RED RIVER OF THE NORTH BASIN 05100000 PEMBINA RIVER AT NECHE, 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) OCT 06... 1535 20 -- -- -- 925 22.0 15.0 -- -- -- -- -- JAN 13... 1025 6.2 -- -- -- 801 -11.5 0.0 -- -- -- -- -- APR 01... 1025 5,840 7.6 7.5 350 --e 7.0 0.5 100 27.4 8.40 5.50 0.8 07... 1545 3,200 -- -- -- 439 8.5 7.0 -- -- -- -- -- JUN 04... 1135 1,560 -- -- -- 800 -- 16.0 -- -- -- -- -- 09... 1120 2,400 -- -- -- 599 16.0 16.5 -- -- -- -- -- JUL 13... 1020 489 -- -- -- 832 -- 23.5 -- -- -- -- -- AUG 25... 1355 218 8.3 8.4 852 887 23.5 17.1 330 78.6 32.0 9.70 1 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 06... -- -- -- -- -- -- -- -- -- -- -- -- -- JAN 13... -- -- -- -- -- -- -- -- -- -- -- -- -- APR 01... 18.0 26 96 4.6 0.22 13.4 60.0 184 3,080 2.8 80 <1 20 07... -- -- -- -- -- -- -- -- -- -- -- -- -- JUN 04... -- -- -- -- -- -- -- -- -- -- -- -- -- 09... -- -- -- -- -- -- -- -- -- -- -- -- -- JUL 13... -- -- -- -- -- -- -- -- -- -- -- -- -- AUG 25... 52.8 25 243 14.1 0.24 25.1 202 536 330 7.0 50 <1 60 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 06... -- -- -- -- -- JAN 13... -- -- -- -- -- APR 01... 170 <0.20 3 3 120 07... -- -- -- -- -- JUN 04... -- -- -- -- -- 09... -- -- -- -- -- JUL 13... -- -- -- -- -- AUG 25... 20 <0.20 4 2 380 Remark codes used in this table: < -- Less than Null value qualifier codes used in this table: e -- Required equipment not functional/avail
