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-26- <br />Table 3. Water quality parameters ci the North Fork of the Gunnison <br />River at Somerset, Colorado. <br />------ <br />----- <br />- <br />-- <br />- <br />-- <br />----- <br />--- <br />Parameter <br />----------------------- ----------------- <br />Feb. 1978 <br />----------------- ----------------- <br />May 1978 <br />----------------- ----------------- <br />Aug 1978 <br />------------------- <br />Average Flow (cfs) 63 1,725 217 <br />pH 7.9 - 8.4 <br />Ca (mg/1) 20.0 21.0 19.0 <br />Mg(mg/1) 3.5 4.1 2.9 <br />Na(mg/1) 8.1 8.3 4.9 <br />K(mg/1) 0.6 1.0 0.8 <br />HC03(mg/1) 79.0 86.0 73.0 <br />SO4(mg/Z) 12.0 14.0 15.0 <br />C1 (mg/1) 2.3 1.6 1.1 <br />Measured TDS(mg/1) 95.0 101.0 69.0 <br />TSS(mg/1) 30.0(2) 329.0(3) 204.0(3) <br />Sum of constituents <br />(meq/1) (1) 86.0 93.0 80.3 <br />Sum of cations(meq/1) 1.66 1.78 1.92 <br />Sum of anions (meq/I) <br />---------------------- I.60 <br />------------------ 1.75 <br />----------------- 1.54 <br />--------------------- <br />ICa + Mg + NR + K + HCO3/2 + SO4 + C1. <br />2Measured on March 13, 1979 <br />3Measured in 1979 <br /> <br />