HEART RIVER BASIN
06347500 BIG MUDDY CREEK NEAR ALMONT, ND
LOCATION.--Lat 46o41'40", long 101o28'01", in NE1/4NE1/4SE1/4 sec.12, T.137 N., R.86 W., Morton County, Hydrologic Unit
10130203, on left bank 50 ft downstream from county highway bridge, 2 mi downstream from Hailstone Creek, 3 mi southeast of
Almont and 12 mi upstream from mouth.
DRAINAGE AREA.--456 mi2.
WATER-DISCHARGE RECORDS
PERIOD OF RECORD.--October 1945 to September 1970, October 1970 to September 1973 (annual maximum discharge), February 1991 to
current year (seasonal records only since February 1991).
GAGE.--Water-stage recorder. Elevation of gage is 1,864 ft above sea level, by barometer. Prior to Sept. 5, 1952, nonrecording
gage at same site and datum.
REMARKS.--Records are poor.
EXTREMES FOR CURRENT YEAR.--Maximum discharge, about 1,400 ft3/s, Mar. 2, gage height, 15.59 ft, observed; minimum daily
discharge recorded, 1.9 ft3/s, Aug. 30 and 31.
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 --- --- --- --- e5.0 e1200 32 18 20 9.2 2.1 e4.0
2 --- --- --- --- e5.0 e1350 33 16 e18 9.2 2.2 e4.0
3 --- --- --- --- e5.0 1120 33 15 e16 12 2.3 e5.0
4 --- --- --- --- e5.0 660 33 16 e14 13 2.2 e6.0
5 --- --- --- --- e5.0 300 27 19 e12 12 e2.1 e7.2
6 --- --- --- --- e5.5 181 36 45 17 19 e2.0 e5.8
7 --- --- --- --- 6.0 133 79 177 76 16 e8.0 e5.4
8 --- --- --- --- e6.5 108 228 410 198 14 e6.0 e5.0
9 --- --- --- --- e7.0 87 357 221 138 11 e5.5 e4.6
10 --- --- --- --- e7.5 66 244 145 74 9.4 e5.0 e4.2
11 --- --- --- --- e7.5 57 174 147 58 8.1 e5.0 e4.6
12 --- --- --- --- e8.0 48 114 201 48 7.1 e15 e5.0
13 --- --- --- --- e8.0 46 84 168 41 6.3 e30 e5.4
14 --- --- --- --- e8.5 61 66 111 35 5.5 e20 e5.2
15 --- --- --- --- e9.0 e458 54 130 30 5.4 e15 e5.2
16 --- --- --- --- e9.5 e595 44 245 27 5.1 e18 e5.1
17 --- --- --- --- e9.5 e675 30 326 23 4.6 e22 e5.0
18 --- --- --- --- e10 e360 33 201 20 4.9 e19 e4.9
19 --- --- --- --- e10 234 29 121 19 4.6 e16 e4.8
20 --- --- --- --- e9.5 182 25 87 18 4.5 e13 e4.7
21 --- --- --- --- e9.5 e138 23 69 17 4.3 e11 e4.6
22 --- --- --- --- e9.0 110 23 59 15 4.2 e9.0 e4.6
23 --- --- --- --- e7.0 87 24 51 14 3.9 e7.0 e4.7
24 --- --- --- --- e7.0 72 24 46 13 3.6 e6.0 e4.7
25 --- --- --- --- e10 61 22 41 12 3.6 e5.0 e4.8
26 --- --- --- --- e200 53 21 37 12 3.5 e4.5 e4.8
27 --- --- --- --- e600 48 21 36 11 3.2 e4.0 e4.9
28 --- --- --- --- e900 45 21 29 12 2.7 e3.5 e5.0
29 --- --- --- --- --- 39 20 25 11 2.3 e4.0 e5.1
30 --- --- --- --- --- 35 19 23 9.7 1.9 e4.5 e5.2
31 --- --- --- --- --- 30 --- 21 --- 1.9 e4.0 ---
TOTAL --- --- --- --- 1889.5 8639 1973 3256 1028.7 216.0 272.9 149.5
MEAN --- --- --- --- 67.5 279 65.8 105 34.3 6.97 8.80 4.98
MAX --- --- --- --- 900 1350 357 410 198 19 30 7.2
MIN --- --- --- --- 5.0 30 19 15 9.7 1.9 2.0 4.0
AC-FT --- --- --- --- 3750 17140 3910 6460 2040 428 541 297
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1946 - 1999, BY WATER YEAR (WY)
MEAN 1.20 1.60 1.33 1.08 21.4 152 158 49.4 41.0 45.0 8.88 2.99
MAX 2.61 3.19 2.48 4.59 220 909 1160 540 405 1042 75.4 15.2
(WY) 1952 1952 1952 1947 1995 1997 1950 1970 1966 1993 1998 1953
MIN .39 .58 .35 .065 .000 .73 1.48 1.01 .43 .042 .12 .35
(WY) 1962 1961 1949 1949 1966 1965 1992 1961 1961 1961 1961 1991
SUMMARY STATISTICS WATER YEARS 1946 - 1999
ANNUAL MEAN a 37.0
HIGHEST ANNUAL MEAN 112 1950
LOWEST ANNUAL MEAN 1.41 1961
HIGHEST DAILY MEAN 15000 Apr 17 1950
LOWEST DAILY MEAN .00 Jan 28 1946
ANNUAL SEVEN-DAY MINIMUM .00 Jan 28 1946
INSTANTANEOUS PEAK FLOW 20200 Apr 17 1950
INSTANTANEOUS PEAK STAGE 30.99 Jul 23 1993
ANNUAL RUNOFF (AC-FT) a 26790
10 PERCENT EXCEEDS 46
50 PERCENT EXCEEDS 2.0
90 PERCENT EXCEEDS .40
a Based on complete water years (1945-70)
e Estimated
WATER-QUALITY RECORDS
PERIOD OF RECORD.--Water year 1991 to current year.
WATER-QUALITY DATA, WATER YEAR OCTOBER 1998 TO SEPTEMBER 1999
DIS- PH PH SPE-
CHARGE, WATER WATER CIFIC SPE- HARD- MAGNE-
INST. WHOLE WHOLE CON- CIFIC NESS CALCIUM SIUM,
CUBIC FIELD LAB DUCT- CON- TEMPER- TEMPER- TOTAL DIS- DIS-
FEET (STAND- (STAND- ANCE DUCT- ATURE ATURE (MG/L SOLVED SOLVED
DATE TIME PER ARD ARD LAB ANCE AIR WATER AS (MG/L (MG/L
SECOND UNITS) UNITS) (US/CM) (US/CM) (DEG C) (DEG C) CACO3) AS CA) AS MG)
(00061) (00400) (00403) (90095) (00095) (00020) (00010) (00900) (00915) (00925)
OCT
22... 1100 18 -- -- -- 1110 12.0 7.4 -- -- --
MAR
02... 1515 1310 -- -- -- 506 -- .9 -- -- --
22... 1425 110 8.1 -- 1030 965 10.0 4.4 210 39 27
JUL
23... 1250 4.6 8.3 8.3 2730 2820 33.0 25.5 470 72 70
AUG
10... 1210 5.2 -- -- -- 2340 26.0 22.5 -- -- --
SEP
08... 1425 5.0 -- -- -- 2090 18.5 15.9 -- -- --
ANC SOLIDS,
POTAS- SODIUM UNFLTRD CHLO- FLUO- SOLIDS, RESIDUE
SIUM, AD- SODIUM, TIT 4.5 RIDE, RIDE, SULFATE DIS- AT 180
DIS- SORP- DIS- LAB DIS- DIS- DIS- SOLVED DEG. C
SOLVED TION SOLVED (MG/L SOLVED SOLVED SOLVED (TONS DIS-
DATE (MG/L RATIO SODIUM (MG/L AS (MG/L (MG/L (MG/L PER SOLVED
AS K) PERCENT AS NA) CACO3) AS CL) AS F) AS SO4) DAY) (MG/L)
(00935) (00931) (00932) (00930) (90410) (00940) (00950) (00945) (70302) (70300)
OCT
22... -- -- -- -- -- -- -- -- -- --
MAR
02... -- -- -- -- -- -- -- -- -- --
22... 9.4 5 60 150 199 5.4 .10 340 223 751
JUL
23... 11 10 70 510 587 7.5 .70 960 25.1 2010
AUG
10... -- -- -- -- -- -- -- -- -- --
SEP
08... -- -- -- -- -- -- -- -- -- --
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)
OCT
22... -- -- -- -- -- -- -- -- -- --
MAR
02... -- -- -- -- -- -- -- -- -- --
22... 691 1 140 1.0 20 100 <.1 <1.0 <1 490
JUL
23... 1980 <1 30 <1.0 70 30 .1 3.0 <1 950
AUG
10... -- -- -- -- -- -- -- -- -- --
SEP
08... -- -- -- -- -- -- -- -- -- --
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