USGS Water-Year Summary 2023
340914117234905 001N005W22N005S, Lower Linden Ponds Cluster Well at Rialto, CA
California Coastal Basin aquifers
LOCATION - Lat 34°09'14.40", long 117°23'53.02" referenced to North American Datum of 1983, in sec.00, T.1 N., R.5 W., San Bernardino County, CA, Hydrologic Unit 18070203, in Rancho Muscupiabe Grant, in a West San Bernardino Valley Water District filtration plant, on North Riverside Avenue, between Cedar and Linden Avenues, in Rialto.
REVISIONS HISTORY - 12/07/2016: Unit and daily value groundwater levels from April 25, 2016 through May 25, 2016; and, June 1 to June 22, 2016 have been revised superseding those published at http://waterdata.usgs.gov Site: 340914117234905
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 365.3 ft. Upper casing diameter 2 in; top of first opening 340 ft, bottom of last opening 360 ft.
DATUM - Land-surface datum is 1,586.62 ft above North American Vertical Datum of 1988. Measuring point: MP A--original MP, 2.30 ft above land-surface datum, UNDEFINED BEGIN DATE to present; MP B--top of pvc in vault, 0.60 ft below land-surface datum, UNDEFINED BEGIN DATE to present; TOP OF PVC EXTENSIN IN VAULT, 0.36 ft below land-surface datum, May 2, 2008 to present.
PERIOD OF RECORD - Water year 1993 to 2004, 2006 to current year.
GAGE - Electronic data logger.
PERIOD OF DAILY RECORD - September 1995 to March 1998, January 1999 to August 2002, February to May 2003, July 2003 to March 2004, February 2006, November to December 2006, June to November 2007, June 2008 to current year.
EXTREMES FOR PERIOD OF RECORD - Highest water level recorded, 140.05 ft below land surface, Jan. 26, 1993; lowest water level recorded, 356.56 ft below land surface, September 1, 2019. Periods of flooded data are not represented in these extremes.