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Water-Year Summary for Site 08068720

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
  • For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
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Available Parameters
00060 Discharge(Mean,Max.,Min.)  
00065 Gage height(Mean)  

Water year 2019: 2018-10-01 to 2019-09-30
 

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USGS Water-Year Summary 2019
08068720 Cypress Creek at Katy-Hockley Road near Hockley, TX
LOCATION - Lat 29°57'00", long 95°48'29" referenced to North American Datum of 1927, Harris County, TX, Hydrologic Unit 12040102, on left bank at bridge on Katy-Hockley Road, 3.3 mi downstream from Cypress Creek at Sharp Road near Hockley (station 08068700), 5.6 mi southeast of Hockley, and 6.3 mi upstream from Cypress Creek at House-Hahl Road near Cypress (station 08068740).
DRAINAGE AREA - 110 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - June 1975 to July 1983, Feb. 1984 to current year.
GAGE - Water-stage recorder. A concrete weir located 0.9 mi downstream from the gage, washed out on Aug. 11, 1991. Datum of gage is NAVD 1988, 2001 adjustment. Prior to Oct. 1, 2011, datum of gage was 100.00 ft above NGVD of 1929 (99.16 ft above the current datum). Radio telemeter at station. Satellite telemeter at station.
REMARKS - No known regulation. Considerable diversions and return flow from irrigation occurs upstream from station, especially during the period Apr. through Oct. Stage-discharge relation affected by seasonal vegetal growth during most years. No flow at times. Some records listed in the "Period of Record" for surface water and water quality may not be available electronically.
EXTREMES OUTSIDE PERIOD OF RECORD - A flood in June 1960 reached a stage of 62.0 ft (datum then in use), from information by local resident.