USGS Water-Year Summary 2023
205437156310501 6-5431-01, TH-B Waiehu, Maui, HI
Hawaii volcanic-rock aquifers
Wailuku Volcanic Series, Lava Flows
LOCATION - Lat 20°54'24.8", long 156°30'55.0" referenced to North American Datum of 1983, Maui County, HI, Hydrologic Unit 20020000, 0.5 mi southwest of Waiehu Village, and 1.4 mi southwest of intersection of Malaihi Road and Kahekili Highway.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 555 ft. Upper casing diameter 1.50 in; top of first opening 515 ft, bottom of last opening 555 ft.
DATUM - Land-surface datum is 493 ft above undefined vertical datum. Measuring point: Undefined, distance above land-surface datum not defined, Mar. 31, 2004, to present.
PERIOD OF RECORD - Occasional measurements, September 1974 to July 1982. Water-level recorder, August 1982 to current year.
EXTREMES FOR PERIOD OF RECORD - Highest water level measured, 19.52 ft. above mean sea level, January 2, 1983; lowest water level measured, 6.22 ft. above mean sea level, July 2, 2013.