RED RIVER OF THE NORTH BASIN 05100800 TONGUE RIVER ABOVE RENWICK DAM NEAR AKRA, ND-Continued WATER-QUALITY RECORDS PERIOD OF RECORD.--April 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) Specif. conduc- tance, wat unf uS/cm 25 degC (00095) Temper- ature, air, deg C (00020) Temper- ature, water, deg C (00010) Ammonia + org-N, water, unfltrd mg/L as N (00625) Ammonia water, unfltrd mg/L as N (00610) Nitrite + nitrate water unfltrd mg/L as N (00630) Organic nitro- gen, water, unfltrd mg/L (00605) Phos- phorus, water, unfltrd mg/L (00665) Total nitro- gen, water, unfltrd mg/L (00600) Suspnd. sedi- ment, sieve diametr percent <.063mm (70331) OCT 08... 1220 14 -- 640 21.0 12.0 -- -- -- -- -- -- -- MAR 29... 1430 564 8.7 294 1.5 0.5 0.73 0.225 2.64 0.51 0.428 3.4 99 APR 06... 0745 236 8.0 445 4.0 4.0 0.68 0.310 3.16 0.37 0.448 3.8 84 20... 1420 143 7.8 589 15.5 6.5 1.1 0.282 5.08 0.81 0.383 6.2 89 MAY 26... 0910 41 8.1 724 10.5 9.5 0.62 <0.010 1.21 -- 0.171 1.8 99 JUN 03... 0715 -- 7.9 647 12.5 15.5 0.46 <0.010 2.12 -- 0.557 2.6 77 28... 1515 11 7.6 690 31.5 19.0 0.47 0.115 0.140 0.36 0.183 0.61 100 AUG 19... 1235 1.3 7.8 587 16.0 15.0 0.48 <0.010 0.110 -- 0.182 0.59 18 SEP 14... 1100 5.0 7.6 588 13.0 14.5 0.47 <0.010 0.020 -- 0.228 0.49 73 WATER-QUALITY DATA, WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004 Date Sus- pended sedi- ment concen- tration mg/L (80154) Sus- pended sedi- ment dis- charge, tons/d (80155) OCT 08... -- -- MAR 29... 388 591 APR 06... 937 597 20... 465 180 MAY 26... 55 6.1 JUN 03... 1,060 -- 28... 15,100 456 AUG 19... 84 0.29 SEP 14... 279 3.7 Remark codes used in this table: < -- Less than
