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Water-Year Summary for Site 220126159261501

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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Available Parameters
72150 Elevation, GW, LMSL(Mean)  

Water year 2023: 2022-10-01 to 2023-09-30

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USGS Water-Year Summary 2023
220126159261501 2-0126-01, Northwest Kilohana monitor well, Kauai, HI
Hawaii volcanic-rock aquifers
Koloa Volcanic Series, Lava Flows
LOCATION - Lat 22°01'23.8", long 159°25'56.1" referenced to North American Datum of 1983, Kauai County, HI, Hydrologic Unit 20070000, 5.3 miles northwest of Lihue, and 6.2 miles west of the nearest shoreline.
WELL CHARACTERISTICS - Depth 1,004 ft. Upper casing diameter 4 in; top of first opening 126 ft, bottom of last opening 1,004 ft. 10-inch solid steel outer casing: 0-198 feet; 4-inch solid pvc casing: 0-126 feet; 4.5-inch perforated pvc casing: 126 feet to bottom; annular space grouted: 0-198 feet; annular space open: 198 feet to bottom.
DATUM - Land-surface datum is 678.66 ft above undefined vertical datum. Measuring point: top of 4-inch aluminum well cap bracket, 679.06 ft above Local Mean Sea Level, Mar. 22, 1996 to Mar. 21, 2017; top of 4-inch aluminum well cap bracket, 679.26 ft above Local Mean Sea Level, Mar. 21, 2017 to present. Land-surface datum is a local mean sea level.
PERIOD OF RECORD - Water level: November 1996 to current year.
PERIOD OF DAILY RECORD - December 1996 to current year.
EXTREMES FOR PERIOD OF RECORD - Highest water level measured, 589.96 feet above mean sea level, December 23, 1996; lowest water level measured, 573.45 feet above mean sea level, July 11, 2015.