LITTLE MISSOURI RIVER BASIN
06336600 BEAVER CREEK NEAR TROTTERS, ND
LOCATION.--Lat 47°09'47", long 103°59'32", in SW1/4SW1/4NE1/4 sec.33, T.143 N., R.105 W., Golden Valley County, Hydrologic Unit
10110204, on left bank 100 ft upstream from bridge on county road, 2.4 mi east of Montana-North Dakota State line, 13 mi
southwest of Trotters, 17 mi north of Beach, 20 mi upstream from Elk Creek, and 27 mi above mouth.
DRAINAGE AREA.--616 mi2.
WATER-DISCHARGE RECORDS
PERIOD OF RECORD.--October 1977 to current year (seasonal records only since 1984).
REVISED RECORDS.--1982: Drainage area.
GAGE.--Water-stage recorder. Datum of gage is 2,370 ft above sea level, from topographic map.
REMARKS.--Records fair except for periods of estimated discharge, which are poor.
EXTREMES FOR CURRENT YEAR.--Maximum discharge, 26 ft3/s, Mar. 7, gage height, 3.66 ft, backwater from ice; minimum daily
discharge, no flow for many days in July to September.
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 1.0 --- --- --- e1.0 e10 5.6 4.6 1.1 e.06 .00 .00
2 1.0 --- --- --- e1.0 e8.0 6.9 4.2 1.1 e.06 .00 .00
3 1.2 --- --- --- e1.0 e7.5 7.5 3.7 .86 e.05 .00 .00
4 1.2 --- --- --- e1.0 e7.5 7.3 3.3 .42 e.04 .00 .00
5 1.2 --- --- --- e1.0 7.6 7.4 4.6 .33 e.03 .00 .00
6 1.3 --- --- --- e1.0 8.3 7.3 4.5 .23 e.02 .00 .00
7 --- --- --- --- e1.0 13 6.5 5.9 .13 e.03 .00 .00
8 --- --- --- --- e1.0 9.7 6.7 5.9 e.10 e.03 .00 .00
9 --- --- --- --- e1.0 8.7 6.3 6.4 e.09 e.05 .00 .00
10 --- --- --- --- e1.0 7.0 6.2 5.8 e.08 e.10 .00 .00
11 --- --- --- --- e1.0 6.1 6.0 5.6 .07 e.15 .00 .00
12 --- --- --- --- e1.0 5.9 5.4 5.4 .38 e.20 .00 .00
13 --- --- --- --- e1.0 5.8 5.3 5.4 .43 e.20 .00 .00
14 --- --- --- --- e1.0 5.7 6.2 5.1 .44 e.15 .00 .00
15 --- --- --- --- e1.0 5.8 6.5 4.9 1.2 e.10 .00 .00
16 --- --- --- --- e1.0 5.7 6.7 4.6 1.2 e.10 .00 .00
17 --- --- --- --- e1.0 5.8 7.2 4.1 1.3 e.50 .00 .00
18 --- --- --- --- e1.0 6.1 7.6 3.7 1.3 e2.0 .00 .00
19 --- --- --- --- e1.0 5.8 7.0 3.3 1.2 e1.5 .00 .03
20 --- --- --- --- e1.0 5.0 6.6 3.3 1.2 e1.0 .00 .21
21 --- --- --- --- e1.0 4.4 6.6 3.0 1.0 e.70 .00 .45
22 --- --- --- --- e1.0 4.6 6.1 2.8 .90 e.50 .00 .92
23 --- --- --- --- e2.0 4.4 5.4 2.3 .58 .28 .00 1.1
24 --- --- --- --- e5.0 4.4 e5.2 2.0 .38 .18 .00 .76
25 --- --- --- --- e6.0 4.4 e5.1 1.5 .21 .09 .00 e.40
26 --- --- --- --- e10 4.5 e5.1 1.5 .15 .11 .00 e.10
27 --- --- --- --- e9.0 4.9 e5.1 1.6 .16 .04 .00 e.04
28 --- --- --- --- e8.0 4.8 5.1 1.5 .07 .02 .00 e.00
29 --- --- --- --- e7.0 4.8 4.9 1.6 .07 .00 .00 e.00
30 --- --- --- --- --- 5.7 4.9 1.5 e.06 .00 .00 e.00
31 --- --- --- --- --- 5.6 --- .95 --- .00 .00 ---
TOTAL 6.9 --- --- --- 69.0 197.5 185.7 114.55 16.74 8.29 0.00 4.01
MEAN 1.15 --- --- --- 2.38 6.37 6.19 3.70 .56 .27 .000 .13
MAX 1.3 --- --- --- 10 13 7.6 6.4 1.3 2.0 .00 1.1
MIN 1.0 --- --- --- 1.0 4.4 4.9 .95 .06 .00 .00 .00
AC-FT 14 --- --- --- 137 392 368 227 33 16 .00 8.0
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1978 - 2000, BY WATER YEAR (WY)
MEAN 1.10 2.62 2.59 4.40 30.0 109 49.1 16.5 16.7 10.8 2.25 .75
MAX 3.29 6.34 5.13 14.7 141 609 406 50.2 125 64.2 18.4 4.72
(WY) 1983 1983 1979 1983 1983 1978 1979 1999 1982 1997 1993 1986
MIN .006 .010 .032 .000 .000 1.21 1.11 1.05 .12 .000 .000 .000
(WY) 1982 1982 1982 1982 1989 1991 1991 1981 1992 1988 1985 1981
SUMMARY STATISTICS WATER YEARS 1978 - 2000
ANNUAL MEAN a 33.3
HIGHEST ANNUAL MEAN a 79.7 1978
LOWEST ANNUAL MEAN a 2.77 1981
HIGHEST DAILY MEAN 2500 Mar 22 1978
LOWEST DAILY MEAN .00 Aug 1 1981
ANNUAL SEVEN-DAY MINIMUM .00 Aug 10 1981
INSTANTANEOUS PEAK FLOW 2720 Mar 29 1978
INSTANTANEOUS PEAK STAGE b 19.27 Mar 22 1978
ANNUAL RUNOFF (AC-FT) a 24110
10 PERCENT EXCEEDS 40
50 PERCENT EXCEEDS 3.3
90 PERCENT EXCEEDS .00
a Based on complete water years only (1978-83)
b Backwater from ice
e Estimated
WATER-QUALITY RECORDS
PERIOD OF RECORD.--Water year 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
07... 1210 1.3 -- -- -- 2500 17.0 8.5 -- -- --
MAR
01... 1215 9.6 -- -- -- 2600 8.5 .5 -- -- --
15... 1330 5.8 -- -- -- 2190 -1.5 .7 -- -- --
28... 1600 4.9 8.5 8.3 2180 2210 14.0 8.3 540 90.0 77.0
APR
25... 1040 5.1 -- -- -- 2580 13.0 12.2 -- -- --
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
07... -- -- -- -- -- -- -- -- -- --
MAR
01... -- -- -- -- -- -- -- -- -- --
15... -- -- -- -- -- -- -- -- -- --
28... 8.3 6 340 57 357 9.2 .2 910 21.7 1650
APR
25... -- -- -- -- -- -- -- -- -- --
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
07... -- -- -- -- -- -- -- -- -- --
MAR
01... -- -- -- -- -- -- -- -- -- --
15... -- -- -- -- -- -- -- -- -- --
28... 1650 <1.0 40 <1 40.0 50 <.1 <1 <1.0 1200
APR
25... -- -- -- -- -- -- -- -- -- --
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