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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 2025
340508117163303 001S004W14E010S, Mill Community Center Cluster Well at San Bernardino, CA
California Coastal Basin aquifers
LOCATION - Lat 34°05'08.05", long 117°16'33.13" referenced to North American Datum of 1983, in sec.00, T.1 S., R.4 W., San Bernardino County, CA, Hydrologic Unit 18070203, in sec.14, T. 1 S., R. 4 W., 78 ft south of the centerline of Central Avenue and 15 ft east of Foisy Street, in parkway of Mill Community Center, in San Bernardino.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 481.4 ft. Upper casing diameter 2.17 in; top of first opening 450 ft, bottom of last opening 470 ft.
DATUM - Land-surface datum is 1,022.66 ft above North American Vertical Datum of 1988. Measuring point: TOP OF STEEL CASING IN VAULT, 1.82 ft below land-surface datum, Nov. 18, 2003 to present. Prior to 02/06/2023, the land-surface datum was 1,022.82 ft above North American Vertical Datum of 1988.
PERIOD OF RECORD - Water year 2004 to current year.
GAGE - Electronic data logger.
REMARKS - The Mill Community Center Cluster Wells consist of six continuous record groundwater wells. The individual stations are well 1S/4W-14E8, station 340508117163301; well 1S/4W-14E9, station 340508117163302; well 1S/4W-14E10, station 340508117163303; well 1S/4W-14E11, station 340508117163304; well 1S/4W-14E12, station 340508117163305; and well 1S/4W-14E13, station 340508117163306.
PERIOD OF DAILY RECORD - February 2004 to February 2005, May 2005 to current year.
EXTREMES FOR PERIOD OF RECORD - Highest water level measured, 74.02 ft below land surface, Mar. 5, 2004; lowest water level measured, 212.42 ft below land surface, Sep. 8 and 30, 2022.
