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3 data types available - data from 1981-10-28 to 2025-03-27

31 Observed properties (data types) available - with data from 1981-05-13 to 2010-02-18

329 Sampling activities

0 data types available

Groundwater levels above NGVD 1929 for the period Oct. 24, 2012, to Jan. 26, 2024, were revised on Sep. 9, 2025, to correct a datum error.

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Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	261740081235401	n/a
Location name	C - 684 Collier County, FL	n/a
Site type	Well	GW
Decimal latitude (WGS84)	26.2951	n/a
Decimal longitude (WGS84)	-81.39590277777778	n/a
Latitude-longitude method	Interpolated from map	M
Latitude-longitude accuracy	Accurate to + or - .1 sec (Differentially-Corrected GPS).	1
District		122
State	Florida	12
County	Collier County	021
Country	United States of America	n/a
Altitude of gage/land surface	19.5 feet	n/a
Method altitude determined	Level or other surveyed method.	L
Altitude accuracy	0.1 feet	n/a
Altitude datum	National Geodetic Vertical Datum of 1929	NGVD29
Subbasin hydrologic unit	Big Cypress Swamp	03090204
Drainage basin	25	n/a
Date of first construction		n/a
Drainage area		n/a
Contributing drainage area		n/a
Time zone abbreviation	EST	n/a
Site honors Daylight Saving Time	Y	n/a
National aquifer	Intermediate aquifer system	S500INTRMD
Local aquifer	Hawthorn Limestone Aquifer	122HTRNN
Local aquifer type		n/a
Well depth	490 feet	n/a
Hole depth		n/a
Source of depth data		n/a

Monitoring location C - 684 Collier County, FL - USGS-261740081235401