Click
to
hide
Water-Year
Summary
instructions
and
information
- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
- For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
- For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
- For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
- Not all sites have reports available for every water year.
USGS Water-Year Summary 2025
340927117242204 001N005W21K004S, Upper Linden Ponds Cluster Well at Rialto, CA
California Coastal Basin aquifers
LOCATION - Lat 34°09'27.40", long 117°24'24.70" 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 complex of reservoirs near the intersection of Locust and Riverside Avenues, in Rialto.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 588.8 ft. Upper casing diameter 2 in; top of first opening 575 ft, bottom of last opening 595 ft.
DATUM - Land-surface datum is 1,647.85 ft above North American Vertical Datum of 1988. Measuring point: MP A; 2.40 above LSD, 2.4 ft above land-surface datum, Jan. 26, 1993 to Aug. 3, 1995; TOP OF PVC IN VAULT BELOW LSD, 1.12 ft below land-surface datum, Aug. 2, 1995 to present. Prior to October 02, 2023, Landâsurface datum is 1,647.84 ft above North American Vertical Datum of 1988.
PERIOD OF RECORD - Water year 1993 to current year.
GAGE - Electronic data logger.
REMARKS - The Upper Linden Ponds Cluster Wells consist of four continuous-record groundwater wells, located in three ground-level vaults. The individual stations are well 1N/5W-21K1, station 340927117242201; well 1N/5W-21K2, station 340927117242202; well 1N/5W-21K3, station 340927117242203; and well 1N/5W-21K4, station 340927117242204.
PERIOD OF DAILY RECORD - September 1995 to August 2004, November 2004 to February 2005, October 2005 to October 2007, June 2008 to current year.
EXTREMES FOR PERIOD OF RECORD - Highest water level measured, 347.82 ft below land surface, June 30, 1993; lowest water level measured, 439.63 ft below land surface, Feb. 18, 2020.
