RED RIVER OF THE NORTH BASIN 05060500 RUSH RIVER AT AMENIA, 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) NOV 03... 1205 1.4 -- -- -- 1,450 -2.0 2.5 -- -- -- -- -- DEC 22... 1350 0.48 -- -- -- 1,080 -1.0 0.0 -- -- -- -- -- FEB 02... 1410 0.32 -- -- -- 1,940 -17.5 0.0 -- -- -- -- -- MAR 08... 1700 1.0 -- -- -- 1,610 2.0 0.0 -- -- -- -- -- 29... 1320 716 7.8 7.0 563 560 4.5 4.5 240 58.6 23.4 10.4 0.5 APR 02... 1535 107 -- -- -- 595 16.5 8.0 -- -- -- -- -- MAY 07... 1005 2.5 -- -- -- 982 12.5 12.0 -- -- -- -- -- JUN 17... 1340 6.3 -- -- -- 1,080 -- 20.0 -- -- -- -- -- JUL 13... 1030 206 -- -- -- 453 18.3 23.0 -- -- -- -- -- AUG 04... 0950 5.5 7.5 8.2 957 950 20.7 21.5 480 111 48.5 8.40 0.7 SEP 01... 1157 0.06 -- -- -- 1,060 20.5 19.0 -- -- -- -- -- 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) NOV 03... -- -- -- -- -- -- -- -- -- -- -- -- -- DEC 22... -- -- -- -- -- -- -- -- -- -- -- -- -- FEB 02... -- -- -- -- -- -- -- -- -- -- -- -- -- MAR 08... -- -- -- -- -- -- -- -- -- -- -- -- -- 29... 19.3 14 104 7.5 0.19 18.1 149 333 676 3.3 70 <1 40 APR 02... -- -- -- -- -- -- -- -- -- -- -- -- -- MAY 07... -- -- -- -- -- -- -- -- -- -- -- -- -- JUN 17... -- -- -- -- -- -- -- -- -- -- -- -- -- JUL 13... -- -- -- -- -- -- -- -- -- -- -- -- -- AUG 04... 36.9 14 266 9.7 0.27 13.8 261 638 9.74 10.5 -- 7 80 SEP 01... -- -- -- -- -- -- -- -- -- -- -- -- -- 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) NOV 03... -- -- -- -- -- DEC 22... -- -- -- -- -- FEB 02... -- -- -- -- -- MAR 08... -- -- -- -- -- 29... 180 <0.20 2 <1 230 APR 02... -- -- -- -- -- MAY 07... -- -- -- -- -- JUN 17... -- -- -- -- -- JUL 13... -- -- -- -- -- AUG 04... 140 <0.20 3 2 480 SEP 01... -- -- -- -- -- Remark codes used in this table: < -- Less than
