USGS Water-Year Summary 2022
16210000 Wahiawa Reservoir at Spillway at Wahiawa, Oahu, HI
LOCATION - Lat 21°29'47.3", long 158°02'59.2" referenced to North American Datum of 1983, Honolulu County, HI, Hydrologic Unit 20060000, 3.9 miles northwest of Mililani High School, 2.5 miles west of Leilehua High School, and 2.0 miles southwest of Whitmore Village.
PERIOD OF RECORD - October 2005 to current year.
GAGE - Water-stage recorder. Elevation of gage is 762.42 feet above mean sea level (from survey).
EXTREMES FOR PERIOD OF RECORD - Maximum gage height, 85.00 feet, October 1, 2005; Minimum gage height 56.65 feet, March 3, 2011.