USGS Water-Year Summary 2025
343945118233901 007N014W29N001S
LOCATION - Lat 34°39'45.66", long 118°23'39.87" referenced to North American Datum of 1983, in SW 1/4 SW 1/4 sec.29, T.7 N., R.14 W., Los Angeles County, CA, Hydrologic Unit 18070102,
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 70 ft. Upper casing diameter 1.94 in; top of first opening 50 ft, bottom of last opening 70 ft.
DATUM - Land-surface datum is 3,281.21 ft above North American Vertical Datum of 1988. Measuring point: BLACK MARK ON TOP OF PVC CASING, 0.38 ft below land-surface datum, Dec. 18, 2019 to present; EVEN LEVEL WITH TOP OF 12-INCH MANHOLE, 0.0 ft above land-surface datum, Dec. 18, 2019 to present.
PERIOD OF RECORD - Continuous record, March 19, 2020 to current.
EXTREMES FOR PERIOD OF RECORD - Highest Water-Level recorded: 6.53 ft. below LSD, April 11, 2020. Lowest Water-Level recorded: 14.21 ft. below LSD, Sept. 21, 2020.