LOCATION.--Lat 29°09'46.41", long 81°32'03.44" referenced to North American Datum of 1983, in land grant 37, T.15 S., R.28 E., Lake County, Hydrologic Unit 03080101.

AQUIFER.--Floridan aquifer system of the Tertiary System, Geologic Unit 120 FLRD.

WELL CHARACTERISTICS.--Drilled, observation, artesian well, diameter 6 in, depth 225 ft, casing length 175 ft.

INSTRUMENTATION.--Water-stage recorder and data-collection platform.

DATUM.--Land-surface datum is 17.78 ft above National Geodetic Vertical Datum of 1929. Measuring point: Top of recorder shelf, 2.54 ft above land-surface datum, Oct. 1, 2010, to present. Oct. 1, 1997 to Sept. 30, 2010, measuring point 2.40 ft above land-surface datum. Dec. 4, 1979 to Sept. 30, 1997, measuring point 2.30 ft above land-surface datum. Feb. 1, 1936 to Sept. 24, 1979, measuring point 3.50 ft above land-surface datum.

PERIOD OF RECORD.--February 1936 to December 1949 (monthly); January 1950 to September 1985 (bimonthly); October 1985 to September 1997 (monthly); October 1997 to current year.