USGS Water-Year Summary 2020
02300500 LITTLE MANATEE RIVER NEAR WIMAUMA, FL.
LOCATION - Lat 27°40'15", long 82°21'10" referenced to North American Datum of 1927, in NE 1/4 sec.25, T.32 S., R.19 E., Hillsborough County, FL, Hydrologic Unit 03100203, near center of span on downstream side of bridge on U. S. Highway 301, 1.6 mi upstream from Cypress Creek, 4.2 mi southwest of Wimauma, and 15 mi upstream from mouth.
DRAINAGE AREA - 149 mi².
- WSP 1032: 1939(M). WSP 1905: 1961-62, 1965 drainage area.
PERIOD OF RECORD - March 1939 to current year.
GAGE - Water-stage recorder. Datum of gage is National Geodetic Vertical Datum of 1929 and 0.88 ft. below North American Vertical Datum of 1988. Prior to Oct. 1, 1965, at site 75 ft downstream at datum 2.17 ft higher; Oct. 1, 1965, to Sept. 30, 1970, at site 75 ft downstream at present datum.
COOPERATION - This gage is monitored in cooperation with Southwest Florida Water Management District.
PERIOD OF RECORD - October 2001 to current year.
INSTRUMENTATION - A 6-inch diameter tipping bucket precipitation gage, 15-minute interval, mounted on a 2-inch pipe approximately 7 feet above the roadway.