USGS Water-Year Summary 2022
03602500 PINEY RIVER AT VERNON, TN
LOCATION - Lat 35°52'16.31", long 87°30'05.00" referenced to North American Datum of 1927, Hickman County, TN, Hydrologic Unit 06040003, on left bank at county highway bridge, 440 ft upstream from Pretty Creek, 0.2 mi northwest of Vernon, 2.3 mi downstream from Mill Creek, 6.5 mi north of Centerville, and at mile 8.3, prior to July 2005 at site 350 ft upstream.
DRAINAGE AREA - 193 mi².
REVISIONS HISTORY -
WSP 758: 1927(M). WSP 823: Drainage area. WSP 1306: Drainage area at site used Feb. 9, 1931, to May 10, 1934. WSP 1436: 1926(M), 1927, 1929, 1930-31(M), 1932, 1934(M). The maximum discharge for water year 2010 was revised on May 26, 2022, based on an indirect measurement made following the flood of Aug. 21, 2021.
SURFACE-WATER RECORDS
PERIOD OF RECORD - July 1925 to December 1993. January 1994 to October 2000, crest-stage partial record station. November 2000 to current year.
GAGE - Data collection platform and crest-stage gage. 461.74 ft. NAVD88 (elevation determined from NOAA National Geodetic Survey "Vertcon" model by adjusting the zero of gage elevation of 461.72 ft. (NGVD 1929) by +.02 ft. to 461.74 (NAVD 88). Prior to May 11, 1934, nonrecording gage; July 3, 1925, to Feb. 8, 1931, at site 350 ft upstream at datum 3.17 ft higher; Feb. 9, 1931, to May 10, 1934, at site 0.4 mi downstream at datum 0.40 ft higher. May 11, 1934, to Sept. 30, 1970, water-stage recorder at site 350 ft upstream; prior to June 29, 1965, at datum 3.17 ft higher, and 2.17 ft higher thereafter.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 77,300 ft³/s, Aug. 21, 2021, gage height, 32.78 ft from high water marks; minimum discharge 35 ft³/s September 19-20, 1936.