USGS Water-Year Summary for Site 02323566

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	Available Parameters
	00010 Temperature, water(Max.,Mean,Min.)
	00060 Discharge(Mean)
	00065 Gage height(Mean)
	00095 Specific cond at 25C(Min.,Mean,Max.)
	00300 Dissolved oxygen(Max.,Mean,Min.)
	00400 pH(Max.,Min.,Med.)
	63160 Stream level, NAVD88(Mean)
	99133 NO3+NO2,water,insitu(Max.,Mean,Min.)

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Water year 2023: 2022-10-01 to 2023-09-30

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USGS Water-Year Summary 2023

02323566 MANATEE SPRING NEAR CHIEFLAND, FL

LOCATION - Lat 29°29'22", long 82°58'37" referenced to North American Datum of 1927, in SE 1/4 sec.26, T.11 S., R.13 E., Levy County, FL, Hydrologic Unit 03110205, on left bank of Suwannee River at Manatee Spring State Park, 300 ft downstream of spring pool, and 7.2 mi west of Chiefland.

DRAINAGE AREA - Indeterminate.

REVISIONS HISTORY -

FL-05-4: 2003-04. The maximum stage for the period of record is 10.13 ft, Apr. 20, 2009; the previously published figure was reported in error at 10.16 ft, Apr. 20, 2009.

Total Dissolved Solid data published from July 1, 2014 to October 24, 2017 were removed from publication on March 30, 2018.

SURFACE-WATER RECORDS

PERIOD OF RECORD - March 1932 to June 1998 (miscellaneous measurements), January 2001 to current year.

GAGE - Water-stage recorder and data-collection platform. Datum of gage is 0.36 ft above NGVD of 1929 and 0.29 ft below NAVD of 1988.

COOPERATION - This gage monitored in cooperation with the Suwannee River Water Management District.

REMARKS - Flow affected by tide and variable backwater from the Suwannee River. Discharge computed from head difference with Manatee Springs State Park well, provided by Suwannee River Water Management District, until April 9, 2014. Following April 9, 2014, Manatee Springs State Park well was maintained by the U.S. Geological Survey. Prior to October 2012 discharge computed using different methods.

WATER-QUALITY RECORDS

PERIOD OF RECORD -

SPECIFIC CONDUCTANCE: July 2014 to current year.

WATER TEMPERATURE: July 2014 to current year.

DISSOLVED OXYGEN: July 2014 to current year.

pH: July 2014 to current year.

NITRATE: July 2014 to current year

INSTRUMENTATION - Water-quality monitor and data-collection platform.

REMARKS - Extremes for current year and extremes for period of daily record are based on recorded values and may have been exceeded during periods of no record. July 2014 to current year, water temperature, specific conductance and dissolved oxygen published as instantaneous maximum and minimum and daily mean; pH published as instantaneous maximum and minimum and daily median. During periods of higher water levels the Suwannee River backs up into the spring run. The water quality data collected during these periods are not representative of water coming from the spring but from the Suwannee River.

EXTREMES FOR PERIOD OF RECORD -

SPECIFIC CONDUCTANCE: Maximum, 17300 µS/cm @ 25 °C, Oct. 3, 2017; minimum, 95 µS/cm @ 25 °C, Dec. 30, 2018.

WATER TEMPERATURE: Maximum, 23.4 °C, Sept. Aug. 17, 18, 2021; minimum, 13.9 °C, Dec. 23, 2018.

DISSOLVED OXYGEN: Maximum, 6.6 mg/L, Dec. 14, 2018; minimum, 0.0 mg/L, Oct. 7, 8, 9, 16, , 2014, Sept. 22, 2019.

pH: Maximum, 7.4 std. units, many days; minimum, 6.6 std. units, Dec. 28, 2018-Jan. 4, 2019.

NITRATE: Maximum, 2.91 mg/L, Oct. 12, 2018; minimum, 1.69 mg/L, Aug. 5, 6, 2015.