USGS Water-Year Summary 2023
335423116455303 003S002E15P003S
Basin and Range basin-fill aquifers
LOCATION - Lat 33°54'22.96", long 116°45'53.46" referenced to North American Datum of 1983, in sec.15, T.3 S., R.2 E., Riverside County, CA, Hydrologic Unit 18100201,
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 260 ft. Upper casing diameter 2 in; top of first opening 240 ft, bottom of last opening 260 ft.
DATUM - Land-surface datum is 1,597.3 ft above North American Vertical Datum of 1988. Measuring point: Black mark on top of PVC casing, 0.67 ft below land-surface datum, Dec. 8, 2007 to present; Old Top of Casing (TOC) w/ no ref mark, 0.71 ft below land-surface datum, Dec. 8, 2007 to Dec. 4, 2012; X on lip of steel vault north side, 0 ft above land-surface datum, Dec. 8, 2007 to present.