USGS Water-Year Summary 2025
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.
WATER-QUALITY RECORDS
PERIOD OF RECORD -
NITRATE: October 2015 to September 2021 (discontinued).
TEMPERATURE: December 2023 to current year.
INSTRUMENTATION - Water-quality monitors consisting of two temperature sensors located near the surface and near the bottom.
EXTREMES FOR PERIOD OF RECORD - TEMPERATURE: Top sensor maximum, 25.6 °C, June 06, 07, 09, 2024; bottom sensor maximum, 25.6 °C, June 06, 07, 09, 2024 and July 03, 2024; top sensor minimum, 21.1 °C, Jan. 21, 2024; bottom sensor minimum, 21.1 °C, Jan. 21, 2024.