USGS Water-Year Summary 2024
330320117024701 013S002W12M001S
California Coastal Basin aquifers
LOCATION - Lat 33°03'20.42", long 117°02'47.03" referenced to North American Datum of 1983, in SE 1/4 NW 1/4 SW 1/4 sec.12, T.13 S., R.2 W., San Diego County, CA, Hydrologic Unit 18070304,
REVISIONS HISTORY - Water level measurement from 4/9/2024 with value of 2.12 +/- 0.01 ft. deleted on September 18, 2024.
Approved discrete water-level value had been calculated incorrectly.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 270 ft. Upper casing diameter 1.94 in; top of first opening 170 ft, bottom of last opening 250 ft.
DATUM - Land-surface datum is 321.95 ft above North American Vertical Datum of 1988. Measuring point: Top of 2 inch PVC casing, 0.77 ft above land-surface datum, Feb. 13, 2013 to present.
PERIOD OF RECORD - Water year 2013 to current year.
GAGE - Electronic data logger and pressure sensor.
PERIOD OF DAILY RECORD - February 2013 to current year.
EXTREMES FOR PERIOD OF RECORD - Highest daily maximum water level recorded, 321.99 ft NAVD 88, March 27, 2023; Lowest daily minimum water level recorded, 293.14 ft NAVD 88, Aug. 21, 2016.