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Water-Year Summary for Site 02237000

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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.
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Available Parameters
00045 Precipitation(Sum)  
00065 Gage height(Mean)  

Water year 2021: 2021-10-01 to 2022-09-30

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USGS Water-Year Summary 2021
LOCATION - Lat 28°36'56", long 81°51'53" referenced to North American Datum of 1927, in SW 1/4 sec.36, T.21 S., R.24 E., Lake County, FL, Hydrologic Unit 03080102, on left bank 260 ft upstream from spillway, 0.4 mi downstream from bridge on State Highway 565, 0.7 mi downstream from Lake Emma, and 3.2 mi northeast of Mascotte.
DRAINAGE AREA - 182 mi².
REVISIONS HISTORY - WDR FL-72-1: Drainage area.
PERIOD OF RECORD - May 1945 to February 1956, April 1964 to September 1965, October 1965 to September 1995 (gage heights and periodic discharge measurements only), January 2002 to current year (gage heights only).
GAGE - Water-stage recorder and data-collection platform. Datum of gage is at NGVD of 1929. Prior to May 21, 1946, nonrecording gage and May 21, 1946 to Mar. 20, 1956, water-stage recorder, at site 0.5 mi upstream at datum 89.54 ft higher. Since Apr. 6, 1964, auxiliary water- stage recorder on left bank 260 ft downstream from spillway.
COOPERATION - This gage is monitored in cooperation with the Lake County Water Authority.
REMARKS - Since Dec. 4, 1963, flow regulated at station by manipulation of gates in spillway. From March 1956 to December 1963, flow was regulated through two box culverts with radial lift gates. River stage below the lowest recordable gage height some years.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 458 ft³/s, Oct. 4,5, 1945; maximum gage height, 96.66 ft, former site, present datum, Oct. 11,12, 1953; gates closed and no flow or leakage for many days in 1972-83; minimum gage height unknown, below lowest recordable stage.
PERIOD OF RECORD - April 1980 to November 1984, January 2004 to current year.
INSTRUMENTATION - Tipping-bucket rain gage and data-collection platform--15-minute interval.
REMARKS - Collection, computation and publication of precipitation data do not necessarily conform to standards used by the National Weather Service. Records of precipitation prior to October 2006, not published but are available in files of the U. S. Geological Survey.