KNIFE RIVER BASIN 06339100 KNIFE RIVER AT MANNING, ND-Continued WATER-QUALITY RECORDS PERIOD OF RECORD.--Water year 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 15... 1040 0.55 -- -- -- 2,720 -2.0 6.5 -- -- -- -- -- NOV 24... 1540 1.8 -- -- -- 2,860 -5.0 0.0 -- -- -- -- -- JAN 08... 1125 0.41 -- -- -- 3,020 -10.0 0.0 -- -- -- -- -- MAR 17... 1640 70 7.7 6.9 369 357 10.0 1.0 62 14.9 6.10 7.40 3 APR 08... 1120 7.1 -- -- -- 1,250 5.0 5.0 -- -- -- -- -- MAY 21... 1315 2.0 -- -- -- 2,080 15.0 16.5 -- -- -- -- -- JUL 06... 1150 0.65 -- -- -- 2,320 20.0 18.0 -- -- -- -- -- SEP 02... 1510 0.08 8.8 8.6 2,780 2,800 31.0 18.8 210 29.0 32.9 9.10 18 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 15... -- -- -- -- -- -- -- -- -- -- -- -- -- NOV 24... -- -- -- -- -- -- -- -- -- -- -- -- -- JAN 08... -- -- -- -- -- -- -- -- -- -- -- -- -- MAR 17... 52.9 62 85 3.7 0.10 6.47 85.9 224 43.3 <1.0 380 <1 <10 APR 08... -- -- -- -- -- -- -- -- -- -- -- -- -- MAY 21... -- -- -- -- -- -- -- -- -- -- -- -- -- JUL 06... -- -- -- -- -- -- -- -- -- -- -- -- -- SEP 02... 608 86 785 12.5 1.00 <2.00 744 1,910 0.41 6.2 90 <1 60 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 15... -- -- -- -- -- NOV 24... -- -- -- -- -- JAN 08... -- -- -- -- -- MAR 17... 40 <0.20 1 <1 100 APR 08... -- -- -- -- -- MAY 21... -- -- -- -- -- JUL 06... -- -- -- -- -- SEP 02... 20 <0.20 5 8 600 Remark codes used in this table: < -- Less than
