USGS Water-Year Summary 2023
213259158035101 Helemano 16 Reservoir, Oahu, HI
LOCATION - Lat 21°32'58.7", long 158°03'51.1" referenced to North American Datum of 1983, Honolulu County, HI, Hydrologic Unit 20060000, on north end of dam, 0.16 mi upstream from Wahiawa Reservoir ditch, 3.4 mi upstream from confluence with Paukauila Stream, and 4.7 mi northwest of Wahiawa.
REVISIONS HISTORY - WDR HI-12-1: 2011.
SURFACE-WATER RECORDS
PERIOD OF RECORD - June 2009 to June 2015 (discontinued).
GAGE - Water-stage recorder. Elevation of gage is 760 ft. above mean sea level, from topographic map (Haleiwa 1:24,000 quad)
EXTREMES FOR PERIOD OF RECORD - Maximum gage height; 21.18 ft, January 13, 2011; minimum gage height; <3.09 ft, on many days.