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Table 15 <br />Comparison of Surface Water Quality to Yampa Segment 131 Standards (all Grassy Creek PSCM sites except YSG5) <br />No. <br />Exceedence <br />Exceedence Exceedence <br />Analyte <br />Standard <br />Sites <br />Sites <br />Frequency <br />Date Range <br />Value Range Median <br />------- <br />-------- <br />----- <br />----- <br />--------- <br />---------- -- <br />--------- ---------- <br />Manganese, Pot. Diss. <br />0.0000 <br />- 2.6180 <br />0 <br />none <br />Manganese, Pot. Diss. <br />0.0000 <br />- 4.7380 <br />0 <br />none <br />Mercury, Total <br />0.0000 <br />- 0.0100 <br />8 <br />SSG1 <br />0/0/2/2 <br />04/24/18-06/05/18(<) <br />0.2000 - 0.2000 <br />0.2000 <br />SSG2 <br />0/0/3/3 <br />04/24/18-09/11/18(<) <br />0.2000 - 0.2000 <br />0.2000 <br />SSLG5 <br />0/0/1/1 <br />04/24/18-04/24/18(<) <br />0.2000 - 0.2000 <br />0.2000 <br />SSSPG10 <br />0/0/1/1 <br />06/06/18-06/06/18(<) <br />0.2000 - 0.2000 <br />0.2000 <br />SSSPG3 <br />0/0/1/1 <br />06/06/18-06/06/18(<) <br />0.2000 - 0.2000 <br />0.2000 <br />SSSPG4 <br />0/0/1/1 <br />06/06/18-06/06/18(<) <br />0.2000 - 0.2000 <br />0.2000 <br />SSSPG5 <br />0/0/1/1 <br />06/06/18-06/06/18(<) <br />0.2000 - 0.2000 <br />0.2000 <br />YSGF5 <br />0/0/3/3 <br />04/24/18-09/11/18(<) <br />0.2000 - 0.2000 <br />0.2000 <br />Mercury, Total <br />0.0000 <br />- 0.2000 <br />0 <br />none <br />Nickel, Dissolved <br />0.0000 <br />- 168.0000 <br />0 <br />none <br />Nickel, Dissolved <br />0.0000 <br />- 1513.0000 <br />0 <br />none <br />Nickel, Pot. Diss. <br />0.0000 <br />- 168.0000 <br />0 <br />none <br />Nickel, Pot. Diss. <br />0.0000 <br />- 1513.0000 <br />0 <br />none <br />Nitrate Nitrogen_N <br />0.0000 <br />- 100.0000 <br />0 <br />none <br />Nitrite Nitrogen_N <br />0.0000 <br />- 0.0500 <br />0 <br />none <br />Selenium, Dissolved <br />0.0000 <br />- 4.6000 <br />1 <br />SSSPG4 <br />1/0/0/1 <br />06/06/18-06/06/18 <br />11.8000 - 11.8000 <br />11.8000 <br />Selenium, Dissolved <br />0.0000 <br />- 18.4000 <br />0 <br />none <br />Selenium, Pot. Diss. <br />0.0000 <br />- 4.6000 <br />1 <br />SSSPG4 <br />1/0/0/1 <br />06/06/18-06/06/18 <br />11.2000 - 11.2000 <br />11.2000 <br />Selenium, Pot. Diss. <br />0.0000 <br />- 18.4000 <br />0 <br />none <br />Selenium, Total Rec. <br />0.0000 <br />- 4.6000 <br />1 <br />SSSPG4 <br />1/0/0/1 <br />06/06/18-06/06/18 <br />11.6000 - 11.6000 <br />11.6000 <br />Selenium, Total Rec. <br />0.0000 <br />- 18.4000 <br />0 <br />none <br />Silver, Dissolved <br />0.0000 <br />- 3.5000 <br />0 <br />none <br />Silver, Dissolved <br />0.0000 <br />- 22.0000 <br />0 <br />none <br />Silver, Pot. Diss. <br />0.0000 <br />- 3.5000 <br />0 <br />none <br />Silver, Pot. Diss. <br />0.0000 <br />- 22.0000 <br />0 <br />none <br />Sulfide <br />0.0000 <br />- 0.0200 <br />1 <br />YSGF5 <br />0/0/1/3 <br />09/11/18-09/11/18(<) <br />0.2000 - 0.2000 <br />0.2000 <br />Zinc, Dissolved <br />0.0000 <br />- 0.4280 <br />0 <br />none <br />Zinc, Dissolved <br />0.0000 <br />- 0.5650 <br />0 <br />none <br />