USGS Water-Year Summary 2023
324318117083101 017S003W01K001S, Balboa Park Cluster Well near San Diego, CA
California Coastal Basin aquifers
LOCATION - Lat 32°43'18.61", long 117°08'31.6" referenced to North American Datum of 1983, San Diego County, CA, Hydrologic Unit 18070304,
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 1,490 ft. Upper casing diameter 1.94 in; top of first opening 1,470 ft, bottom of last opening 1,490 ft.
DATUM - Land-surface datum is 99.16 ft above North American Vertical Datum of 1988. Measuring point: Top of 2 inch PVC casing, black mark on northeast side (below LSD), 0.83 ft below land-surface datum, Feb. 7, 2008 to present; Top of concrete vault (above LSD), 0.7 ft above land-surface datum, Feb. 7, 2008 to May. 6, 2020.
PERIOD OF RECORD - Water year 2008 to Oct 31st 2021
GAGE - Electronic data logger and pressure sensor.
PERIOD OF DAILY RECORD - August 2008 to current year.
EXTREMES FOR PERIOD OF RECORD - Highest daily maximum water level recorded, 83.65 ft NAVD 88, Oct 11, 2021; lowest daily minimum water level recorded, 74.56 ft NAVD 88, Oct. 14, 2008.