USGS Water-Year Summary 2024
264755081460801 CH 323. USGS Observation Well near Alva, FL.
Surficial aquifer system
Nonartesian Sand 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 33 ft. Upper casing diameter undefined; top of first opening 19 ft, bottom of last opening 33 ft. Artesian well.
DATUM - Land-surface datum is 30.7 ft above National Geodetic Vertical Datum of 1929. Measuring point: Top of casing, 34.17 ft above National Geodetic Vertical Datum of 1929, May 2001 to present.
PERIOD OF RECORD - May 2001 to October 2018 (continuous); November 2018 to current year.
GAGE - Monthly measurement with chalked tape.
EXTREMES FOR PERIOD OF RECORD - Highest daily maximum water level, 30.73 ft above NGVD, Sept. 11 and 12, 2017, lowest, 23.37 ft NGVD, June 15, 2001.