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RED RIVER OF THE NORTH BASIN
05057500 LAKE ASHTABULA AT BALDHILL DAM, ND
LOCATION.--Lat 47o02'00", long 98o05'00", in NW1/4 sec.18, T.141 N., R.58 W., Barnes County, Hydrologic Unit 09020203, at
Baldhill Dam on Sheyenne River, and 8 mi northwest of Valley City.
DRAINAGE AREA.--7,470 mi2, approximately, of which about 5,560 mi2 is probably noncontributing, including 3,800 mi2 in
closed basins.
MONTHEND-ELEVATION AND CONTENTS RECORDS
PERIOD OF RECORD.--July 1949 to current year.
REVISED RECORDS.--WSP 1238: 1950(M). WSP 1728: Drainage area.
GAGE.--Water-stage recorder. Datum of gage is at sea level.
REMARKS.--Reservoir is formed by an earth-filled dam, 1,650 ft long; storage began on July 30, 1949; dam completed September
1949. Usable capacity, 69,100 acre-ft between invert of outlet conduit, elevation, 1,238.0 ft, and normal pool level,
elevation, 1,266.0 ft. Dead storage below elevation 1,238.0 ft, 1,500 acre-ft. Maximum pool elevation, 1,273.2 ft,
capacity, 116,500 acre-ft. Low flows are controlled by 2 sluice gates 3 ft in diameter. The spillway crest is 120
ft long at elevation 1,252.0 ft, surmounted by 3 taintor gates, each 15 ft high and 40 ft long. The reservoir is
operated for flood control and to increase low-water flow.
COOPERATION.--Records furnished by U.S. Army Corps of Engineers.
EXTREMES FOR PERIOD OF RECORD.--Maximum contents, 91,400 acre-ft, May 14, 1950, elevation, 1,269.46 ft; minimum since
reservoir first reached spillway level, 6,660 acre-ft, Aug. 11-14, 1950, elevation, 1,245.13 ft.
EXTREMES FOR CURRENT YEAR.--Maximum contents, 74,020 acre-ft, May 12, elevation, 1,266.60 ft; minimum, 31,100 acre-ft,
Mar. 26, elevation, 1,257.03 ft.
MONTHEND ELEVATION AND CONTENTS, WATER YEAR OCTOBER 1998 TO SEPTEMBER 1999
_________________________________________________________________________________________________________
Date Elevation Conditions Change in contents
(feet) (acre-feet) (acre-feet)
_________________________________________________________________________________________________________
Sept. 30 --------------------------- 1,265.18 66.010 ---
Oct. 31 ---------------------------- 1,265.85 69,760 +3,750
Nov. 30 ---------------------------- 1,263.86 58,800 -10,960
Dec. 31 ---------------------------- 1,263.64 57,700 -1,100
CAL YR 1998 --- --- +650
Jan. 31 ---------------------------- 1,262.98 54,410 -3,290
Feb. 28 ---------------------------- 1,261.47 47,620 -6,790
Mar. 31 ---------------------------- 1,259.01 37,640 -9,980
Apr. 30 ---------------------------- 1,265.90 70,040 +32,400
May 31 ----------------------------- 1,266.01 70,660 +620
June 30 ---------------------------- 1,266.13 71,340 +680
July 31 ---------------------------- 1,266.07 71,000 -340
Aug. 31 ---------------------------- 1,266.03 70,770 -230
Sept. 30 --------------------------- 1,266.07 71,000 +230
WTR YR 1998 --- --- +4,990
_________________________________________________________________________________________________________
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