USGS Water-Year Summary 2023
340800117235904 001N005W34D004S, Rialto Airport Cluster Well at Rialto, CA
California Coastal Basin aquifers
LOCATION - Lat 34°08'03.44", long 117°24'02.52" referenced to North American Datum of 1983, in NW 1/4 NW 1/4 sec.34, T.1 N., R.5 W., San Bernardino County, CA, Hydrologic Unit 18070203, in SE 1/4 sec. 33, T. 1N., R. 5W., adjacent to Highland Avenue, at Linden Avenue, at the city of Rialto Airport, in Rialto.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 492 ft. Upper casing diameter 3 in; top of first opening 472 ft, bottom of last opening 492 ft.
DATUM - Land-surface datum is 1,469.21 ft above North American Vertical Datum of 1988. Measuring point: Top of PVC casing, 0.75 ft below land-surface datum, Mar. 6, 2013 to Jun. 6, 2017; Undefined, 4.46 ft below land-surface datum, Jul. 20, 2017 to present.
PERIOD OF RECORD - Water year 1992 to current year.
GAGE - Electronic data logger.
PERIOD OF DAILY RECORD - June 1995 to December 2004, July 2005 to April 2008, July 2009 to November 2010.
EXTREMES FOR PERIOD OF RECORD - Highest water level recorded, 409.31 ft below land surface, Apr. 3, 2004. Well is currently dry.