RED RIVER OF THE NORTH BASIN
05056200 EDMORE COULEE NEAR EDMORE, ND
LOCATION.--Lat 48o20'14", long 98o39'33", in NW1/4NW1/4 sec.17, T.156 N., R.62 W., Ramsey County, Hydrologic Unit 09020201, on
right bank 50 ft upstream from bridge on county highway, 11 mi southwest of Edmore, and about 13 mi upstream from Sweetwater
Lake.
DRAINAGE AREA.--382 mi2, of which about 100 mi2 is probably noncontributing.
WATER-DISCHARGE RECORDS
PERIOD OF RECORD.--April to June 1956, June 1957 to current year (seasonal records only since 1982).
REVISED RECORDS.--WSP 1728: Drainage area.
GAGE.--Water-stage recorder. Datum of gage is 1,400.00 ft above sea level. June 26, 1957, to Sept. 30, 1985, water-stage
recorder at same site at a datum of 1,479.79 ft above sea level. Prior to June 26, 1957, nonrecording gage at same site and
datum.
REMARKS.--Records fair.
EXTREMES FOR CURRENT YEAR.--Maximum discharge, about 870 ft3/s, Apr. 2, estimated, backwater from ice; maximum gage height,
87.15 ft, Mar. 31, backwater from ice; no flow many days.
DISCHARGE, CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1998 TO SEPTEMBER 1999
DAILY MEAN VALUES
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
1 --- --- --- --- --- e.00 e850 e43 12 8.1 4.3 1.3
2 --- --- --- --- --- e.00 e870 e39 12 7.3 3.7 1.1
3 --- --- --- --- --- e.00 820 e35 11 6.7 3.4 1.0
4 --- --- --- --- --- e.00 767 e31 11 6.2 3.0 1.0
5 --- --- --- --- --- e.00 538 e30 10 6.0 2.5 1.2
6 --- --- --- --- --- e.00 388 e29 8.9 5.1 2.1 1.1
7 --- --- --- --- --- e.00 299 e28 9.2 4.4 1.8 .91
8 --- --- --- --- --- e.00 354 e29 8.6 4.8 1.5 .79
9 --- --- --- --- --- e.00 365 e32 6.4 5.1 1.4 .70
10 --- --- --- --- --- e.00 433 e36 5.9 5.6 1.1 .59
11 --- --- --- --- --- e.00 506 e40 5.5 5.5 1.5 .51
12 --- --- --- --- --- e.00 543 e47 5.2 4.9 2.1 .49
13 --- --- --- --- --- e.00 564 e60 5.6 4.6 2.3 .46
14 --- --- --- --- --- e.00 486 e80 5.4 6.4 2.1 .40
15 --- --- --- --- --- e.00 399 97 5.4 9.5 2.1 .35
16 --- --- --- --- --- e.00 327 62 5.1 22 3.7 .29
17 --- --- --- --- --- e.00 261 62 4.8 11 3.9 .24
18 --- --- --- --- --- e.00 205 65 4.4 7.4 3.3 .21
19 --- --- --- --- --- e.00 173 65 3.7 8.8 3.7 .19
20 --- --- --- --- --- e.00 159 53 3.0 8.6 3.6 .17
21 --- --- --- --- --- e.00 148 42 3.1 7.0 3.6 .15
22 --- --- --- --- --- e.00 135 39 3.3 7.8 3.7 .14
23 --- --- --- --- --- e.01 128 33 3.3 10 4.2 .12
24 --- --- --- --- --- e.05 112 30 2.7 11 4.8 .11
25 --- --- --- --- --- e.50 94 27 2.5 9.6 4.7 .11
26 --- --- --- --- --- e1.5 82 25 23 8.6 4.1 .11
27 --- --- --- --- --- e5.0 66 22 10 7.5 3.4 .11
28 --- --- --- --- --- e35 e59 19 6.5 6.6 2.8 .10
29 --- --- --- --- --- e120 e53 16 6.8 5.8 2.1 .09
30 --- --- --- --- --- e350 e48 13 8.0 5.2 1.7 .08
31 --- --- --- --- --- e800 --- 13 --- 4.7 1.5 ---
TOTAL --- --- --- --- --- 1312.06 10232 1242 212.3 231.8 89.7 14.12
MEAN --- --- --- --- --- 42.3 341 40.1 7.08 7.48 2.89 .47
MAX --- --- --- --- --- 800 870 97 23 22 4.8 1.3
MIN --- --- --- --- --- .00 48 13 2.5 4.4 1.1 .08
AC-FT --- --- --- --- --- 2600 20300 2460 421 460 178 28
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1957 - 1999, BY WATER YEAR (WY)
MEAN .97 .32 .055 .000 .44 28.2 121 37.2 9.66 19.8 15.9 1.84
MAX 9.79 5.73 .98 .000 11.6 232 529 309 141 306 437 45.4
(WY) 1986 1981 1981 1958 1981 1995 1997 1997 1998 1993 1993 1993
MIN .000 .000 .000 .000 .000 .000 .000 .000 .000 .000 .000 .000
(WY) 1959 1959 1958 1958 1959 1960 1991 1958 1958 1958 1958 1958
SUMMARY STATISTICS WATER YEARS 1957 - 1999
ANNUAL MEAN a 14.2
HIGHEST ANNUAL MEAN a 47.7 1974
LOWEST ANNUAL MEAN a .028 1958
HIGHEST DAILY MEAN 1770 Apr 24 1997
LOWEST DAILY MEAN .00 Jul 1 1957
ANNUAL SEVEN-DAY MINIMUM .00 Jul 1 1957
INSTANTANEOUS PEAK FLOW 1830 Apr 24 1997
INSTANTANEOUS PEAK STAGE 87.95 Apr 24 1997
ANNUAL RUNOFF (AC-FT) a 10280
10 PERCENT EXCEEDS 36
50 PERCENT EXCEEDS .00
90 PERCENT EXCEEDS .00
a Based on complete water years only (1958-82, 1994)
e Estimated
WATER-QUALITY RECORDS
PERIOD OF RECORD.--Water year 1972 to current year.
WATER-QUALITY DATA, WATER YEAR OCTOBER 1998 TO SEPTEMBER 1999
DIS- BARO- OXYGEN, PH PH SPE-
CHARGE, METRIC DIS- WATER WATER CIFIC SPE-
INST. PRES- SOLVED WHOLE WHOLE CON- CIFIC
CUBIC SURE (PER- OXYGEN, FIELD LAB DUCT- CON- TEMPER- TEMPER-
FEET (MM CENT DIS- (STAND- (STAND- ANCE DUCT- ATURE ATURE
DATE TIME PER OF SATUR- SOLVED ARD ARD LAB ANCE AIR WATER
SECOND HG) ATION) (MG/L) UNITS) UNITS) (US/CM) (US/CM) (DEG C) (DEG C)
(00061) (00025) (00301) (00300) (00400) (00403) (90095) (00095) (00020) (00010)
MAR
29... 1600 120 -- -- 10.8 7.1 7.3 506 485 8.0 1.5
31... 1100 812 -- -- -- -- -- -- 460 5.0 1.0
APR
07... 1145 291 717 89 11.5 7.8 7.6 604 603 5.0 2.0
14... 1120 493 -- -- -- -- -- -- 546 7.5 8.5
MAY
04... 0910 31 710 91 8.5 8.3 8.1 905 917 15.0 15.0
JUN
08... 1555 8.7 722 176 13.5 8.9 9.0 1300 1370 27.0 25.7
AUG
03... 0815 3.4 730 9 4.2 8.4 8.5 1360 1360 15.5 20.5
ANC
HARD- MAGNE- POTAS- SODIUM UNFLTRD CHLO- FLUO-
NESS CALCIUM SIUM, SIUM, AD- SODIUM, TIT 4.5 RIDE, RIDE, SULFATE
TOTAL DIS- DIS- DIS- SORP- DIS- LAB DIS- DIS- DIS-
(MG/L SOLVED SOLVED SOLVED TION SOLVED (MG/L SOLVED SOLVED SOLVED
DATE AS (MG/L (MG/L (MG/L RATIO SODIUM (MG/L AS (MG/L (MG/L (MG/L
CACO3) AS CA) AS MG) AS K) PERCENT AS NA) CACO3) AS CL) AS F) AS SO4)
(00900) (00915) (00925) (00935) (00931) (00932) (00930) (90410) (00940) (00950) (00945)
MAR
29... 170 39 18 14 1 26 30 86 5.3 .10 150
31... -- -- -- -- -- -- -- -- -- -- --
APR
07... 210 48 21 14 1 28 40 117 13 .10 170
14... -- -- -- -- -- -- -- -- -- -- --
MAY
04... 360 82 38 22 1 24 56 233 22 .20 250
JUN
08... 440 80 59 18 3 40 140 271 34 .20 430
AUG
03... 410 75 55 19 3 44 160 322 39 .20 390
NITRO- NITRO- NITRO- NITRO- NITRO- PHOS- SOLIDS,
GEN, GEN,AM- GEN, GEN, NITRO- GEN, PHORUS SOLIDS, RESIDUE
AMMONIA MONIA + NITRATE NO2+NO3 GEN, NITRO- NITRITE ORTHO, PHOS- DIS- AT 180
DIS- ORGANIC DIS- DIS- ORGANIC GEN, DIS- DIS- PHORUS SOLVED DEG. C
SOLVED TOTAL SOLVED SOLVED TOTAL TOTAL SOLVED SOLVED TOTAL (TONS DIS-
DATE (MG/L (MG/L (MG/L (MG/L (MG/L (MG/L (MG/L (MG/L (MG/L PER SOLVED
AS N) AS N) AS N) AS N) AS N) AS N) AS N) AS P) AS P) DAY) (MG/L)
(00608) (00625) (00618) (00631) (00605) (00600) (00613) (00671) (00665) (70302) (70300)
MAR
29... .424 1.5 1.60 1.65 1.1 3.1 .048 .526 .587 104 320
31... -- -- -- -- -- -- -- -- -- -- --
APR
07... .178 1.5 1.67 1.73 1.3 3.2 .060 .436 .554 302 385
14... -- -- -- -- -- -- -- -- -- -- --
MAY
04... .040 1.6 -- .061 1.6 1.7 <.010 .208 .294 54.0 639
JUN
08... <.020 1.8 -- <.050 -- -- <.010 .205 .268 22.3 952
AUG
03... .026 2.1 -- <.050 2.1 -- <.010 .389 .497 8.65 954
SOLIDS,
SUM OF MANGA- MOLYB- SELE- STRON-
CONSTI- ARSENIC IRON, LEAD, LITHIUM NESE, MERCURY DENUM, NIUM, TIUM,
TUENTS, DIS- DIS- DIS- DIS- DIS- DIS- DIS- DIS- DIS-
DIS- SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED
DATE SOLVED (UG/L (UG/L (UG/L (UG/L (UG/L (UG/L (UG/L (UG/L (UG/L
(MG/L) AS AS) AS FE) AS PB) AS LI) AS MN) AS HG) AS MO) AS SE) AS SR)
(70301) (01000) (01046) (01049) (01130) (01056) (71890) (01060) (01145) (01080)
MAR
29... 318 2 80 10 20 190 <.1 7.0 2 150
31... -- -- -- -- -- -- -- -- -- --
APR
07... 386 3 70 <1.0 20 50 <.1 2.0 1 180
14... -- -- -- -- -- -- -- -- -- --
MAY
04... 611 4 50 <1.0 40 70 <.1 1.0 1 350
JUN
08... 925 7 30 <1.0 80 50 <.1 1.0 <1 450
AUG
03... 933 8 30 <1.0 90 40 <.1 1.0 1 440
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