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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.
- For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
- Not all sites have reports available for every water year.
USGS Water-Year Summary 2024
02313098 RAINBOW RIVER NEAR DUNNELLON, FL
LOCATION - Lat 29°04'16.7", long 82°25'35.8" referenced to North American Datum of 1983, in SW 1/4 sec.19, T.16 S., R.19 E., Marion County, FL, Hydrologic Unit 03100208, on left bank, 2.5 mi downstream from main spring boil, and 3.2 mi upstream from mouth.
DRAINAGE AREA - Indeterminate.
SURFACE-WATER RECORDS
PERIOD OF RECORD - November 2013 to current year.
GAGE - Water-stage recorder, acoustic velocity meter, and data-collection platform. Datum of gage is 22.72 ft above North American Vertical Datum of 1988.
REMARKS - Discharge measurements made approximately 0.5 mi downstream of the gage; surface inflow between springs and measuring site is negligible except after heavy rain. Starting October 2015 discharge is computed from velocity, as recorded by ADVM, and water level elevation. From the beginning of the period of record, and prior to October 2015, discharge computed from relation between artesian pressure at Rainbow Springs Well (290514082270701) and discharge at measuring site.
WATER-QUALITY RECORDS
PERIOD OF RECORD - October 2015 to September 2021 (discontinued).
INSTRUMENTATION - Water-quality monitor consisting of nitrate sensor.
EXTREMES FOR PERIOD OF RECORD - NITRATE: Maximum, 1.95 mg/l, several days in the 2021 water year; minimum, 0.85 mg/l, Sept. 2, 2016.
