RED RIVER OF THE NORTH BASIN 05056239 STARKWEATHER COULEE NEAR WEBSTER, ND-Continued WATER-QUALITY RECORDS PERIOD OF RECORD.--Water year 1980 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) MAR 28... 1815 115 -- -- -- 451 1.5 0.5 -- -- -- -- -- APR 09... 1130 908 7.9 7.7 440 451 0.0 3.5 170 40.1 16.5 13.0 0.6 MAY 19... 1500 34 8.8 8.7 1,240 1,240 17.5 17.0 500 99.5 60.7 18.0 2 JUN 30... 0805 4.6 -- -- -- 1,240 8.5 21.0 -- -- -- -- -- 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) Ammonia + org-N, water, fltrd, mg/L as N (00623) Ammonia + org-N, water, unfltrd mg/L as N (00625) Ammonia water, fltrd, mg/L as N (00608) Ammonia water, unfltrd mg/L as N (00610) MAR 28... -- -- -- -- -- -- -- -- -- -- -- -- -- APR 09... 18.7 18 103 10.6 0.15 18.4 94.0 267 697 1.0 0.50 0.122 0.108 MAY 19... 81.3 25 189 49.8 0.18 <2.00 431 858 77.8 1.2 1.4 <0.010 <0.010 JUN 30... -- -- -- -- -- -- -- -- -- -- -- -- -- WATER-QUALITY DATA, WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004 Date Nitrite + nitrate water fltrd, mg/L as N (00631) Nitrite + nitrate water unfltrd mg/L as N (00630) Organic nitro- gen, water, fltrd, mg/L (00607) Organic nitro- gen, water, unfltrd mg/L (00605) Phos- phorus, water, fltrd, mg/L (00666) Phos- phorus, water, unfltrd mg/L (00665) Total nitro- gen, water, fltrd, mg/L (00602) Total nitro- gen, water, unfltrd mg/L (00600) Arsenic water, fltrd, ug/L (01000) Iron, water, fltrd, ug/L (01046) Lead, water, fltrd, ug/L (01049) Lithium water, fltrd, ug/L (01130) Mangan- ese, water, fltrd, ug/L (01056) MAR 28... -- -- -- -- -- -- -- -- -- -- -- -- -- APR 09... 2.37 2.20 0.92 0.39 0.446 0.504 3.4 2.7 5.5 110 <1 20 20 MAY 19... 0.604 0.600 -- -- 0.135 0.181 1.8 2.0 6.2 -- <1 60 20 JUN 30... -- -- -- -- -- -- -- -- -- -- -- -- -- WATER-QUALITY DATA, WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004 Date 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) MAR 28... -- -- -- -- APR 09... <0.20 2 4 130 MAY 19... <0.20 4 4 340 JUN 30... -- -- -- -- Remark codes used in this table: < -- Less than
