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- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
- For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
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USGS Water-Year Summary 2025
215958159214301 2-5921-01, Kalepa Ridge, W-10, Kauai, HI
Hawaii volcanic-rock aquifers
Waimea Canyon Volcanic Series, Undifferentiated
Waimea Canyon Volcanic Series, Undifferentiated
LOCATION - Lat 21°59'47.8", long 159°21'32.7" referenced to North American Datum of 1983, Kauai County, HI, Hydrologic Unit 20070000, 1.0 miles west of Hanamaulu Beach Park, and 3.3 miles south-southwest of Lydgate State Park.
REVISIONS HISTORY - WDR HI-94-1: 1988-93 (minimum water level for period of record).
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 540 ft. Upper casing diameter 14 in; top of first opening 265 ft, bottom of last opening 540 ft. /--Drilled water-table well, depth 540 feet, 14-inch casing diameter, cased to 315 feet.
DATUM - Land-surface datum is 300.98 ft above undefined vertical datum. Measuring point: 1-inch pipe, NE side of flange after removing plug, 302.67 ft above Local Mean Sea Level, Jun. 25, 2009 to Mar. 21, 2017; 1-inch pipe, NE side of flange after removing plug, 302.05 ft above Local Mean Sea Level, Mar. 21, 2017 to present. is the top of 1-inch pipe, northeast side of flange after removing the plug, elevation 302.67 feet above mean sea level.
PERIOD OF RECORD - Water level: single measurement, February 1976. Occasional measurements, July 1980 to September 1985. Water-level recorder, October 1985 to July 1992. Occasional measurements, October 1992 to current year. Water quality: occasional measurements, 1997 to 2002.
EXTREMES FOR PERIOD OF RECORD - Highest water level measured, 17.69 feet above mean sea level, November 26, 1985; lowest water level measured, 8.21 feet above mean sea level, April 1, 2002.
