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RED RIVER OF THE NORTH BASIN
05101000 TONGUE RIVER AT AKRA, ND
LOCATION.--Lat 48o46'42", long 97o44'43", in SW1/4 sec.10, T.161 N., R.55 W., Pembina County, Hydrologic Unit 09020313, on left
bank 300 ft downstream from Renwick Dam, 0.9 mi northwest of Akra, and 6 mi west of Cavalier.
DRAINAGE AREA.--160 mi2.
WATER-DISCHARGE RECORDS
PERIOD OF RECORD.--April to June 1950 (WSP 1137-B), October 1951 to current year (seasonal record since 1983).
REVISED RECORDS.--WSP 1728: Drainage area.
GAGE.--Water-stage recorder. Datum of gage is 930.00 ft above sea level. Prior to July 10, 1954, nonrecording gage 1.2 mi
downstream at datum 30.00 ft lower. July 23, 1954, to Dec. 19, 1973, water stage recorder 2.7 mi downstream at datum 9.10 ft
lower.
REMARKS.--Records fair except for estimated daily discharges, which are poor. Flow regulated by temporary retention in ten
retarding basins beginning 300 ft above station, four of which have slow release outlet structures to regulate the flow.
Retarding basins were completed during the period l955 to l961 and have a combined capacity of l9,245 acre-ft.
EXTREMES FOR CURRENT YEAR.--Maximum instaneous discharge, 380 ft3/s, Apr. 10, gage height, 13.66 ft; minimum discharge,
1.7 ft3/s, Aug. 9.
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 --- --- --- --- --- e15 269 35 19 9.2 4.9 9.4
2 --- --- --- --- --- e15 196 33 19 8.9 4.7 8.7
3 --- --- --- --- --- e14 139 20 18 8.9 4.5 8.7
4 --- --- --- --- --- e14 104 16 19 8.8 4.3 9.7
5 --- --- --- --- --- e14 84 22 19 9.4 3.7 12
6 --- --- --- --- --- e14 73 35 18 9.0 2.2 12
7 --- --- --- --- --- e15 72 55 18 8.5 2.0 12
8 --- --- --- --- --- e15 175 66 21 9.0 1.9 11
9 --- --- --- --- --- e15 332 71 23 9.6 2.0 10
10 --- --- --- --- --- e15 373 71 24 9.5 2.1 8.7
11 --- --- --- --- --- e15 353 94 24 9.8 2.4 8.1
12 --- --- --- --- --- e16 316 166 22 9.7 2.8 8.0
13 --- --- --- --- --- e16 273 164 19 9.7 3.1 7.8
14 --- --- --- --- --- e16 229 129 16 11 3.2 7.8
15 --- --- --- --- --- e16 189 108 14 14 3.6 8.1
16 --- --- --- --- --- e16 152 104 12 24 4.4 8.0
17 --- --- --- --- --- e16 128 94 11 31 5.8 7.5
18 --- --- --- --- --- e17 111 78 11 31 7.5 7.6
19 --- --- --- --- --- e17 99 64 11 28 8.7 7.5
20 --- --- --- --- --- e18 92 53 15 24 9.7 6.9
21 --- --- --- --- --- e18 85 44 16 19 10 6.4
22 --- --- --- --- --- e19 77 40 16 16 10 6.2
23 --- --- --- --- --- e20 70 41 17 13 12 6.0
24 --- --- --- --- --- e21 63 42 15 11 13 5.7
25 --- --- --- --- --- e24 55 39 13 9.3 12 5.6
26 --- --- --- --- --- e30 51 35 14 8.2 12 5.4
27 --- --- --- --- --- e50 44 31 13 7.2 12 5.6
28 --- --- --- --- --- e100 42 27 12 6.7 12 6.3
29 --- --- --- --- --- e170 38 24 11 6.1 11 6.9
30 --- --- --- --- --- e250 37 21 10 5.6 9.6 8.2
31 --- --- --- --- --- e280 --- 19 --- 5.2 9.3 ---
TOTAL --- --- --- --- --- 1291 4321 1841 490 390.3 206.4 241.8
MEAN --- --- --- --- --- 41.6 144 59.4 16.3 12.6 6.66 8.06
MAX --- --- --- --- --- 280 373 166 24 31 13 12
MIN --- --- --- --- --- 14 37 16 10 5.2 1.9 5.4
AC-FT --- --- --- --- --- 2560 8570 3650 972 774 409 480
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1950 - 1999, BY WATER YEAR (WY)
MEAN 6.29 6.76 4.46 3.16 3.60 24.6 122 64.7 19.0 15.7 7.57 6.46
MAX 30.1 22.7 12.9 7.27 18.7 135 451 587 78.7 216 144 28.3
(WY) 1981 1981 1971 1971 1981 1966 1950 1950 1964 1997 1993 1980
MIN .51 .56 .065 .51 .24 .22 .43 1.63 .47 .086 .21 .096
(WY) 1962 1976 1953 1953 1953 1964 1991 1980 1988 1978 1988 1989
SUMMARY STATISTICS WATER YEARS 1950 - 1999
ANNUAL MEAN a 21.4
HIGHEST ANNUAL MEAN a 50.1 1956
LOWEST ANNUAL MEAN a 3.11 1961
HIGHEST DAILY MEAN 5240 Apr 18 1950
LOWEST DAILY MEAN .00 Dec 1 1952
ANNUAL SEVEN-DAY MINIMUM .00 Dec 1 1952
INSTANTANEOUS PEAK FLOW b 11800 Apr 18 1950
INSTANTANEOUS PEAK STAGE 48.70 Apr 18 1950
ANNUAL RUNOFF (AC-FT) a 15480
10 PERCENT EXCEEDS 52
50 PERCENT EXCEEDS 5.0
90 PERCENT EXCEEDS .80
a Based on complete water years only (1952-82)
b Site and datum then in use, from indirect measurement at flow
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- PH SPE-
CHARGE, WATER CIFIC SPE- HARD- MAGNE-
INST. WHOLE CON- CIFIC NESS CALCIUM SIUM,
CUBIC FIELD DUCT- CON- TEMPER- TEMPER- TOTAL DIS- DIS-
FEET (STAND- ANCE DUCT- ATURE ATURE (MG/L SOLVED SOLVED
DATE TIME PER ARD LAB ANCE AIR WATER AS (MG/L (MG/L
SECOND UNITS) (US/CM) (US/CM) (DEG C) (DEG C) CACO3) AS CA) AS MG)
(00061) (00400) (90095) (00095) (00020) (00010) (00900) (00915) (00925)
NOV
04... 1430 92 -- -- 595 -3.0 5.5 -- -- --
MAR
04... 1450 14 -- -- -- -5.5 .5 -- -- --
APR
10... 0810 374 8.0 450 429 2.0 3.0 180 49 13
MAY
19... 0925 67 -- -- 461 13.0 15.0 -- -- --
JUN
24... 0845 16 -- -- 668 20.5 22.0 -- -- --
AUG
12... 0930 2.7 8.6 636 643 14.0 20.5 280 75 22
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)
NOV
04... -- -- -- -- -- -- -- -- -- --
MAR
04... -- -- -- -- -- -- -- -- -- --
APR
10... 5.5 .7 21 22 122 40 92 5.6 331 328
MAY
19... -- -- -- -- -- -- -- -- -- --
JUN
24... -- -- -- -- -- -- -- -- -- --
AUG
12... 5.4 .8 19 31 226 10 .40 100 3.03 421
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)
NOV
04... -- -- -- -- -- -- -- -- -- --
MAR
04... -- -- -- -- -- -- -- -- -- --
APR
10... 301 2 240 <1.0 20 -- <.1 2.0 1 250
MAY
19... -- -- -- -- -- -- -- -- -- --
JUN
24... -- -- -- -- -- -- -- -- -- --
AUG
12... 380 8 60 1.0 30 380 <.1 3.0 2 340
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