Click
to
hide
Water-Year
Summary
instructions
and
information
- 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.
- For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
- For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
- Not all sites have reports available for every water year.
USGS Water-Year Summary 2024
07346000 Big Cypress Creek near Jefferson, TX
LOCATION - Lat 32°44'58", long 94°29'55" referenced to North American Datum of 1927, Marion County, TX, Hydrologic Unit 11140306, on right bank 950 ft downstream from Ferrell's Bridge Dam, 7.6 mi upstream from French Creek, and 8.5 mi west of Jefferson.
DRAINAGE AREA - 850 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - Aug. 1924 to Dec. 1959, published as Cypress Creek near Jefferson, Oct. 1979 to current year. Records of stage and discharge for the period Oct. 1959 to Sept. 1979 published by the U.S. Army Corps of Engineers, New Orleans District.
PERIOD OR RECORD, Water-Quality.--
CHEMICAL DATA: Aug. 1981 to Aug. 2004.
BIOCHEMICAL DATA: Aug. 1981 to Aug. 2004.
RADIOCHEMICAL DATA: Feb. 1999 to Aug. 2004.
PESTICIDE DATA: Oct. 1991 to May 1992.
SEDIMENT DATA: Aug. 2006.
GAGE - Water-stage recorder. Datum of gage is 180.00 ft above NGVD of 1929 (U.S. Army Corps of Engineers benchmark) and 180.00 ft above NAVD of 1988. Prior to Nov. 2, 1933, staff gage. Nov. 2, 1933, to Dec. 8, 1955, water-stage recorder, at site about 950 ft upstream at datum 3.70 ft higher. After Dec. 9, 1955, at site about 550 ft downstream or at present site and datum. Satellite telemeter at station.
REMARKS - Some records listed in the "Period of Record" for surface water and water quality may not be available electronically. Seven major reservoirs impact runoff from 100 percent of drainage area for this station. Since Aug. 1957, flow completely regulated by Lake O' the Pines (07345900). No known diversions. No flow at times.
EXTREMES FOR PERIOD PRIOR TO REGULATION - WATER YEARS, 1925-1957: Maximum discharge, 57,100 ft³s Apr. 1, 1945, gage height, 28.78. ft, site and datum then in use, from rating curve extended above 29,000 ft³s; no flow at times.
AVERAGE DISCHARGE FOR PERIOD PRIOR TO REGULATION - 33 years (water years 1925-57), prior to completion of Ferrell's Bridge Dam, 660 ft³s (478,500 acre-ft/yr).
