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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
323659117033302 018S002W11P002S, San Diego Country Club Cluster Well near National City, CA
California Coastal Basin aquifers
LOCATION - Lat 32°36'59.75", long 117°03'33.88" referenced to North American Datum of 1983, San Diego County, CA, Hydrologic Unit 18070304,
REVISIONS HISTORY - Discrete water-level readings for NAVD88 and NGVD29 values were updated due to an incorrect offset that was originally applied. The changes were made to the values from the start of the record through May 18, 2021.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 1,350 ft. Upper casing diameter 1.94 in; top of first opening 1,330 ft, bottom of last opening 1,350 ft.
DATUM - Land-surface datum is 151.61 ft above North American Vertical Datum of 1988. Measuring point: Black mark top of 3 inch PVC casing below lsd, 0.07 ft below land-surface datum, Mar. 11, 2010 to present; Even level with top of vault directly over casing above lsd, 0.5 ft above land-surface datum, Mar. 11, 2010 to May. 6, 2020. Prior to October 14, 2023, Land-surface datum is 151.67 feet above the North American Vertical Datum of 1988.
PERIOD OF RECORD - Water year 2011 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. Country Club Cluster Wells consist of six continuous record groundwater wells, located in a common ground-level vault.
PERIOD OF DAILY RECORD - October 2010 to current year.
EXTREMES FOR PERIOD OF RECORD - Highest daily maximum water level recorded, 92.82 ft NAVD 88, May 7, 2024; lowest daily minimum water level recorded, 85.79 ft NAVD 88, Oct. 22, 24, 2010.
