JAMES RIVER BASIN

06469000 JAMESTOWN RESERVOIR NEAR JAMESTOWN, ND

LOCATION.--Lat 46×55'50", long 98×42'23", in SE14NW14 sec.24, T.140 N., R.64 W., Stutsman County, Hydrologic Unit 10160001, on left bank in control house below Jamestown Dam on James River, 1.7 mi north of Jamestown Post Office, and 3.3 mi upstream from Pipestem Creek.

DRAINAGE AREA.--1,760 mi2, approximately, of which about 1,010 mi2 is probably noncontributing.

MONTHEND-ELEVATION AND CONTENTS RECORDS

PERIOD OF RECORD.--November 1953 to current year.

GAGE.--Water-stage recorder. Datum of gage is 1,400.00 ft above sea level; gage readings have been converted to sea level. From June 22, 1959, to June 3, 1971, site was located 0.2 mi upstream at same datum. Prior to June 22, 1959, nonrecording gages at different locations. Water-stage recorder discontinued July 15, 1999.

REMARKS.--Reservoir is formed by earth-fill dam, completed Oct. 1, 1953. Closure made May 7, 1953, and filling of dead storage started. Gates initially closed Feb. 8, 1954. Usable capacity, 229,470 acre-ft between elevations 1,400 ft, sill of outlet, and 1,454 ft, crest of spillway. Dead storage below elevation 1,400 ft, 820 acre-ft. Maximum design pool, 389,000 acre-ft, elevation, 1,464.6 ft. Figures given herein represent total contents based on capacity table dated Oct. 1, 1965. Reservoir is used for flood control and municipal supply. Elevations are adjusted for wind effect.

COOPERATION.--Records furnished by the U.S. Bureau of Reclamation.

EXTREMES FOR PERIOD OF RECORD.--Maximum contents, 124,900 acre-ft, May 2, 1997, elevation, 1,445.80 ft; minimum since initial filling of reservoir, 14,420 acre-ft, Mar. 1, 1993, elevation, 1,420.90 ft.

EXTREMES FOR CURRENT YEAR.--Maximum contents, 53,100 acre-ft, Apr. 18, elevation, 1,437.50 ft; minimum, 26,140 acre-ft, Sept. 30, elevation, 1,428.41 ft.

MONTHEND ELEVATION AND CONTENTS, WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004

Date	Elevation (feet)	Contents (acre-feet)	Change in contents (acre-feet)
Sept. 30	1,430.23	29,820	--
Oct. 31	1,429.29	27,870	-1,950
Nov. 30	1,429.26	27,800	-70
Dec. 31	1,429.30	27,890	+90
CAL YR 2003	--	--	+650
Jan. 31	1,429.32	27,930	+40
Feb. 29	1,429.27	27,830	-100
Mar. 31	1,430.67	30,790	+2,960
Apr. 30	1,436.41	46,680	+15,890
May 31	1,432.31	34,640	-12,040
June 30	1,430.95	31,400	-3,240
July 31	1,430.23	29,820	-1,580
Aug. 31	1,430.22	29,800	-20
Sept. 30	1,428.41	26,140	-3,660
WTR YR 2004	--	--	-3,680

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