USGS Water-Year Summary 2024
371211076441002 57F 38
Northern Atlantic Coastal Plain aquifer system
Quaternary System
LOCATION - Lat 37°12'10.98", long 76°44'09.96" referenced to North American Datum of 1983, James City, VA, Hydrologic Unit 02080206,
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 12.95 ft. Upper casing diameter undefined; top of first opening undefined, bottom of last opening undefined.
DATUM - Land-surface datum is 1.70 ft above North American Vertical Datum of 1988. Measuring point: TOP OF CASING, 1.2 ft above land-surface datum, Sep. 6, 2016 to present.
PERIOD OF RECORD - Sept. 2019 to Nov. 2020. Data from 2017 to 2019 collected by NPS, not currently published.
EXTREMES FOR PERIOD OF RECORD - Highest water level, -1.92ft. below land-surface datum, April 01, 2020, may have been higher during periods of missing data; lowest water level 2.48ft. below land-surface datum July 30, 2020, may have been lower during periods of missing data.