USGS Water-Year Summary 2023
212230157535201 Red Hill RHMW12, Oahu, HI
LOCATION - Lat 21°22'30.4", long 157°53'51.5" referenced to North American Datum of 1983, Honolulu County, HI, Hydrologic Unit 20060000,
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 200 ft. Upper casing diameter 5 in; top of first opening undefined, bottom of last opening undefined.
DATUM - Land-surface datum is 237 ft above undefined vertical datum. Measuring point: Between filed notches on NW side of inner steel casing, 237.39 ft above Local Mean Sea Level, Aug. 26, 2016 to present.