USGS Water-Year Summary 2024
340408117165301 001S004W22J001S, Commercecenter West Cluster Well, at San Bernardino, CA
California Coastal Basin aquifers
LOCATION - Lat 34°04'10.13", long 117°17'02.08" referenced to North American Datum of 1983, in sec.00, T.1 S., R.4 W., San Bernardino County, CA, Hydrologic Unit 18070203, on left bank of the Santa Ana River, midway between "E" Street and Waterman Avenue, in San Bernardino.
REVISIONS HISTORY -
Discrete water-level readings for NAVD88 and NGVD29 values were updated due to an incorrect offset that was originally applied. The changes were made to the values from the start of the record through May 17, 2021.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 857.7 ft. Upper casing diameter 2 in; top of first opening 840 ft, bottom of last opening 860 ft.
DATUM - Land-surface datum is 998.98 ft above North American Vertical Datum of 1988. Measuring point: Top of 2 inch PVC casing, black mark on south side (below LSD), 1.38 ft below land-surface datum, Mar. 22, 1997 to present; Top of concrete vault (above LSD), 0.5 ft above land-surface datum, Mar. 22, 1997 to present. Prior to 12/09/2022, the land-surface datum was 998.89 ft above North American Vertical Datum of 1988.
PERIOD OF RECORD - Water year 1997 to current year.
GAGE - Electronic data logger.
PERIOD OF DAILY RECORD - March 1998 to April 1998, June 1998 to June 1999, October 1999 to current year.
EXTREMES FOR PERIOD OF RECORD -
Highest water level recorded, 19.19 ft below land surface, Apr. 16, 1998; lowest water level recorded, 191.27ft below land surface, Oct. 1, 2022.