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LITTLE MISSOURI RIVER BASIN
06337000 LITTLE MISSOURI RIVER NEAR WATFORD CITY, ND
LOCATION.--Lat 47°35'45", long 103°15'45", in SE1/4SE1/4NW1/4 sec.35, T.148 N., R.99 W., McKenzie County, Hydrologic Unit
10110205, 0.8 mi upstream from U.S. Highway 85 crossing, 17 mi upstream from Cherry Creek, and 17.5 mi south of Watford City.
DRAINAGE AREA.--8,310 mi2, approximately.
WATER-DISCHARGE RECORDS
PERIOD OF RECORD.--October 1934 to current year.
REVISED RECORDS (WATER YEARS).--WSP 926: 1935. WSP 1270: 1943.
GAGE.--Water-stage recorder. Datum of gage is 1,929.03 ft above sea level. From Oct. 2, 1959, to June 17, 1963, and Nov. 28,
1964, to Sept. 30, 1990, water-stage recorder at site at U.S. Highway 85 crossing, 0.8 mi downstream. From June 18, 1963, to
Nov. 28, 1964, at site 0.6 mi downstream at present datum. See WSP 1729 or 1917 for history of changes prior to Oct. 2, 1959.
REMARKS.--Records fair except for period of estimated discharge, which are poor.
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 58 51 48 e26 e13 638 128 72 243 55 33 11
2 57 49 e45 e26 e14 635 129 72 178 57 32 9.7
3 57 49 e47 e27 e14 497 129 68 156 52 29 8.3
4 56 51 e45 e27 e14 427 127 66 192 193 26 7.7
5 56 53 e44 e26 e13 443 122 65 159 192 22 6.5
6 56 52 e45 e25 e13 606 114 65 116 242 22 5.6
7 57 53 e46 e26 e12 584 114 65 95 367 16 5.5
8 55 51 e47 e25 e12 490 110 68 82 278 16 4.8
9 54 50 e47 e25 e12 422 107 70 74 237 20 4.1
10 54 51 e46 e25 e11 364 109 94 75 237 20 4.0
11 54 51 e45 e26 e10 324 103 115 99 200 43 3.6
12 56 50 e44 e25 e10 286 103 112 115 401 114 3.5
13 61 50 e43 e24 e9.0 257 103 116 798 286 34 3.5
14 62 52 e40 e24 e10 242 109 128 589 195 11 3.3
15 59 53 e39 e23 e9.0 228 112 125 389 153 7.8 3.4
16 56 52 e37 e21 e10 233 127 120 282 171 13 3.2
17 56 50 e35 e19 e10 226 153 104 225 228 6.5 3.0
18 57 51 e32 e17 e9.0 205 159 88 195 173 5.9 2.9
19 57 52 e31 e16 e10 189 159 78 162 175 5.5 2.6
20 57 52 e31 e14 e11 189 138 80 162 190 5.4 3.3
21 55 51 e30 e14 e12 184 107 71 176 156 5.4 3.9
22 55 53 e31 e14 e13 175 92 68 153 128 5.2 4.8
23 55 49 e30 e14 e30 170 83 63 132 106 5.0 5.6
24 55 49 e29 e15 e80 163 83 57 154 114 4.6 4.6
25 56 47 e28 e14 e720 155 76 56 110 105 4.4 4.2
26 57 48 e28 e14 1310 152 75 91 97 80 4.6 3.9
27 56 49 e27 e15 1030 147 86 193 88 68 4.0 3.7
28 57 50 e27 e15 746 144 90 167 79 49 3.6 3.4
29 57 52 e26 e14 637 138 87 312 71 44 43 3.2
30 57 49 e26 e13 --- 134 80 240 65 38 28 3.0
31 55 --- e26 e13 --- 132 --- 160 --- 31 15 ---
TOTAL 1750 1520 1145 622 4804.0 9179 3314 3249 5511 5001 604.9 139.8
MEAN 56.5 50.7 36.9 20.1 166 296 110 105 184 161 19.5 4.66
MAX 62 53 48 27 1310 638 159 312 798 401 114 11
MIN 54 47 26 13 9.0 132 75 56 65 31 3.6 2.6
AC-FT 3470 3010 2270 1230 9530 18210 6570 6440 10930 9920 1200 277
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1935 - 2000, BY WATER YEAR (WY)
MEAN 167 57.8 17.6 11.5 270 1849 1461 763 1071 517 221 167
MAX 2364 409 138 121 3023 10220 12170 4302 5646 2759 1405 1174
(WY) 1972 1947 1947 1983 1943 1972 1952 1975 1944 1993 1937 1941
MIN .83 .33 .000 .000 .000 22.2 29.5 18.0 14.8 9.26 .023 1.38
(WY) 1989 1989 1989 1935 1935 1964 1981 1981 1988 1980 1988 1936
SUMMARY STATISTICS FOR 1999 CALENDAR YEAR FOR 2000 WATER YEAR WATER YEARS 1935 - 2000
ANNUAL TOTAL 199695.3 36839.7
ANNUAL MEAN 547 101 548
HIGHEST ANNUAL MEAN 1637 1971
LOWEST ANNUAL MEAN 38.0 1988
HIGHEST DAILY MEAN 4830 Mar 16 1310 Feb 26 55000 Mar 25 1947
LOWEST DAILY MEAN 9.5 Jan 24 2.6 Sep 19 .00 Jan 1 1935
ANNUAL SEVEN-DAY MINIMUM 9.9 Jan 20 3.1 Sep 14 .00 Jan 1 1935
INSTANTANEOUS PEAK FLOW 1400 Feb 26 110000 Mar 25 1947
INSTANTANEOUS PEAK STAGE 4.46 Feb 26 24.00 Mar 25 1947
ANNUAL RUNOFF (AC-FT) 396100 73070 397100
10 PERCENT EXCEEDS 1810 227 1190
50 PERCENT EXCEEDS 118 54 74
90 PERCENT EXCEEDS 14 6.3 .50
e Estimated
WATER-QUALITY RECORDS
PERIOD OF RECORD.--Water year 1972 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
25... 1430 56 -- -- -- 2400 14.0 8.0 -- -- --
DEC
12... 1325 47 -- -- -- 2450 1.0 .5 -- -- --
JAN
20... 1310 15 -- -- -- 3600 -13.0 .0 -- -- --
MAR
20... 1615 187 -- -- -- 2000 7.0 5.5 -- -- --
JUN
06... 1030 117 8.6 -- 2230 2180 18.0 13.0 270 56.0 31.0
AUG
08... 1130 18 8.5 8.5 2550 2550 35.0 25.0 350 69.0 44.0
SEP
26... 1230 3.6 -- -- -- 2570 9.0 10.0 -- -- --
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
25... -- -- -- -- -- -- -- -- -- --
DEC
12... -- -- -- -- -- -- -- -- -- --
JAN
20... -- -- -- -- -- -- -- -- -- --
MAR
20... -- -- -- -- -- -- -- -- -- --
JUN
06... 10.0 11 430 77 338 12.0 .4 820 505 1600
AUG
08... 18.0 11 490 74 440 16.0 .4 860 88.4 1850
SEP
26... -- -- -- -- -- -- -- -- -- --
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
25... -- -- -- -- -- -- -- -- -- --
DEC
12... -- -- -- -- -- -- -- -- -- --
JAN
20... -- -- -- -- -- -- -- -- -- --
MAR
20... -- -- -- -- -- -- -- -- -- --
JUN
06... 1560 <1.0 10 1 70.0 <10 .1 4 <1.0 640
AUG
08... 1760 2.0 50 1 100 10 <.1 8 1.0 840
SEP
26... -- -- -- -- -- -- -- -- -- --
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