Click
to
hide
Water-Year
Summary
instructions
and
information
- 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
16345000 Opaeula Stream near Wahiawa, Oahu, HI
LOCATION - Lat 21°33'44.4", long 158°00'00.9" referenced to North American Datum of 1983, Honolulu County, HI, Hydrologic Unit 20060000, on left bank, 4.3 miles northeast of Leilehua High School in Wahiawa, and 8.1 miles east of Waialua School. Altitude of gage is 1,120 feet (from topographic map).
DRAINAGE AREA - 3 mi². from automated delineation using 10-meter National Elevation Dataset digital elevation model data dated September 2006 and Watershed Boundary Dataset dated May 2008, using UTM Zone 4 projection, NAD 83 horizontal datum.
REVISIONS HISTORY - WDR HI-10-1: Drainage Area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - August 1959 to current year.
GAGE - Water-stage recorder and concrete control. Elevation of gage is 1,120 feet above mean sea level (from topographic map).
REMARKS - No diversion upstream of station.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 7,280 ft³/s, March 9, 2021, gage height, 15.89 feet; no flow at times.
