USGS Water-Year Summary 2019
323659117033301 018S002W11P001S, San Diego Country Club Cluster Well near National City, CA
California Coastal Basin aquifers
LOCATION - Lat 32°36'59.75", long 117°03'33.88" referenced to North American Datum of 1983, San Diego County, CA, Hydrologic Unit 18070304,
WELL CHARACTERISTICS - Depth 1,700 ft. Upper casing diameter 2.90 in; top of first opening 1,660 ft, bottom of last opening 1,700 ft.
DATUM - Land-surface datum is 151.67 ft above North American Vertical Datum of 1988. Measuring point: Even level with top of vault directly over casing above lsd, 0.50 ft above land-surface datum, Mar. 11, 2010 to present; Black mark top of 3 inch PVC casing below lsd, 0.17 ft below land-surface datum, Mar. 11, 2010 to present.
PERIOD OF RECORD - Water year 2011 to current year.
GAGE - Electronic data logger and pressure sensor.
PERIOD OF DAILY RECORD - October 2010 to current year.
EXTREMES FOR PERIOD OF RECORD - Highest daily maximum water level recorded, 89.62ft NAVD 88, Sep. 28, 2019; lowest daily minimum water level recorded, 85.47 ft NAVD 88, Nov. 30, 2010.