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
340414117190205 001S004W20H005S, Cesar Chavez Park Cluster Well, at Colton, CA
California Coastal Basin aquifers
LOCATION - Lat 34°04'14.02", long 117°19'04.08" referenced to North American Datum of 1983, in sec.00, T.1 S., R.4 W., San Bernardino County, CA, Hydrologic Unit 18070203, at the southwest corner of Cesar Chavez Park, in Colton.
REVISIONS HISTORY - Revisions: All data from 4/19/2024 to 6/28/2024 was revised due to corrections applied from erroneous water level reading on 6/28/24.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 189.7 ft. Upper casing diameter undefined; top of first opening 150 ft, bottom of last opening 170 ft.
DATUM - Land-surface datum is 993.07 ft above North American Vertical Datum of 1988. Measuring point: TOP OF PVC CASING, 1.08 ft below land-surface datum, Jul. 20, 2011 to present. Prior to 12/07/2022, the land-surface datum was 992.96 ft above North American Vertical Datum of 1988.
PERIOD OF RECORD - Water year 1993 to current year.
GAGE - Electronic data logger.
REMARKS - The Cesar Chavez Park Cluster Wells consist of five continuous record groundwater wells, located in a common ground level vault. The individual stations are well 1S/4W-20H1, station 340414117190201; well 1S/4W-20H2, station 340414117190202; well 1S/4W-20H3, station 340414117190203; well 1S/4W-20H4, station 340414117190204; and well 1S/4W-20H5, station 340414117190205.
PERIOD OF DAILY RECORD - March 1995, May 1995 to March 2008, May 2008 to current year.
EXTREMES FOR PERIOD OF RECORD - Highest water level recorded, 80.87 ft below land surface, May 28, 1995; lowest water level recorded, 140.17 ft below land surface, November 04, 2022.
