USGS Water-Year Summary 2024
324055117064405 017S002W20F005S, 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.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 25 ft. Upper casing diameter 1.94 in; top of first opening 20 ft, bottom of last opening 25 ft.
DATUM - Land-surface datum is 12.25 ft above North American Vertical Datum of 1988. Measuring point: TOP OF CASING (DO NOT USE THIS MP), 1.7 ft above land-surface datum, Jul. 24, 2006 to Oct. 12, 2006; Top of 2 inch PVC casing, black mark on north side (above LSD), 0.28 ft above land-surface datum, Oct. 12, 2006 to present; Top of vault (above LSD), 0.5 ft above land-surface datum, Oct. 12, 2006 to May. 6, 2020; top of casing (updated sims mp), 0.28 ft above land-surface datum, Feb. 6, 2013 to Nov. 5, 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, 5.04 ft NAVD 88, Oct. 14, 2006; lowest daily minimum water level recorded, 2.21 ft NAVD 88, Dec. 7-8, 2022.