Click
to
hide
Water-Year
Summary
instructions
and
information
- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
- For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
- For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
- For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
- Not all sites have reports available for every water year.
USGS Water-Year Summary 2024
371239076455707 56F 80
Northern Atlantic Coastal Plain aquifer system
Quaternary System
Quaternary System
LOCATION - Lat 37°12'38.81", long 76°45'57.24" referenced to North American Datum of 1983, James City, VA, Hydrologic Unit 02080206,
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 17.5 ft. Upper casing diameter undefined; top of first opening undefined, bottom of last opening undefined.
DATUM - Land-surface datum is 12.7 ft above North American Vertical Datum of 1988. Measuring point: TOP OF CASING, 0.6 ft above land-surface datum, Oct. 5, 2016 to present.
PERIOD OF RECORD - September 2019 to current. Data from 2017 to 2019 collected by NPS, not currently published.
EXTREMES FOR PERIOD OF RECORD - Highest water level, 9.35ft below land-surface datum, September 19, 2020, may have been higher during periods of missing data; lowest 13.58ft below land-surface datum October 08, 2019, may have been lower during periods of missing data.
