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Water-Year Summary for Site 205154156303801

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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
205154156303801 6-5130-02, Waikapu 2, Maui, HI
Hawaii volcanic-rock aquifers
Wailuku Volcanic Series, Lava Flows
LOCATION - Lat 20°51'43.4", long 156°30'27.0" referenced to North American Datum of 1983, Maui County, HI, Hydrologic Unit 20020000, 0.6 mi northwest of Waikapu, and 1.0 mi southeast of Wailuku Heights.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 1,020 ft. Upper casing diameter 20 in; top of first opening 520 ft, bottom of last opening 1,020 ft. 20-in. casing diameter, cased to 520 ft, perforated from 520 to 570 ft.
DATUM - Land-surface datum is 518.12 ft above undefined vertical datum. Measuring point: Reported by DOWALD as built drawing, 519.47 ft above Local Mean Sea Level, Feb. 1, 1974 to Aug. 21, 1983; unknown, 519.33 ft above Local Mean Sea Level, Aug. 21, 1983 to Oct. 1, 2003; Top of casing, 518.96 ft above Local Mean Sea Level, Oct. 1, 2003 to present. Elevation of land-surface datum is Local Mean Sea Level.
PERIOD OF RECORD - Water-level recorder, August 1983 to September 1984 and June 2004 to August 2005. Occasional measurements, October 1983 to current year.
REMARKS - Water-quality records for 1974 are available in files of the USGS Water Science Center.
EXTREMES FOR PERIOD OF RECORD - Highest water level measured, 15.03 ft above mean sea level, July 15, 1987; lowest measured, 9.74 ft above mean sea level, October 18, 2013.