USGS Water-Year Summary 2023
02301300 SOUTH PRONG ALAFIA RIVER NEAR LITHIA, FL.
LOCATION - Lat 27°47'47", long 82°07'04" referenced to North American Datum of 1927, in SW 1/4 sec.9, T.31 S., R.22 E., Hillsborough County, FL, Hydrologic Unit 03100204, on upstream face of bridge, 1.5 mi upstream from Halls Branch, 5.0 mi southeast of Lithia, FL and 7.6 mi upstream from mouth.
DRAINAGE AREA - 107 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - December 1962 to current year.
GAGE - Water-stage recorder. Datum of gage is 40.00 ft above National Geodetic Vertical Datum of 1929 and 39.03 ft above North American Vertical Datum of 1988. Prior to Oct. 13, 1965, at datum 41.56 ft lower; Oct. 13, 1965, to Apr. 11, 1975, at datum 10.00 ft higher; Nov. 29, 1971, to July 25, 1972, nonrecording gage. Prior to July 25, 1972, at site 12 ft downstream; July 25, 1972, to Dec. 17, 1973, at site 60 ft upstream.
COOPERATION - This gage is monitored in cooperation with Southwest Florida Water Management District.
CLIMATOLOGICAL RECORDS
PERIOD OF RECORD - March 2016 to February 2021 (discontinued).
WATER-QUALITY RECORDS
PERIOD OF RECORD - March 1965 to September 2011 (discontinued).