USGS Water-Year Summary 2019
324055117064402 017S002W20F002S, 32nd Street Naval Base Cluster Well near National City, CA
California Coastal Basin aquifers
LOCATION - Lat 32°40'55.49", long 117°06'44.57" referenced to North American Datum of 1983, San Diego County, CA, Hydrologic Unit 18070304, in semi-fenced paved parking lot directly east of guard shack at the Main Street/Division Street gate.
WELL CHARACTERISTICS - Depth 680 ft. Upper casing diameter 1.94 in; top of first opening 660 ft, bottom of last opening 680 ft.
DATUM - Land-surface datum is 12.25 ft above North American Vertical Datum of 1988. Measuring point: Undefined, distance above land-surface datum not defined, UNDEFINED BEGIN DATE to present; Top of vault (above LSD), 0.50 ft above land-surface datum, Oct. 12, 2006 to present; Top of 2 inch PVC casing, black mark on east side (below LSD), 0.01 ft below land-surface datum, Oct. 12, 2006 to present; top of pvc (updated sims mp), .01 ft below land-surface datum, Feb. 6, 2013 to Nov. 4, 2016.
PERIOD OF RECORD - Water year 2006 to current year.
GAGE - Electronic data logger and pressure sensor.
PERIOD OF DAILY RECORD - October 2006 to current year.
EXTREMES FOR PERIOD OF RECORD - Highest daily maximum water level recorded, 6.38 ft NAVD 88, Feb. 18, 2017; lowest daily minimum water level recorded, -23.50 ft NAVD 88, Mar. 29, 2019.