HEART RIVER BASIN
06349000 HEART RIVER NEAR MANDAN, ND
LOCATION.--Lat 46°50'02", long 100°58'27", in NW1/4NE1/4 sec.25, T.139 N., R.82 W., Morton County, Hydrologic Unit 10130203, on
left bank near downstream wingwall of bridge on county highway, 3 mi west of Mandan and 4 mi downstream from Sweetbriar
Creek.
DRAINAGE AREA.--3,310 mi2, approximately.
WATER-DISCHARGE RECORDS
PERIOD OF RECORD.--April to September 1924, March 1928 to June 1933, August 1937 to current year. Published as "at Sunny" 1924,
1928-33.
REVISED RECORDS.--WSP 926: 1938. WSP 1209: Drainage area. WSP 1239: 1924, 1928-29, 1948.
GAGE.--Water-stage recorder. Datum of gage is 1,638.70 ft above sea level and 1,623.03 ft above Burlington Northern Railway
datum. See WSP 1729 or 1917 for history of changes prior to June 30, 1958.
REMARKS.--Records good except for periods of estimated discharge, which are poor. Flow regulated by Lake Tschida (station
06346000), 105 mi upstream, since 1949. Some diversions above station.
DISCHARGE, CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000
DAILY MEAN VALUES
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
1 66 72 e72 e61 e59 e130 106 192 39 79 86 55
2 66 69 e72 e61 e58 e200 101 161 39 66 94 63
3 64 78 e71 e60 e58 e300 91 137 47 60 104 81
4 64 72 e71 e60 e58 e500 90 117 135 53 116 89
5 65 69 e70 e60 e58 e900 86 103 107 47 113 88
6 66 69 e70 e60 e57 e750 89 90 101 51 118 77
7 66 65 e69 e60 e57 664 98 87 96 54 144 62
8 64 69 e69 e60 e57 582 76 84 87 47 147 87
9 64 70 e68 e60 e56 509 70 97 79 115 136 93
10 66 71 e68 e60 e56 305 70 98 75 115 135 92
11 66 72 e67 e60 e56 e270 72 114 73 209 93 94
12 66 73 e67 e60 e55 e240 71 134 72 283 71 93
13 69 75 e66 e60 e55 e220 73 146 142 341 62 91
14 69 73 e66 e60 e55 e200 79 135 397 662 58 97
15 69 74 e66 e60 e55 e170 77 126 709 444 65 99
16 69 73 e66 e60 e55 e160 78 121 758 305 67 93
17 69 71 e65 e60 e55 178 75 116 578 212 67 73
18 72 69 e65 e60 e55 165 76 105 486 169 46 62
19 73 69 e65 e60 e55 168 74 93 440 149 46 59
20 74 72 e65 e60 e55 181 75 79 395 131 51 58
21 75 73 e65 e60 e55 209 72 68 359 132 64 62
22 74 73 e65 e60 e55 209 64 65 312 155 63 75
23 73 e73 e65 e60 e55 188 61 60 282 143 64 77
24 74 e72 e64 e60 e55 180 61 56 241 121 56 80
25 73 e72 e64 e60 e60 178 66 51 218 108 52 79
26 72 e72 e64 e60 e65 172 90 47 192 86 55 77
27 73 e72 e63 e60 e70 156 109 51 165 67 57 70
28 73 e72 e63 e60 e80 145 161 46 139 62 56 68
29 76 e72 e63 e60 e90 130 196 44 120 105 49 65
30 75 e72 e62 e59 --- 119 209 42 99 97 47 56
31 73 --- e62 e59 --- 109 --- 39 --- 79 46 ---
TOTAL 2158 2148 2058 1860 1710 8587 2716 2904 6982 4747 2428 2315
MEAN 69.6 71.6 66.4 60.0 59.0 277 90.5 93.7 233 153 78.3 77.2
MAX 76 78 72 61 90 900 209 192 758 662 147 99
MIN 64 65 62 59 55 109 61 39 39 47 46 55
AC-FT 4280 4260 4080 3690 3390 17030 5390 5760 13850 9420 4820 4590
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1924 - 2000, BY WATER YEAR (WY)
MEAN 57.5 43.5 25.7 17.0 111 955 891 335 336 235 93.4 64.7
MAX 337 383 155 145 1046 4029 5885 3610 1925 2433 763 231
(WY) 1995 1983 1983 1983 1930 1997 1950 1970 1941 1993 1998 1995
MIN 5.41 6.95 .21 .000 .000 .28 25.2 18.5 23.4 11.3 3.65 1.43
(WY) 1940 1938 1938 1938 1940 1965 1990 1992 1961 1990 1932 1932
SUMMARY STATISTICS FOR 1999 CALENDAR YEAR FOR 2000 WATER YEAR WATER YEARS 1924 - 2000
ANNUAL TOTAL 169383 40613
ANNUAL MEAN 464 111 266
HIGHEST ANNUAL MEAN 898 1982
LOWEST ANNUAL MEAN 19.2 1990
HIGHEST DAILY MEAN 5500 Mar 3 900 Mar 5 28400 Apr 18 1950
LOWEST DAILY MEAN 38 Jan 1 39 May 31 .00 Aug 20 1929
ANNUAL SEVEN-DAY MINIMUM 40 Jan 11 42 May 28 .00 Feb 1 1930
INSTANTANEOUS PEAK FLOW a 1000 Mar 5 a 30500 Apr 19 1950
INSTANTANEOUS PEAK STAGE b 4.64 Mar 5 25.75 Apr 4 1952
ANNUAL RUNOFF (AC-FT) 336000 80560 192500
10 PERCENT EXCEEDS 1340 193 424
50 PERCENT EXCEEDS 105 72 50
90 PERCENT EXCEEDS 59 55 5.5
a About
b Backwater from ice
e Estimated
WATER-QUALITY RECORDS
PERIOD OF RECORD.--Water years 1946-50, 1971-76, 1978 to current year.
WATER-QUALITY DATA, WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000
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
14... 1110 70 -- -- -- 1620 18.5 10.0 -- -- --
NOV
08... 1110 70 -- -- -- 1670 18.0 5.0 -- -- --
MAR
07... 1105 637 -- -- -- 1340 10.0 4.0 -- -- --
APR
03... 1500 87 8.4 8.4 1790 1770 12.5 8.5 200 77.0 .59
21... 1335 71 -- -- -- 1860 21.0 14.0 -- -- --
JUN
19... 1140 450 -- -- -- 1650 17.5 19.0 -- -- --
AUG
31... 1130 48 8.5 8.3 1900 -- 17.0 16.5 410 62.0 62.0
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 (MG/L SODIUM AS (MG/L (MG/L (MG/L PER SOLVED
AS K) AS NA) PERCENT CACO3) AS CL) AS F) AS SO4) DAY) (MG/L)
(00935) (00931) (00930) (00932) (90410) (00940) (00950) (00945) (70302) (70300)
OCT
14... -- -- -- -- -- -- -- -- -- --
NOV
08... -- -- -- -- -- -- -- -- -- --
MAR
07... -- -- -- -- -- -- -- -- -- --
APR
03... 11.0 8 260 73 424 15.0 .4 610 300 1280
21... -- -- -- -- -- -- -- -- -- --
JUN
19... -- -- -- -- -- -- -- -- -- --
AUG
31... 11.0 6 280 59 364 17.0 .3 640 173 1330
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
14... -- -- -- -- -- -- -- -- -- --
NOV
08... -- -- -- -- -- -- -- -- -- --
MAR
07... -- -- -- -- -- -- -- -- -- --
APR
03... 1230 <1.0 50 1 60.0 40 .1 1 <1.0 910
21... -- -- -- -- -- -- -- -- -- --
JUN
19... -- -- -- -- -- -- -- -- -- --
AUG
31... 1290 <1.0 10 <1 60.0 20 <.1 1 <1.0 940
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