USGS Water-Year Summary 2024
194125156015501 8-4161-01 KAHO WELL 3
Hawaii volcanic-rock aquifers
Hualalai Volcanic Series, Prehistoric Lava Flows
LOCATION - Lat 19°41'14.06", long 156°01'44.99" referenced to North American Datum of 1983, Hawaii County, HI, Hydrologic Unit 20010000, USA. Located on Ala Hele Poe Kahiko trail off of Ala Nui Kaloko Road in Kaloko-Honokohau National Historical Park. Owner: National Park Service (NPS).
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 34 ft. Upper casing diameter 2 in; top of first opening 21 ft, bottom of last opening 31 ft. Drilled monitor well, 2-inch diameter PVC casing, and hinged locking cap.
DATUM - Land-surface datum is 22.96 ft above undefined vertical datum. Measuring point: Top of casing, in feet above cement pad (land surface), 23.92 ft above Local Mean Sea Level, Apr. 3, 1996 to present; Bracketing notches on PVC casing, 23.96 ft above Local Mean Sea Level, Apr. 1, 2015 to present. Land-surface datum is Local Mean Sea Level.
PERIOD OF RECORD - Water level: occasional measurements - March 2009 to current year.
PERIOD OF DAILY RECORD - Water level: continuous water-level data - April 2009 to September 2010 and December 2014 to current year.
WATER-QUALITY RECORDS
WELL CHARACTERISTICS - Depth 34 ft. Upper casing diameter 2 in; top of first opening 21 ft, bottom of last opening 31 ft. Drilled monitor well, 2-inch diameter PVC casing, and hinged locking cap.
DATUM - Land-surface datum is 22.96 ft above undefined vertical datum. Measuring point: Top of casing, in feet above cement pad (land surface), 23.92 ft above Local Mean Sea Level, Apr. 3, 1996 to present; Bracketing notches on PVC casing, 23.96 ft above Local Mean Sea Level, Apr. 1, 2015 to present. Land-surface datum is Local Mean Sea Level.
PERIOD OF RECORD - Continuous specific-conductance - April 2009 to July 2009, June 2010 to August 2010, and December 2014 to current year.
Continuous temperature data - April 2009 to April 2010, June 2010 to August 2010, and December 2014 to current year.