USGS Water-Year Summary 2024
340804117221604 001N005W35B004S, 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 393.8 ft. Upper casing diameter 12 in; top of first opening 370 ft, bottom of last opening 390 ft.
DATUM - Land-surface datum is 1,416.12 ft above North American Vertical Datum of 1988. Measuring point: MP4: Top of casing.; 11.518 ft, 0.83 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.
PERIOD OF DAILY RECORD - Water year 1995 to current year.
EXTREMES FOR PERIOD OF RECORD - Highest water level recorded, 272.17 ft below land surface, Apr. 6, 30, 1996; lowest water level recorded, 333.95 ft below land surface, December 19, 2022.