USGS Water-Year Summary 2025

340433117171203 001S004W22B011S, Treatment Plant Cluster Well, at San Bernardino, CA

California Coastal Basin aquifers

LOCATION - Lat 34°04'33.31", long 117°17'12.08" referenced to North American Datum of 1983, San Bernardino County, CA, Hydrologic Unit 18070203, in sec. 22, T.1 S., R.4 W., approximately 1,300 ft south of Orange Show Road (at the intersection with Arrowhead Avenue), and 100 ft west of the right bank of the Twin Creek flood control channel, in the eastern-most portion of the Chandler Water Reclamation Plant, city of San Bernardino.

GROUNDWATER RECORDS

WELL CHARACTERISTICS - Depth 50.8 ft. Upper casing diameter 2.17 in; top of first opening 30 ft, bottom of last opening 40 ft.

DATUM - Land-surface datum is 995.99 ft above North American Vertical Datum of 1988. Measuring point: TOP OF STEEL CASING EXTENSION IN VAULT, 0.29 ft below land-surface datum, Feb. 9, 2004 to present.

PERIOD OF RECORD - Water year 2004 to current year.

GAGE - Electronic data logger until March 7, 2016. Un-instrumented to current.

REMARKS - Records rated good. The Treatment Plant cluster wells consist of one continuous record groundwater well and two observation only wells, located in a common ground-level vault. The individual stations are well 1S/4W-22B9, station 340433117171201; well 1S/4W-22B10, station 340433117171202 (discrete measurements only); and well 1S/4W-22B11, station 340433117171203 (discrete measurements only).

PERIOD OF DAILY RECORD - January 2004 to June 2015.

EXTREMES FOR PERIOD OF RECORD - Well dry at all times.