USGS Water-Year Summary 2025
341013117253906 001N005W17L006S
California Coastal Basin aquifers
LOCATION - Lat 34°10'13.55", long 117°25'39.72" referenced to North American Datum of 1983, in sec.00, T.1 N., R.5 W., San Bernardino County, CA, Hydrologic Unit 18070203,
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 105.6 ft. Upper casing diameter 1.94 in; top of first opening 100 ft, bottom of last opening 120 ft.
DATUM - Land-surface datum is 1,855.63 ft above North American Vertical Datum of 1988. Measuring point: Black mark on top of PVC casing, 0.38 ft below land-surface datum, Jun. 27, 2011 to present; EVEN LEVEL WITH TOP OF VAULT, 0 ft above land-surface datum, Jun. 27, 2011 to present.
PERIOD OF RECORD - Water year 2011 to current.
GAGE - Electronic data logger.
PERIOD OF DAILY RECORD - Water year 2011 to .July 8, 2014.
EXTREMES FOR PERIOD OF RECORD - Highest water level recorded, 69.75 ft below land surface, April 9, 2019. Lowest water level recorded, Dry from Sept. 2014 to Dec. 2016 though WL readings were in between screen depths (100-120).