KNIFE RIVER BASIN 06339500 KNIFE RIVER NEAR GOLDEN VALLEY, ND-Continued WATER-QUALITY RECORDS PERIOD OF RECORD.--Water years 1950, 1964-65, 1972 to current year. WATER-QUALITY DATA, WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004 Date Time Instan- taneous dis- charge, cfs (00061) pH, water, unfltrd field, std units (00400) pH, water, unfltrd lab, std units (00403) Specif. conduc- tance, wat unf lab, uS/cm 25 degC (90095) Specif. conduc- tance, wat unf uS/cm 25 degC (00095) Temper- ature, air, deg C (00020) Temper- ature, water, deg C (00010) Hard- ness, water, mg/L as CaCO3 (00900) Calcium water, fltrd, mg/L (00915) Magnes- ium, water, fltrd, mg/L (00925) Potas- sium, water, fltrd, mg/L (00935) Sodium adsorp- tion ratio (00931) OCT 01... 1115 4.1 -- -- -- 2,480 -3.0 6.5 -- -- -- -- -- NOV 19... 1000 9.2 -- -- -- 2,540 -2.0 0.0 -- -- -- -- -- JAN 08... 1430 2.8 -- -- -- 2,730 -5.0 0.0 -- -- -- -- -- FEB 26... 1235 8.1 -- -- -- 2,980 -5.0 0.5 -- -- -- -- -- MAR 17... 1110 575 7.6 6.9 442 440 -5.0 1.0 83 18.5 9.00 9.20 3 APR 07... 1115 46 -- -- -- 1,280 5.0 5.0 -- -- -- -- -- MAY 26... 1300 13 -- -- -- 2,390 15.0 14.0 -- -- -- -- -- JUN 28... 1045 6.1 -- -- -- 1,950 15.0 20.5 -- -- -- -- -- AUG 25... 1240 2.5 8.6 8.6 2,520 2,470 24.0 22.1 250 35.5 38.8 10.3 14 WATER-QUALITY DATA, WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004 Date Sodium, water, fltrd, mg/L (00930) Sodium, percent (00932) ANC, wat unf fixed end pt, lab, mg/L as CaCO3 (90410) Chlor- ide, water, fltrd, mg/L (00940) Fluor- ide, water, fltrd, mg/L (00950) Silica, water, fltrd, mg/L (00955) Sulfate water, fltrd, mg/L (00945) Residue water, fltrd, sum of consti- tuents mg/L (70301) Residue water, fltrd, tons/d (70302) Arsenic water, fltrd, ug/L (01000) Iron, water, fltrd, ug/L (01046) Lead, water, fltrd, ug/L (01049) Lithium water, fltrd, ug/L (01130) OCT 01... -- -- -- -- -- -- -- -- -- -- -- -- -- NOV 19... -- -- -- -- -- -- -- -- -- -- -- -- -- JAN 08... -- -- -- -- -- -- -- -- -- -- -- -- -- FEB 26... -- -- -- -- -- -- -- -- -- -- -- -- -- MAR 17... 59.6 58 97 2.4 0.12 7.07 110 269 426 <1.0 380 <1 <10 APR 07... -- -- -- -- -- -- -- -- -- -- -- -- -- MAY 26... -- -- -- -- -- -- -- -- -- -- -- -- -- JUN 28... -- -- -- -- -- -- -- -- -- -- -- -- -- AUG 25... 491 80 625 8.1 0.59 5.08 710 1,670 11.4 6.0 30 <1 70 WATER-QUALITY DATA, WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004 Date Mangan- ese, water, fltrd, ug/L (01056) Mercury water, fltrd, ug/L (71890) Molyb- denum, water, fltrd, ug/L (01060) Selen- ium, water, fltrd, ug/L (01145) Stront- ium, water, fltrd, ug/L (01080) OCT 01... -- -- -- -- -- NOV 19... -- -- -- -- -- JAN 08... -- -- -- -- -- FEB 26... -- -- -- -- -- MAR 17... 80 <0.20 1 <1 180 APR 07... -- -- -- -- -- MAY 26... -- -- -- -- -- JUN 28... -- -- -- -- -- AUG 25... <10 <0.20 7 1 770 Remark codes used in this table: < -- Less than
