USGS Water-Year Summary 2019
08036500 Angelina River near Alto, TX
LOCATION - Lat 31°40'18", long 94°57'09" referenced to North American Datum of 1927, Cherokee County, TX, Hydrologic Unit 12020004, on left bank of rectified channel on downstream side of bridge on State Highway 21, 0.4 mi upstream from Allen Creek, 1.5 mi upstream from Bingham Creek, 7.5 mi east of Alto, and 149.3 mi upstream from mouth.
DRAINAGE AREA - 1,276 mi².
- WSP 1732: Drainage area.
PERIOD OF RECORD - May to Aug. 1940 (discharge measurements only), Sept. 1940 to Mar. 1949 (fragmentary for 1941-42, 1944-49), Feb. 1959 to current year.
PERIOD OF RECORD, Water-Quality.--
CHEMICAL DATA: Nov. 1961 to Mar. 1964.
BIOCHEMICAL DATA: Nov. 1961 to Mar. 1964.
GAGE - Water-stage recorder. Datum of gage is 214.30 ft above NGVD of 1929. Prior to Oct. 1, 2012, datum of gage was 10.00 ft lower (204.30 ft above NGVD of 1929). May 9, 1940, to Mar. 31, 1949, nonrecording gage on bridge at natural channel 1,400 ft to right at same datum. Feb. 18 to Sept. 15, 1959, nonrecording gage at present site and datum. Satellite telemeter at station.
EXTREMES OUTSIDE PERIOD OF RECORD - A flood in May 1908 reached a stage of about 22 ft (datum then in use), from information by local residents. Flood in 1932 reached a stage of 21.5 ft (datum then in use), from floodmarks and from information by local residents.