RED RIVER OF THE NORTH BASIN 05056100 MAUVAIS COULEE NEAR CANDO, 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 02... 1210 0.04 -- -- -- 1,400 13.0 8.5 -- -- -- -- -- MAR 11... 1135 0.04 -- -- -- 2,170 -- 0.5 -- -- -- -- -- 29... 1420 122 -- -- -- 355 -0.5 0.5 -- -- -- -- -- APR 14... 1130 448 7.1 7.6 564 570 7.5 6.0 220 47.2 25.7 12.2 0.8 MAY 26... 1540 104 8.0 8.1 1,260 1,260 18.0 13.5 560 105 71.8 14.0 2 JUN 09... 1615 307 -- -- -- 1,100 16.0 17.0 -- -- -- -- -- 29... 1055 82 -- -- -- 1,100 22.0 20.5 -- -- -- -- -- AUG 20... 0835 18 7.9 8.4 1,210 1,200 7.0 14.5 450 75.7 63.7 9.90 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) 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) OCT 02... -- -- -- -- -- -- -- -- -- -- -- -- -- MAR 11... -- -- -- -- -- -- -- -- -- -- -- -- -- 29... -- -- -- -- -- -- -- -- -- -- -- -- -- APR 14... 28.0 20 126 10.6 0.13 21.9 144 352 450 0.63 0.57 0.056 <0.010 MAY 26... 91.7 26 252 27.7 -- 13.1 407 871 248 1.4 1.4 <0.010 <0.010 JUN 09... -- -- -- -- -- -- -- -- -- -- -- -- -- 29... -- -- -- -- -- -- -- -- -- -- -- -- -- AUG 20... 73.6 26 311 22.1 0.20 2.99 337 770 38.4 1.8 1.8 <0.010 <0.010 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) OCT 02... -- -- -- -- -- -- -- -- -- -- -- -- -- MAR 11... -- -- -- -- -- -- -- -- -- -- -- -- -- 29... -- -- -- -- -- -- -- -- -- -- -- -- -- APR 14... 1.47 1.47 0.57 0.51 0.287 0.324 2.1 2.0 3.8 160 <1 30 20 MAY 26... <0.020 0.060 -- -- 0.233 0.258 1.4 1.4 4.3 60 <1 70 80 JUN 09... -- -- -- -- -- -- -- -- -- -- -- -- -- 29... -- -- -- -- -- -- -- -- -- -- -- -- -- AUG 20... <0.020 0.020 -- -- 0.293 0.307 1.8 1.8 7.9 40 <1 70 20 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) OCT 02... -- -- -- -- MAR 11... -- -- -- -- 29... -- -- -- -- APR 14... <0.20 2 2 170 MAY 26... <0.20 3 2 380 JUN 09... -- -- -- -- 29... -- -- -- -- AUG 20... <0.20 <1 1 380 Remark codes used in this table: < -- Less than
