RED RIVER OF THE NORTH BASIN 05090000 PARK RIVER AT GRAFTON, ND-Continued WATER-QUALITY RECORDS PERIOD OF RECORD.--Water year 1969 to current year. REMARKS.--Quality assurance sample also collected at this location. 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) APR 08... 1100 1,040 7.1 7.0 596 605 0.5 6.0 210 53.8 19.5 8.40 1 JUN 03... 1215 759 -- -- -- 564 20.5 16.5 -- -- -- -- -- JUL 16... 1125 53 -- -- -- 1,120 -- 23.0 -- -- -- -- -- AUG 23... 1300 6.4 8.4 8.2 1,400 1,460 14.4 15.1 470 102 53.2 9.10 2 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) APR 08... 36.3 26 106 20.3 0.22 19.7 150 354 1,050 2.6 70 <1 30 JUN 03... -- -- -- -- -- -- -- -- -- -- -- -- -- JUL 16... -- -- -- -- -- -- -- -- -- -- -- -- -- AUG 23... 116 34 264 96.2 0.34 19.5 365 902 15.8 5.7 20 4 80 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) APR 08... 70 <0.20 2 1 210 JUN 03... -- -- -- -- -- JUL 16... -- -- -- -- -- AUG 23... 190 <0.20 6 4 500 Remark codes used in this table: < -- Less than
