RED RIVER OF THE NORTH BASIN 05056270 BIG COULEE BELOW CHURCHS FERRY, ND-Continued WATER-QUALITY RECORDS PERIOD OF RECORD.--Water years 1958, 1961-99, 2001 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 02... 1535 -96 -- -- -- 1,520 12.0 7.5 -- -- -- -- -- APR 09... 0825 1,180 8.3 7.7 941 963 1.5 2.0 340 64.4 44.6 15.0 2 28... 1125 393 8.8 8.2 1,020 1,030 17.0 10.5 390 73.4 50.7 16.8 2 MAY 26... 1645 591 -- -- -- 1,090 15.5 12.0 -- -- -- -- -- AUG 24... 0845 -252 -- -- -- 1,120 13.0 15.0 -- -- -- -- -- 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 02... -- -- -- -- -- -- -- -- -- -- -- -- -- APR 09... 68.7 29 212 30.3 0.13 19.1 246 599 1,960 5.5 140 <1 60 28... 76.5 29 248 32.2 0.14 16.6 267 668 724 7.4 20 <1 60 MAY 26... -- -- -- -- -- -- -- -- -- -- -- -- -- AUG 24... -- -- -- -- -- -- -- -- -- -- -- -- -- 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 02... -- -- -- -- -- APR 09... 420 <0.20 2 2 260 28... <10 <0.20 2 1 290 MAY 26... -- -- -- -- -- AUG 24... -- -- -- -- -- Remark codes used in this table: < -- Less than
