USGS Water-Year Summary for Site 02327000

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	Available Parameters
	00010 Temperature, water(Max.,Min.,Mean)
	00045 Precipitation(Sum)
	00065 Gage height(Mean)
	00095 Specific cond at 25C(Max.,Min.,Mean)
	00300 Dissolved oxygen(Max.,Min.,Mean)
	00400 pH(Max.,Min.,Med.)
	63680 Turbidity, Form Neph(Min.,Mean,Max.)
	99133 NO3+NO2,water,insitu(Max.,Min.,Mean)

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Water year 2024: 2024-10-01 to 2025-09-30

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USGS Water-Year Summary 2024

02327000 WAKULLA SPRING NR CRAWFORDVILLE, FL

LOCATION - Lat 30°14'05", long 84°18'05" referenced to North American Datum of 1927, in SE 1/4 sec.11, T.3 S., R.1 W., Wakulla County, FL, Hydrologic Unit 03120001, at the riverboat tour boat dock located within Edward Ball Wakulla Springs State Park.

DRAINAGE AREA - Indeterminate.

SURFACE-WATER RECORDS

PERIOD OF RECORD - 1907, 1917, 1929, 1930 (a single measurement in each year), February 1931 to June 1932 (miscellaneous discharge measurements), July 1941 to April 1983 (miscellaneous discharge measurements), December 1987 to August 1989 (gage heights only), March 1999 to March 2010 (miscellaneous discharge measurements), January 2017 to current year (gage heights only).

GAGE - January 2017 to present, water-stage recorder and data-collection platform. Datum of gage is NAVD 88. August 12, 1930, non recording gage at datum of 4.20 ft above mean sea level, datum of 1929. July 1931 to July 1932, water stage recorder at same site and datum. September 1941 to March 1953, auxiliary nonrecording gages at McBrides Slough (02327020) at different datums and since March 1953, supplementary nonrecording gage at McBrides Slough (02327020) at datum 5.56 ft above mean sea level, datum of 1929.

WATER-QUALITY RECORDS

PERIOD OF RECORD -

Water-quality monitors installed January 27, 2017.

Specific Conductance: January 27, 2017 to current year; Temperature: January 27, 2017 to current year; pH January 27, 2017 to current year; Dissolved Oxygen: January 27, 2017 to current year; Nitrate: January 27, 2017 to current year; Turbidity: January 27, 2017 to April 4, 2019; fDOM: January 27, 2017 to January 4, 2021

INSTRUMENTATION -

Water-quality monitor consisting of temperature, specific conductivity, dissolved oxygen, and pH. An additional water-quality monitor measures only nitrate.

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.

EXTREMES FOR PERIOD OF RECORD -

SPECIFIC CONDUCTANCE:

Maximum instantaneous value: 1,110 µS/cm; Feb. 03, 2023

Minimum instantaneous value: 257 µS/cm; Dec. 10, 2018

WATER TEMPERATURE:

Maximum instantaneous value: 22.1 °C; Oct. 10, 2018

Minimum instantaneous value: 19.6°C; Dec. 12, 2018

pH:

Maximum instantaneous value: 7.8 std. units; several days

Minimum instantaneous value: 7.3 std. units; several days

DISSOLVED OXYGEN:

Maximum instantaneous value: 4.6 mg/L; Oct. 10, 2018

Minimum instantaneous value: 1.1 mg/L; Oct. 8-9, 2017, Aug. 5, 2018

NITRATE:

Maximum instantaneous value: 0.56 mg/L; March 17, 2017, March 21, 2017

Minimum instantaneous value: 0.28 mg/L; Dec. 11, 2020