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- 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.
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USGS Water-Year Summary 2024
03578000 ELK RIVER NEAR PELHAM, TN
LOCATION - Lat 35°17'48.19", long 85°52'11.19" referenced to North American Datum of 1927, Grundy County, TN, Hydrologic Unit 06030003, on top of left abutment at downstream side of bridge on U.S. Highway 41, 1.1 mi southeast of Pelham, 1.8 mi upstream from Caldwell Creek, and at mile 194.2.
DRAINAGE AREA - 65.6 mi².
REVISIONS HISTORY - WRD TN 1973: 1963(P), 1965(M), 1966(P), 1969(M), 1970-71(P).
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1951 to November 1987, November 2000 to current year.
GAGE -
Data collection platform, stage sensor, and permanent rain gage. Datum of gage is 981.04 ft above NAVD of 1988, (Reference Frame NAD_83 (2011) (EPOCH:2010.0000) GEOID18).
Prior to May 21, 2024, the datum of gage was 981.00 NAVD of 1988.
Prior to July 2016, the datum of gage was 981.00 NGVD of 1929
Prior to February 2007, the datum of gage was 981.62 NGVD of 1929
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 15,800 ft³/s, Mar. 16, 1973, gage height, 14.08 ft; minimum discharge, 0.21 ft³/s, Oct. 7, 2008.
CLIMATOLOGICAL RECORDS
PERIOD OF RECORD - Oct. 1, 2011 to current year.
INSTRUMENTATION - Unshielded, standard 8-inch diameter, tipping-bucket precipitation gage, without heater, mounted on top of gage house tower with the top of the collector approximately 10 ft above ground.
REMARKS - Precipitation data collected during freezing periods may not accurately reflect daily record.
