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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
02186000 TWELVE MILE CREEK NEAR LIBERTY, SC
LOCATION - Lat 34°48'05", long 82°44'55" referenced to North American Datum of 1927, Pickens County, SC, Hydrologic Unit 03060101, on State Highway 137, 0.8 mi downstream from Rices Creek, and 3.4 mi west of Liberty.
DRAINAGE AREA - 106 mi².
REVISIONS HISTORY - Mean gage heights for measurements 307 to 312 were adjusted +0.02ft on 09/08/2022, based on datum adjustments from levels on 07/21/2022.
SURFACE-WATER RECORDS
PERIOD OF RECORD -
DISCHARGE: May 1967 to July 1968 (discharge measurements only), July 1954 to September 1964, May 1989 to September 2001, October 2001 to September 2004 (crest-stage partial record), October 2004 to current year.
GAGE HEIGHT: October 2016 to current year.
DISCHARGE: May 1967 to July 1968 (discharge measurements only), July 1954 to September 1964, May 1989 to September 2001, October 2001 to September 2004 (crest-stage partial record), October 2004 to current year.
GAGE HEIGHT: October 2016 to current year.
GAGE - Satellite telemetry with a water-stage recorder. Datum of gage is 821.90 ft above NAVD of 1988 (GNSS survey).
REMARKS - Gage-height records are generally good to fair. Discharge records are generally fair except for estimated discharges, which are poor. Additional details on the accuracy of the records can be obtained by contacting the USGS South Atlantic Water Science Center at gs-w-ga_nwisweb_data_inquiries@usgs.gov.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge recorded, 11,700 cfs, estimated, February 06, 2020; maximum gage height recorded, 17.25 feet, February 06, 2020; minimum daily discharge, 12.2 cfs, August 12-13, 2008.
CLIMATOLOGICAL RECORDS
PERIOD OF RECORD - October 1993 to September 2001, December 2002 to current year.
INSTRUMENTATION - Tipping-bucket raingage.
