ARKANSAS RIVER BASIN

07099350 PUEBLO RESERVOIR NEAR PUEBLO, CO

LOCATION.--Lat 38°16'15", long 104°43'30", in NE14 sec.36, T.20 S., R.66 W., Pueblo County, Hydrologic Unit 11020002, at dam on Arkansas River, 7 mi west of Pueblo.

DRAINAGE AREA.--4,669 mi2.

RESERVOIR ELEVATIONS AND CONTENTS RECORDS

PERIOD OF RECORD.--January 1974 to current year.

GAGE.--Water-stage recorder. Datum of gage is 4,898.70 ft above NGVD of 1929, (levels by U.S. Bureau of Reclamation); gage readings at 2400 have been reduced to elevations above NGVD of 1929.

REMARKS.--Reservoir is formed by concrete and earthfill dam. Storage began Jan. 9, 1974; dam completed in August 1975. Capacity, 357,700 acre-ft at elevation 4,898.70 ft, crest of spillway. Dead storage, 3,730 acre-ft, below elevation 4,764.00 ft, invert of river outlet. Reservoir is terminal reservoir of the Fryingpan-Arkansas project and is used to provide flood control, municipal and industrial supplies, and to fulfill irrigation requirements in the Arkansas River Valley. Figures given are total contents.

COOPERATION.--Records provided by U.S. Bureau of Reclamation.

EXTREMES FOR PERIOD OF RECORD.--Maximum contents, 295,480 acre-ft, Feb. 12, 1985, elevation, 4,886.94 ft; minimum since appreciable storage was attained, 22,680 acre-ft, Nov. 13, 1974, elevation, 4,790.50 ft.

EXTREMES (AT 2400) FOR CURRENT YEAR.--Maximum contents, 114,210 acre-ft, Mar. 19, elevation, 4,840.70 ft; minimum contents, 66,170 acre-ft, Sept. 23, elevation, 4,820.65 ft.

MONTHEND ELEVATION AND CONTENTS, AT 2400, WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003

Date	Elevation (feet)	Contents (acre-feet)	Change in contents (acre-feet)
Sept. 30. . . . . . . . . . . . . . . . . . . . . . . . .	4,826.27	78,080	-
Oct. 31 . . . . . . . . . . . . . . . . . . . . . . . . .	4,826.16	77,830	-250
Nov. 30 . . . . . . . . . . . . . . . . . . . . . . . . .	4,827.93	81,810	+3,980
Dec. 31 . . . . . . . . . . . . . . . . . . . . . . . . .	4,832.24	92,040	+10,230
CAL YR 2002. . . . . . . . . . . . . . . . . . . .	-	-	-24,730
Jan. 31 . . . . . . . . . . . . . . . . . . . . . . . . .	4,835.94	101,430	+9,390
Feb. 28 . . . . . . . . . . . . . . . . . . . . . . . . .	4,838.89	109,270	+7,840
Mar. 31 . . . . . . . . . . . . . . . . . . . . . . . . .	4,840.52	113,710	+4,440
Apr. 30 . . . . . . . . . . . . . . . . . . . . . . . . .	4,837.48	105,490	-8,220
May 31. . . . . . . . . . . . . . . . . . . . . . . . . .	4,832.15	91,820	-13,670
June 30 . . . . . . . . . . . . . . . . . . . . . . . . .	4,826.07	77,630	-14,190
July 31 . . . . . . . . . . . . . . . . . . . . . . . . .	4,823.66	72,420	-5,210
Aug. 31 . . . . . . . . . . . . . . . . . . . . . . . . .	4,821.32	67,540	-4,880
Sept. 30. . . . . . . . . . . . . . . . . . . . . . . . .	4,820.66	66,190	-1,350
WTR YR 2003. . . . . . . . . . . . . . . . . . .	-	-	-11,890