USGS Water-Year Summary 2025
03424730 SMITH FORK AT TEMPERANCE HALL, TN
LOCATION - Lat 36°05'14.11", long 85°54'26.87" referenced to North American Datum of 1927, Dekalb County, TN, Hydrologic Unit 05130108, on left bank 150 ft downstream from James Slager Memorial bridge on State Highway 264, 0.3 mi northwest of Temperance Hall, and at mile 8.8.
DRAINAGE AREA - 214 mi².
REVISIONS HISTORY - Revisions for peak discharges for water years 1992 through 2011 are documented in the report for 2012 http://wdr.water.usgs.gov/wy2012/pdfs/03424730.2012.pdf.
SURFACE-WATER RECORDS
PERIOD OF RECORD - August 1991 to current year.
GAGE - Data collection platform and crest-stage gage.
Datum of gage is 498.45 ft above NAVD of 1988, (Reference Frame NAD_83 (2011) (EPOCH:2010.0000) GEOID18).
Prior to March 11, 2025, the datum of gage was 498.91 ft NAVD of 1988. However, the uncertainty was out of policy at +/- 0.40 ft.
Prior to May 17, 2016, the datum of gage was 499.00 ft NGVD of 1929.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 38,700 ft³/s, Nov. 7, 2017, gage height 27.50 ft; minimum discharge 3.3 ft³/s, several days 2007, 2008, 2009 and Sept. 15, 2011.