USGS Water-Year Summary 2024
08075500 Sims Bayou at Houston, TX
LOCATION - Lat 29°40'27", long 95°17'21" referenced to North American Datum of 1927, Harris County, TX, Hydrologic Unit 12040104, on left bank of State Highway 35 in southeast Houston and 7.0 mi upstream from mouth.
DRAINAGE AREA - 63 mi².
REVISIONS HISTORY - WSP 1922: 1960. 1975(M). WDR TX-77-2: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - Oct. 1952 to Sept. 1995 (daily mean discharge), Oct. 1995 to current year (peak discharges greater than base discharge).
PERIOD OF RECORD, Water-Quality.--
CHEMICAL DATA: Oct. 1968 to Sept. 1998.
BIOCHEMICAL DATA: Oct. 1968 to Sept. 1998.
PESTICIDE DATA: Oct. 1968 to Sept. 1998.
PERIOD OF DAILY RECORD, Water-Quality.--
SPECIFIC CONDUCTANCE: Oct. 1993 to Sept. 1997.
pH: Oct. 1993 to Sept. 1997.
WATER TEMPERATURE: Oct. 1993 to Sept. 1997.
DISSOLVED OXYGEN: Oct. 1993 to Sept. 1997.
GAGE - Water-stage recorder. Datum of gage is NGVD 1988, 2001 adjustment. Prior to Oct. 1, 2016, datum of gage 3.09 ft below NGVD 1929, 1973 adjustment, unadjusted for land-surface subsidence (4.526 ft below current datum). Satellite telemeter at station.
AVERAGE DISCHARGE FOR PERIOD OF RECORD - 43 years (water years 1953-95), 96.5 ft³/s (69,900 acre-ft).