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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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- Not all sites have reports available for every water year.
USGS Water-Year Summary 2024
02462951 BLACK WARRIOR RIVER AT HOLT LOCK AND DAM NEAR HOLT, AL
LOCATION - Lat 33°15'11", long 87°26'57" referenced to North American Datum of 1927, Tuscaloosa County, AL, Hydrologic Unit 03160112, on left bank 50 ft upstream from lock and dam, 0.1 mi downstream from Jim Mack Branch, 0.7 mi upstream from Hurricane Creek, 2.0 mi northeast of Holt, 3.2 mi upstream from North River, and at mile 135.1.
DRAINAGE AREA - 4,219 mi².
REVISIONS HISTORY - WDR AL-84-1: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1976 to September 2014 (Records furnished by Alabama Power Company), October 2014 to current year (gage heights only).
GAGE - Water-stage recorder. Datum of gage is NGVD of 1929 (levels by the U.S. Army Corps of Engineers).
REMARKS - Record considered good
CLIMATOLOGICAL RECORDS
PERIOD OF RECORD - October 1999 to current year. October 1999 to September 2010 in files of Geological Survey.
INSTRUMENTATION - Tipping-bucket raingage.
