USGS Water-Year Summary for Site 08066500

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.

	Available Parameters
	00060 Discharge(Mean,Max.,Min.)
	00065 Gage height(Mean)

Select a water year

Water year 2024: 2023-10-01 to 2024-09-30

Print this page

USGS Water-Year Summary 2024

08066500 Trinity River at Romayor, TX

LOCATION - Lat 30°25'30", long 94°51'02" referenced to North American Datum of 1927, Liberty County, TX, Hydrologic Unit 12030202, near right bank at downstream side of bridge on State Highway 787, 1.9 mi south of Romayor, 1.9 mi downstream from Gulf, Colorado, and Santa Fe Railway Co. bridge, 3.7 mi downstream from Big Creek, and at mile 94.3.

DRAINAGE AREA - 17,186 mi².

REVISIONS HISTORY - WSP 1392: 1932, 1935. WSP 1922: Drainage area. WDR TX-81-1: 1980 (M, m).

SURFACE-WATER RECORDS

PERIOD OF RECORD - May 1924 to current year (daily mean discharge). Monthly discharge only for some periods, published in WSP 1312. PERIOD OF RECORD, Water-Quality.-- CHEMICAL DATA: Oct. 1941 to Nov. 1949, Feb. 1950 to Sept. 1951, Oct. 1953 to Sept. 1995. BIOCHEMICAL DATA: Feb. 1968 to Sept. 1995. PESTICIDE DATA: Feb. 1968 to July 1981, Aug. 1983 to Sept. 1995. RADIOCHEMICAL DATA: Feb. 1981 to Dec. 1992. SEDIMENT DATA: Mar. 1959 to Sept. 1995. SUSPENDED SEDIMENT DATA: Oct. 1954 to Sept. 1955, Oct. 1968 to Sept. 1971. PERIOD OF DAILY RECORD, Water-Quality.-- SPECIFIC CONDUCTANCE: Oct. 1941 to Sept. 1942, Jan. 1944 to Sept. 1951, Oct. 1953 to Sept. 1994. WATER TEMPERATURE: Oct. 1941 to Sept. 1950, Oct. 1953 to Sept. 1994.

GAGE - Water-stage recorder. Datum of gage is 25.92 ft above NGVD of 1929, 25.51 ft above NAVD of 1988. Prior to Oct. 1, 1943, nonrecording gage at datum 63.57 ft higher at railroad bridge 1.9 mi upstream. Oct. 1, 1943, to Dec. 31, 1988, water-stage recorder and nonrecording gage (Sept. 15, 1975, to June 16, 1977) at present site and at datum 10.00 ft higher than current datum. Satellite telemeter at station.

REMARKS - Since installation of gage in water year 1924, at least 10% of contributing drainage area has been regulated. Gage height associated with historical peak discharge is referenced to datum then in use. Some records listed in the "Period of Record" for surface water and water quality may not be available electronically.