USGS Water-Year Summary 2020
08088400 Lake Graham near Graham, TX
LOCATION - Lat 33°08'04", long 98°36'48" referenced to North American Datum of 1927, Young County, TX, Hydrologic Unit 12060201, near left end of earthen dam on Salt Creek, 2.2 mi northwest of Graham, 5.0 mi downstream from Briar Creek, and 9.5 mi upstream from mouth.
DRAINAGE AREA - 221 mi².
- WDR TX-76-2: Drainage area.
PERIOD OF RECORD - Oct. 1963 to Sept. 2002 (daily mean contents), Oct. 2002 to current year (daily mean elevation). Prior to Oct. 1965, end of month contents only.
PERIOD OF RECORD, Water-Quality.--
CHEMICAL DATA: July 1971 to May 1984.
BIOCHEMICAL DATA: July 1971 to Oct. 1973.
RADIOCHEMICAL DATA: Jan. 1981.
GAGE - Water-stage recorder. Datum of gage is 1.30 ft above NGVD of 1929. Prior to Oct. 1963, nonrecording gage at same site and datum. Satellite telemeter at station.
COOPERATION - Capacity table was provided by Freese and Nichols Inc., Consulting Engineers. New capacity table from Texas Water Development Board hydrosurvey of June 1998 was put into use Oct. 1, 2000.
EXTREMES FOR PERIOD OF RECORD - (period of daily mean contents) Maximum contents, 63,280 acre-ft, May 3, 1990, elevation 1,078.52 ft; minimum, 23,130 acre-ft Oct. 18, 2000, elevation 1,064.25 ft; (period of daily mean elevation) maximum elevation, 1,078.00 ft, Apr. 18, 2010; minimum elevation, 1,060.12 ft Apr. 17, 2015.