CANNONBALL RIVER BASIN 06350000 CANNONBALL RIVER AT REGENT, ND-Continued WATER-QUALITY RECORDS PERIOD OF RECORD.--Water years 1964-66, 1971 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 10... 1320 1.9 -- -- -- 1,320 19.0 13.0 -- -- -- -- -- NOV 20... 1230 3.7 -- -- -- 2,060 0.5 1.5 -- -- -- -- -- JAN 09... 1145 0.98 -- -- -- 2,220 0.5 0.5 -- -- -- -- -- FEB 25... 1530 4.2 -- -- -- 1,790 8.5 1.0 -- -- -- -- -- MAR 12... 1415 1,090 -- -- -- 274 14.0 2.0 -- -- -- -- -- 17... 1310 151 8.0 7.0 530 535 11.5 3.5 130 27.8 15.6 9.60 2 APR 12... 1530 15 -- -- -- 1,720 13.5 7.5 -- -- -- -- -- JUN 03... 1300 4.5 -- -- -- 1,640 23.5 16.0 -- -- -- -- -- JUL 14... 1315 4.1 -- -- -- 1,660 32.0 25.0 -- -- -- -- -- AUG 27... 1030 3.0 8.6 8.5 1,760 1,740 15.0 18.0 260 35.7 40.1 8.10 9 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 10... -- -- -- -- -- -- -- -- -- -- -- -- -- NOV 20... -- -- -- -- -- -- -- -- -- -- -- -- -- JAN 09... -- -- -- -- -- -- -- -- -- -- -- -- -- FEB 25... -- -- -- -- -- -- -- -- -- -- -- -- -- MAR 12... -- -- -- -- -- -- -- -- -- -- -- -- -- 17... 62.1 48 99 3.3 0.14 7.89 154 334 139 1.1 210 <1 10 APR 12... -- -- -- -- -- -- -- -- -- -- -- -- -- JUN 03... -- -- -- -- -- -- -- -- -- -- -- -- -- JUL 14... -- -- -- -- -- -- -- -- -- -- -- -- -- AUG 27... 313 72 355 15.3 0.51 <2.00 551 1,180 9.60 4.9 10 <1 50 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 10... -- -- -- -- -- NOV 20... -- -- -- -- -- JAN 09... -- -- -- -- -- FEB 25... -- -- -- -- -- MAR 12... -- -- -- -- -- 17... 170 <0.20 2 <1 300 APR 12... -- -- -- -- -- JUN 03... -- -- -- -- -- JUL 14... -- -- -- -- -- AUG 27... 10 <0.20 5 1 860 Remark codes used in this table: < -- Less than
