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- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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USGS Water-Year Summary 2024
323932117050806 017S002W28R009S, Sweetwater Desalination Plant Cluster Wells Near Chula Vista, CA
California Coastal Basin aquifers
LOCATION - Lat 32°39'32.53", long 117°05'08.08" referenced to North American Datum of 1983, in NW 1/4 SW 1/4 SW 1/4 sec.28, T.17 S., R.2 W., San Diego County, CA, Hydrologic Unit 18070304,
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 65 ft. Upper casing diameter 1.94 in; top of first opening 45 ft, bottom of last opening 65 ft.
DATUM - Land-surface datum is 17.4 ft above North American Vertical Datum of 1988. Measuring point: Top of 2 inch PVC casing, black mark (below LSD), 0.12 ft below land-surface datum, Aug. 12, 2009 to present; Top of concrete vault (above LSD), 1.8 ft above land-surface datum, Aug. 12, 2009 to May. 6, 2020.
PERIOD OF RECORD - Water year 2010 to current year.
GAGE - Electronic data logger and pressure sensor.
REMARKS - Records rated good. Sudden water-level changes may be attributed to nearby anthropogenic effects such as pumping and sampling. Sweetwater Desalination Plant Cluster Wells consist of six continuous record groundwater wells, located in a common ground-level vault.
PERIOD OF DAILY RECORD - December 2009 to current year.
EXTREMES FOR PERIOD OF RECORD - Highest daily maximum water level recorded, 3.75 ft NAVD 88, Jun. 21, 2017; lowest daily minimum water level recorded, -6.70 ft NAVD 88, on Nov. 8, 2022.
