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<br />;1 <br /> <br />, <br /> <br />il <br />il <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />!I <br />! I <br /> <br />TABLE 4.5 <br />WATER QUAUTY FOR lHE CACHE LA POUDRE RIVER <br />NEAR FORT COWNS, COLORADO FOR WATER YEARS <br />1985-1989 <br /> <br /> . " RANGE .,' <br />, ....,.... ...'.i> ..i PARAMETER..,...........'.....,..',....,. , ",.. .......','....,.LOW,. HIGH , J UMIT <br />Specific Conductance (micromhos) 38 1090 None <br />pH (units) 6.7 8,6 None <br />Hardness (mg/l) 12 250 None <br />Alkalinity (mg/l) 12 176 None <br />Sulfate (mg/l) 50 510 250 <br />Nitrogen (Nitrate + Nitrite) (mg/l as N) .50U 1.00U 10 <br />Copper (ug/l) .5U ,5U 1000 <br />Iron (ug/l) l00U 1500 300 <br />Lead (ug/l) 05U 18 50 <br />Manganese (ug/l) 50U 80 50 <br />Zinc (ug/l) IOU 34 5000 <br /> <br />U = Less Than <br /> <br />The water quality of the Cache La Poudre River is generally excellent for domestic municipal, <br />industrial and agricultural purposes. It is low in heavy metals and dissolved solids. The <br />unusually high volumes given for several of the chemical constituents usually occurred only in <br />a single sample. The reasons for the occasional high results are not known. <br /> <br />4-10 <br />