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USGS Water-Year Summary 2024
340804117221603 001N005W35B003S, Easton Reservoir Cluster Well at Rialto, CA
California Coastal Basin aquifers
LOCATION - Lat 34°08'04.24", long 117°22'21.65" referenced to North American Datum of 1983, in sec.35, T.1 N., R.5 W., San Bernardino County, CA, Hydrologic Unit 18070203, in a city of Rialto reservoir facility, at the intersection of Riverside Avenue and Easton Street, in Rialto.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 680.2 ft. Upper casing diameter 2 in; top of first opening 650 ft, bottom of last opening 670 ft.
DATUM - Land-surface datum is 1,416.12 ft above North American Vertical Datum of 1988. Measuring point: MP3: Top of casing.; 11.506 ft, 0.84 ft below land-surface datum, Mar. 6, 2013 to present. Prior to 10/04/2022, Land-surface datum was 1,416.28 ft above North American Vertical Datum of 1988.
PERIOD OF RECORD - Water year 1993 to current year.
GAGE - Electronic data logger.
REMARKS - The Easton Reservoir cluster wells consist of four continuous record groundwater wells, located in a common ground-level vault. The individual stations are well 1N/5W-35B1, station 340804117221601; well 1N/5W-35B2, station 340804117221602; well 1N/5W-35B3, station 340804117221603; and well 1N/5W-35B4, station 340804117221604.
PERIOD OF DAILY RECORD - Water year 1995 to current year.
EXTREMES FOR PERIOD OF RECORD - Highest water level recorded, 269.11 ft below land surface, March. 13, 1996; lowest water level measured, 333.23 ft below land surface, December 7 and 8, 2022.
