HEART RIVER BASIN 06347500 BIG MUDDY CREEK NEAR ALMONT, ND-Continued WATER-QUALITY RECORDS PERIOD OF RECORD.--Water year 1991 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... 1215 0.28 -- -- -- 2,260 14.0 7.5 -- -- -- -- -- MAR 09... 1500 315 7.9 7.1 556 546 12.0 0.5 87 18.2 10.1 10.1 4 10... 1245 1,070 -- -- -- 310 -2.0 0.0 -- -- -- -- -- 18... 1530 168 -- -- -- 638 -1.0 1.0 -- -- -- -- -- 22... 1200 183 -- -- -- 692 7.0 1.0 -- -- -- -- -- APR 22... 1640 9.6 -- -- -- 2,000 19.5 15.0 -- -- -- -- -- JUN 04... 1200 2.3 -- -- -- 2,220 27.5 20.5 -- -- -- -- -- JUL 26... 1235 1.5 -- -- -- 2,240 31.0 24.0 -- -- -- -- -- SEP 01... 1200 1.1 8.6 8.6 2,260 2,230 25.0 21.5 200 28.8 31.5 6.80 15 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... -- -- -- -- -- -- -- -- -- -- -- -- -- MAR 09... 88.1 66 128 4.4 0.11 7.98 135 345 299 1.9 340 <1 10 10... -- -- -- -- -- -- -- -- -- -- -- -- -- 18... -- -- -- -- -- -- -- -- -- -- -- -- -- 22... -- -- -- -- -- -- -- -- -- -- -- -- -- APR 22... -- -- -- -- -- -- -- -- -- -- -- -- -- JUN 04... -- -- -- -- -- -- -- -- -- -- -- -- -- JUL 26... -- -- -- -- -- -- -- -- -- -- -- -- -- SEP 01... 485 83 777 9.6 1.14 5.91 489 1,520 4.32 9.7 50 <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 02... -- -- -- -- -- MAR 09... 90 <0.20 1 <1 180 10... -- -- -- -- -- 18... -- -- -- -- -- 22... -- -- -- -- -- APR 22... -- -- -- -- -- JUN 04... -- -- -- -- -- JUL 26... -- -- -- -- -- SEP 01... <10 <0.20 6 <1 590 Remark codes used in this table: < -- Less than
