RED RIVER OF THE NORTH BASIN 05056241 DRY LAKE NEAR PENN, ND-Continued WATER-QUALITY RECORDS PERIOD OF RECORD.--Water year 1993 to current year. WATER-QUALITY DATA, WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004 Date Time Depth to bottom of samplng intrval meters (82048) Depth to top of samplng intrval meters (82047) pH, water, unfltrd lab, std units (00403) Specif. conduc- tance, wat unf lab, uS/cm 25 degC (90095) 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) Sodium, water, fltrd, mg/L (00930) Sodium, percent (00932) ANC, wat unf fixed end pt, lab, mg/L as CaCO3 (90410) OCT 01... 1430 1.1 0.00 8.1 1,090 380 80.4 43.6 22.0 2 88.9 32 279 MAR 03... 1440 1.4 0.80 7.8 1,920 750 158 87.2 36.8 3 176 32 533 MAY 10... 1500 1.9 0.00 8.7 707 220 49.1 24.6 13.6 2 53.6 32 150 AUG 02... 1440 1.4 0.00 8.9 866 280 53.7 35.0 16.6 2 70.0 34 192 WATER-QUALITY DATA, WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004 Date 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) Ammonia + org-N, water, unfltrd mg/L as N (00625) Ammonia water, fltrd, mg/L as N (00608) Nitrate water, fltrd, mg/L as N (00618) Nitrite + nitrate water fltrd, mg/L as N (00631) Nitrite water, fltrd, mg/L as N (00613) Organic nitro- gen, water, unfltrd mg/L (00605) Ortho- phos- phate, water, fltrd, mg/L as P (00671) Phos- phorus, water, unfltrd mg/L (00665) OCT 01... 34.6 0.21 32.2 288 727 2.5 E.03n 0.10 0.11 0.009 -- 0.40 0.57 MAR 03... 65.2 0.31 19.2 521 1,370 4.2 1.07 -- <0.06 E.007n 3.1 0.93 1.22 MAY 10... 19.5 0.13 3.72 178 430 2.1 <0.04 -- 0.21 <0.008 -- 0.12 0.42 AUG 02... 26.2 0.15 11.1 233 552 5.5d 0.05 -- <0.06 <0.008 5.4 0.18 0.47 WATER-QUALITY DATA, WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004 Date Total nitro- gen, water, unfltrd mg/L (00600) Chloro- phyll a phyto- plank- ton, fluoro, ug/L (70953) Chloro- phyll b phyto- plank- ton, fluoro, ug/L (70954) 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) 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 01... 2.6 33.9d <0.1 13.1 20 <1 50 <10 <0.20 2 2 330 MAR 03... -- 1.3d 0.3d 19.1 80 <1 100 1,920 <0.20 4 3 600 MAY 10... 2.3 E113d 0.7d 6.7 20 <1 30 10 <0.20 2 2 180 AUG 02... -- E47.9d <0.1d 7.9 60 <1 50 90 <0.20 2 2 220 Remark codes used in this table: < -- Less than E -- Estimated value Value qualifier codes used in this table: d -- Diluted sample: method hi range exceeded n -- Below the LRL and above the LT-MDL WATER-QUALITY DATA, WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004 Date Time Depth of lake, maximum meters (85310) Ice thick- ness, feet (82130) Sam- pling depth, meters (00098) Trans- parency Secchi disc, inches (00077) Wind direc- tion, clkwise from north, degrees (00036) Wind speed, mph (00035) Baro- metric pres- sure, mm Hg (00025) Dis- solved oxygen, mg/L (00300) Dis- solved oxygen, percent of sat- uration (00301) pH, water, unfltrd field, std units (00400) Specif. conduc- tance, wat unf uS/cm 25 degC (00095) Temper- ature, air, deg C (00020) OCT 01... 1425 1.1 -- 0.00 7.20 150 <5.0 744 12.0 106 8.9 1,090 16.0 01... 1426 -- -- 0.50 -- -- -- -- 11.7 -- 8.9 1,090 -- 01... 1427 -- -- 1.0 -- -- -- -- 11.2 -- 9.0 1,100 -- 01... 1428 -- -- 1.1 -- -- -- -- 10.2 -- 8.9 1,110 -- MAR 03... 1435 1.4 2.10 0.80 31.2 30 <5.0 739 1.0 7 7.4 1,990 -4.0 03... 1436 -- -- 1.4 -- -- -- -- 0.8 -- 7.4 2,010 -- MAY 10... 1455 1.9 -- 0.00 48.0 5 <5.0 743 12.4 123 9.0 704 15.5 10... 1456 -- -- 0.80 -- -- -- -- 12.3 -- 9.0 705 -- 10... 1457 -- -- 1.9 -- -- -- -- 12.4 -- 9.0 705 -- AUG 02... 1437 1.4 -- 0.00 20.4 45 <5.0 737 14.7 177 9.3 820 29.5 02... 1438 -- -- 1.0 -- -- -- -- 11.5 -- 9.2 824 -- 02... 1439 -- -- 1.4 -- -- -- -- 11.3 -- 9.2 825 -- WATER-QUALITY DATA, WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004 Date Temper- ature, water, deg C (00010) OCT 01... 8.8 01... 8.6 01... 7.5 01... 6.7 MAR 03... 0.6 03... 0.9 MAY 10... 13.6 10... 13.5 10... 13.5 AUG 02... 22.7 02... 21.9 02... 21.8 Remark codes used in this table: < -- Less than
