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
07346045 Black Cypress Bayou at Jefferson, TX
LOCATION - Lat 32°46'40", long 94°21'26" referenced to North American Datum of 1927, Marion County, TX, Hydrologic Unit 11140306, near center of channel at downstream side of bridge on U.S. Highway 59, 1.1 mi north of Jefferson, 2.0 mi upstream from Texas and Pacific Railway Co. bridge, and 5.2 mi upstream from mouth.
DRAINAGE AREA - 365 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - May 1938 to Sept. 1955 (daily gage heights), Nov. 1956 to Aug. 1968 (daily gage heights and discharge measurements) published by U.S. Army Corps of Engineers as Black Cypress Creek at Jefferson, Sept. 1964 to Aug. 1968 (low-flow partial-record), Sept. 1968 to current year.
PERIOD OF RECORD, Water-Quality.--
CHEMICAL DATA: Mar. 1965 to Aug. 1981, Aug. 2006.
BIOCHEMICAL DATA: Mar. 1965 to Aug. 1973, Aug. 2006.
RADIOCHEMICAL DATA: Jan. to June 1981.
SEDIMENT DATA: Aug. 2006, May 2009.
GAGE - Water-stage recorder. Datum of gage is 171.47 ft above NGVD of 1929 (U.S. Army Corps of Engineers benchmark), 171.49 ft above NAVD of 1988. Satellite telemeter at station.
REMARKS - Some records listed in the "Period of Record" for surface water and water quality may not be available electronically. No known regulation or diversions. No flow at times.
EXTREMES OUTSIDE PERIOD OF RECORD - Maximum stage since 1938, 22.42 ft Apr. 29, 1958, from records by U.S. Army Corps of Engineers.
