USGS Water-Year Summary 2024
330555117010103 012S001W30J005S
California Coastal Basin aquifers
LOCATION - Lat 33°05'55.5", long 117°01'01.7" referenced to North American Datum of 1983, in SW 1/4 NE 1/4 SE 1/4 sec.30J, T.12 S., R.1 W., San Diego County, CA, Hydrologic Unit 18070304,
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 50 ft. Upper casing diameter 1.94 in; top of first opening 30 ft, bottom of last opening 50 ft.
DATUM - Land-surface datum is 370.37 ft above North American Vertical Datum of 1988. Measuring point: EVEN LEVEL WITH TOP OF VAULT, 0.50 ft above land-surface datum, Mar. 13, 2013 to May 5, 2020; Top of 2 inch PVC casing, black mark on north side, 0.56 below LSD, 0.56 ft below land-surface datum, Feb. 1, 2015 to present.
PERIOD OF RECORD - Water year 2014 to current year.
GAGE - Electronic data logger and pressure sensor.
PERIOD OF DAILY RECORD - October 2014 to current year.
EXTREMES FOR PERIOD OF RECORD - Highest daily maximum water level recorded, 365.46 ft NAVD 88, April 10, 2020; Lowest daily minimum water level recorded, 349.52 ft NAVD 88, Nov. 12, 2016.