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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.
- For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
- For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
- Not all sites have reports available for every water year.
USGS Water-Year Summary 2024
213308158035601 Helemano 6 Reservoir, Oahu, HI
LOCATION - Lat 21°33'08.5", long 158°03'56.1" referenced to North American Datum of 1983, Honolulu County, HI, Hydrologic Unit 20060000, on north end of dam at Wahiawa Ditch, 3.2 mi upstream from confluence with Paukauila Stream, and 4.8 mi northwest of Wahiawa.
SURFACE-WATER RECORDS
PERIOD OF RECORD - March 2009 to current year.
GAGE - Water-stage recorder. Elevation of gage is 720 ft. above mean sea level, from
topographic map (Haleiwa 1:24,000 quad)
EXTREMES FOR PERIOD OF RECORD - Maximum gage height; 29.55 ft, Jan 12, 2011; minimum gage height; <19.59 ft, on many days
