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Water-Year Summary for Site 08136600

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Available Parameters
00054 Reservoir storage(Max.,Min.,Mean,Obs.)  
62614 Elevation, lake/res, NGVD29(Max.,Min.,Mean,Obs.)  

Water year 2019: 2019-10-01 to 2020-09-30
 

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USGS Water-Year Summary 2019
08136600 O. H. Ivie Reservoir near Voss, TX
LOCATION - Lat 31°30'00", long 99°40'05" referenced to North American Datum of 1927, Coleman County, TX, Hydrologic Unit 12090106, on left bank, in outlet structure of Freese-Nichols Dam on Colorado River, 8.0 mi northeast of Millersview, 10.0 mi southwest of Voss, and at mile 615.1.
DRAINAGE AREA - 24,038 mi² of which 11,391 mi² probably is noncontributing.
SURFACE-WATER RECORDS
PERIOD OF RECORD - Sept. 1990 to Sept. 2003 (daily mean contents), Oct. 2003 to Sept. 2004 (daily mean elevation), Oct. 2004 to current year.
GAGE - Water-stage recorder. Datum of gage determined from Colorado River Municipal Water District survey point (vertical control unknown). Satellite telemeter at station.
COOPERATION - Records of diversions may be obtained from the Colorado River Municipal Water District.
REMARKS - The lake is formed by a concrete dam and spillway with six 50- by 40-foot tainter gates, and a 6,000 ft overflow spillway with a 2,000 ft tapered fuse plug release feature. Total length of the dam is 12,000 ft. The dam was completed and storage began Mar. 15, 1990. Recording equipment was installed May 30, 1990, but water did not reach the sensing point until Sept. 21, 1990 (at an elevation of 1,502.05 ft). The dam is owned by the Colorado River Municipal Water District. Water is utilized for municipal use for several West Texas communities, the city of San Angelo being the largest user. The capacity curve is based on a survey made in 1989 by Freese and Nichols, Consulting Engineers, Fort Worth, TX. Data regarding the dam are given in the following table:
                                                                              Elevation (feet)
Top of dam............................................................         1,584.0
Crest of overflow spillway............................................         1,563.0
Crest of spillway (tainter gates sill)................................         1,528.0
Lowest gated outlet (service outlet)..................................         1,440.0
EXTREMES FOR PERIOD OF RECORD - Sept. 1990 to Sept. 2003, Oct. 2004 to current year: Maximum contents, 574,700 acre-ft, June 26, 1997; minimum contents after initial filling, 59,110 acre-ft, May 24, 2014; Sept. 1990 to current year: Maximum elevation, 1,552.55 ft, June 26, 1997; minimum elevation, 1,502.46 ft, May 24, 2014.