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Water-Year Summary for Site 194053156013001

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Available Parameters
00010 Temperature, water(Mean)  
00095 Specific cond at 25C(Mean)  
72150 Elevation, GW, LMSL(Mean)  

Water year 2023: 2022-10-01 to 2023-09-30
 
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USGS Water-Year Summary 2023
194053156013001 8-4061-01 KAHO WELL 1
Hawaii volcanic-rock aquifers
Hualalai Volcanic Series, Prehistoric Lava Flows
LOCATION - Lat 19°40'42.06", long 156°01'19.99" referenced to North American Datum of 1983, Hawaii County, HI, Hydrologic Unit 20010000, USA. Well is located about 150 feet southwest of the Kaloko-Honokohau National Historical Park visitor center building. Owner: National Park Service (NPS).
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 52 ft. Upper casing diameter 6 in; top of first opening 33 ft, bottom of last opening 52 ft. Drilled monitor well, 2-inch diameter PVC casing, and hinged locking cap.
DATUM - Land-surface datum is 36.68 ft above undefined vertical datum. Measuring point: Bracketing notches etched into top of PVC casing, 1.19 ft above LSD, 37.99 ft above Local Mean Sea Level, Dec. 28, 1995 to present.
PERIOD OF RECORD - Occasional discrete water-level measurements between April 2009 to present. Continuous water-level data were collected by USGS between April 2009 and September 2010 and December 2014 to present. Continuous temperature and specific-conductance data were collected by USGS between December 2014 to present.
WATER-QUALITY RECORDS
WELL CHARACTERISTICS - Depth 52 ft. Upper casing diameter 6 in; top of first opening 33 ft, bottom of last opening 52 ft. Drilled monitor well, 2-inch diameter PVC casing, and hinged locking cap.
DATUM - Land-surface datum is 36.68 ft above undefined vertical datum. Measuring point: Bracketing notches etched into top of PVC casing, 1.19 ft above LSD, 37.99 ft above Local Mean Sea Level, Dec. 28, 1995 to present.
PERIOD OF RECORD - Continuous specific-conductance and temperature data were collected by USGS between December 2014 to present.
EXTREMES FOR PERIOD OF RECORD - Temperature record: The lowest value, 19.3 degrees Celsius, occurred intermittently between July 29, 2015 and August 30, 2015. The highest value, 19.5 degrees Celsius, occurred on many days. Specific-conductance record: Lowest value was 19,200 microsiemens per centimeter on February 18, 2019 (first occurrence). Highest value was 22,100 microsiemens per centimeter on August 29, 2015.