USGS Water-Year Summary 2023
08068325 Willow Creek near Tomball, TX
LOCATION - Lat 30°06'19", long 95°32'47" referenced to North American Datum of 1927, Harris County, TX, Hydrologic Unit 12040102, on downstream side of bridge at Kuykendahl Rd., 0.6 mile upstream from Cannon Gully, 4.0 miles east of Tomball.
DRAINAGE AREA - 41 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - July 1984 to June 1990, Apr. 1991 to Sept. 2006 (annual maximum discharge), Oct. 2006 to current year (daily mean discharge).
GAGE - Water-stage recorder. Datum of gage is NAVD 1988, 2001 adjustment. Prior to Oct. 1, 2008, datum of gage 100.00 ft above NVGD of 1929, 1978 adjustment (99.19 ft above current datum). Radio telemeter at station. Satellite telemeter at station.