USGS Water-Year Summary 2024
264755081460802 CH 324. USGS Observation Well near Alva, FL.
Intermediate aquifer system
Hawthorn Limestone Aquifer
LOCATION - Lat 26°47'55", long 81°46'08" referenced to North American Datum of 1983, in NE 1/4 NE 1/4 NW 1/4 sec.25, T.42 S., R.25 E., Charlotte County, FL, Hydrologic Unit 03090205, 10 ft north of Coral Rock Quarry Road, 75 ft south of Cook Brown Road, 0.6 mi west of State Road 31, 2.0 mi north of Lee/Charlotte County line.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 192 ft. Upper casing diameter 2 in; top of first opening 179 ft, bottom of last opening 192 ft. Artesian well, open hole 188 to 192 ft.
DATUM - Land-surface datum is 30.9 ft above National Geodetic Vertical Datum of 1929. Measuring point: Top of casing, 33.69 ft above National Geodetic Vertical Datum of 1929, May. 1, 2001 to present.
PERIOD OF RECORD - May 2001 to October 2018 (continuous), November 2018 to October 2019 (monthly), November 2020 to current.
GAGE - Satellite data collection platform, with pressure transducer.
EXTREMES FOR PERIOD OF RECORD - Highest water level recorded, 25.64 ft NGVD, Sept. 28, 29, 2003; lowest, 2.18 ft below NGVD, May 20, 2022.