USGS Water-Year Summary 2019
16325000 Kamananui Stream at Pupukea Military Rd, Oahu, HI
LOCATION - Lat 21°37'14", long 158°00'54" referenced to North American Datum of 1983, Honolulu County, HI, Hydrologic Unit 20060000, on left bank 50 ft. upstream of Pupukea Military Road, and 3.5 mi. southeast of Maunawai.
DRAINAGE AREA - 3.15 mi². from automated delineation using 10-meter National Elevation Data set digital elevation model data dated September 2006 and Watershed Boundary Dataset dated May 2008, using UTM Zone 4 projection, NAD 83 horizontal datum.
- WDR HI-14-1: Drainage Area.
PERIOD OF RECORD - July 1963 to September 2001 (discharge), November 2013 to current year (gage-height only). Occasional low-flow measurements, water years 1961 and 1963.
GAGE - Water-stage recorder. Elevation of gage is 590 ft above mean sea level (from topographic map).
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 4,810 ft³/s November 20, 1990, gage height, 11.34 ft; no flow at times.