RED RIVER OF THE NORTH BASIN 05052500 ANTELOPE CREEK AT DWIGHT, ND-Continued WATER-QUALITY RECORDS PERIOD OF RECORD.--March 2003 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 17... 1530 45 -- -- -- --e 4.5 0.0 -- -- -- -- -- APR 02... 0950 8.9 7.2 7.6 696 690 12.0 8.5 310 70.1 33.3 10.8 0.7 29... 1505 0.18 -- -- -- 1,140 11.5 13.0 -- -- -- -- -- MAY 31... 1630 1,860 -- -- -- 1,410 16.5 13.5 -- -- -- -- -- JUL 30... 0935 0.20 7.2 8.0 984 960 17.0 20.0 440 91.0 50.9 10.6 1 SEP 15... 1345 7.1 -- -- -- 521 11.0 17.5 -- -- -- -- -- 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) MAR 17... -- -- -- -- -- -- -- -- -- -- -- -- -- APR 02... 30.2 17 164 19.6 0.19 15.0 172 437 10.8 4.5 30 <1 40 29... -- -- -- -- -- -- -- -- -- -- -- -- -- MAY 31... -- -- -- -- -- -- -- -- -- -- -- -- -- JUL 30... 52.5 20 275 24.7 0.29 14.5 233 630 0.35 9.4 10 <1 70 SEP 15... -- -- -- -- -- -- -- -- -- -- -- -- -- 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) MAR 17... -- -- -- -- -- APR 02... 130 <0.20 2 3 300 29... -- -- -- -- -- MAY 31... -- -- -- -- -- JUL 30... 490 <0.20 4 2 440 SEP 15... -- -- -- -- -- Remark codes used in this table: < -- Less than Null value qualifier codes used in this table: e -- Required equipment not functional/avail
