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USGS Water-Year Summary 2024
08063100 Richland Creek near Dawson, TX
LOCATION - Lat 31°56'18", long 96°40'52" referenced to North American Datum of 1927, Navarro County, TX, Hydrologic Unit 12030108, on upstream side of State Highway 31 bridge, 1.3 mi upstream from St. Louis Southwestern Railway Lines bridge, 1.7 mi downstream from Navarro Mills Dam, 2.5 mi upstream from Post Oak Creek, and 3.6 mi northeast of Dawson.
DRAINAGE AREA - 333 mi².
REVISIONS HISTORY - WDR-US-2009: 1988 (M).
SURFACE-WATER RECORDS
PERIOD OF RECORD - Oct. 1960 to current year.
PERIOD OF RECORD, Water-Quality.--
CHEMICAL DATA: Jan. to Mar. 1964, Oct. 1980 to Sept. 1982, Feb. 2000 to Aug. 2004.
BIOCHEMICAL DATA: Oct. 1980 to Sept. 1982, Feb. 2000 to July 2001.
RADIOCHEMICAL DATA: Mar. to May 1981, Feb. 2000 to Aug. 2004.
GAGE - Water-stage recorder. Datum of gage is 367.52 ft above NGVD of 1929 and 367.52 ft above NAVD of 1988. Nov. 21, 1960, to Sept. 30, 1982, recording gage at same site and at 3.00 ft higher datum. Prior to Nov. 21, 1960, nonrecording gage at same 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. Since Mar. 15, 1963, flow has been regulated by Navarro Mills Dam. At times flow may be affected by discharge from floodwater-retarding structures controlling runoff from a 1.28 mi² area below Navarro Mills Lake and above this station. No known diversions. No flow at times.
EXTREMES OUTSIDE PERIOD OF RECORD - Maximum stage since about 1895, about 31 ft June 19, 1929, from information by local residents. Floods in 1946 and 1957 reached a stage of about 26 ft, from information by local residents.
EXTREMES FOR PERIOD PRIOR TO REGULATION - WATER YEARS 1961-1963: Maximum discharge, 25,500 ft³/s, July 3, 1961, gage height, 22.50 ft, from rating curve extended above 14,000 ft³/s; no flow at times.
AVERAGE DISCHARGE FOR PERIOD PRIOR TO REGULATION - 3 years (water years 1961-63) prior to completion of Navarro Mills Lake, 181 ft³/s (131,100 acre-ft/yr)
