USGS Water-Year Summary 2024

02311000 WITHLACOOCHEE-HILLSBOROUGH OVERFLOW NEAR RICHLAND, FL

LOCATION - Lat 28°16'16", long 82°05'53" referenced to North American Datum of 1927, in NW 1/4 sec.34, T.25 S., R.22 E., Pasco County, FL, Hydrologic Unit 03100208, on left bank, 20 ft downstream of bridge on U.S. Highway 98, 0.6 mi south of channel of Withlacoochee River, 2.9 mi east of Richland, 8.5 mi southeast of Dade City, and 55 mi upstream from mouth.

DRAINAGE AREA - Indeterminate.

SURFACE-WATER RECORDS

PERIOD OF RECORD - February 1930 to September 1931; September 1950, July 1958 to March 1960 (crest-stage gage); April 1960 to current year. Published as supplement to Hillsborough River near Zephyrhills (station 02303000) July 1958 to September 1959.

GAGE - Water-stage recorder and data-collection platform. Datum of gage is 75.42 ft above NGVD of 1929. Prior to July 17, 1958, nonrecording gage at site about 1 mi downstream at different datum; July 17, 1958, to Apr. 24, 1960, nonrecording gage and crest-stage gage at present site and datum.

COOPERATION - This gage is monitored in cooperation with the Southwest Florida Water Management District.

CLIMATOLOGICAL RECORDS

PERIOD OF RECORD - March 2015 to current year.

INSTRUMENTATION - An 8-inch diameter, tipping bucket precipitation gage 15-minute interval, mounted on a 2-inch diameter aluminum pipe with the top of the funnel 8 ft above the ground.

REMARKS - Collection, computation and publication of precipitation data do not necessarily conform to standards used by the National Weather Service.

WATER-QUALITY RECORDS

PERIOD OF RECORD - Water years 1930-1931, 1950, 1958-61, 1963, 1966, 1969-85, 1989, 1991, 1993-98, 2001 to 2011 (discontinued).