br />+ 1995 data presented on the fallowing format <br />Ave ra qe <br />Minimum-Maximum <br />176 <br />i <br />