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USGS Water-Year Summary 2024
190423155371501 8-0437-01 Waiohinu, HI
Hawaii volcanic-rock aquifers
Kau Volcanic Series, Prehistoric Lava Flows
Kau Volcanic Series, Prehistoric Lava Flows
LOCATION - Lat 19°04'11.0", long 155°37'06.2" referenced to North American Datum of 1983, Hawaii County, HI, Hydrologic Unit 20010000, 2,500 ft northwest of Waiohinu.
REVISIONS HISTORY - The time of the March 5, 2018 water level was updated from 1250 to 1150 on March 30, 2018.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 972 ft. Upper casing diameter 4 in; top of first opening 240 ft, bottom of last opening 972 ft.
DATUM - Land-surface datum is 1,299.26 ft above undefined vertical datum. Measuring point: TOP OF 4-INCH INNER CASING, 1299.83 ft above Local Mean Sea Level, Sep. 15, 1995 to present; Top of 4 inch casing nearest water tank, 1299.83 ft above Local Mean Sea Level, Aug. 22, 2012 to present.
PERIOD OF RECORD - Water level: occasional measurements - September 1995 and September 1997 to current year.
PERIOD OF DAILY RECORD - Daily water levels, December 2012 to current year.
EXTREMES FOR PERIOD OF RECORD - Highest water level measured, 1,016.03 ft above mean sea level, February 12, 2002; lowest measured, 1,010.55 ft above mean sea level, July 15, 2014.
WATER-QUALITY RECORDS
WELL CHARACTERISTICS - Depth 972 ft. Upper casing diameter 4 in; top of first opening 240 ft, bottom of last opening 972 ft.
DATUM - Land-surface datum is 1,299.26 ft above undefined vertical datum. Measuring point: TOP OF 4-INCH INNER CASING, 1299.83 ft above Local Mean Sea Level, Sep. 15, 1995 to present; Top of 4 inch casing nearest water tank, 1299.83 ft above Local Mean Sea Level, Aug. 22, 2012 to present.
PERIOD OF RECORD - October 1994 to May 1999.
