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Water-Year Summary for Site 16283200

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Available Parameters
00060 Discharge(Mean)  

Water year 2023: 2022-10-01 to 2023-09-30
 
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USGS Water-Year Summary 2023
16283200 Kahaluu Stream near Ahuimanu, Oahu, HI
LOCATION - Lat 21°26'19.4", long 157°50'37.9" referenced to North American Datum of 1983, Honolulu County, HI, Hydrologic Unit 20060000, on left bank, 1.1 mi west of Valley of the Temples Memorial Park, 1.3 mi south of Kahaluu School, and 2.7 mi northwest of Heeia Elementary School.
DRAINAGE AREA - 0.83 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-01-1: Drainage Area. WDR HI-08-1: 1984-2007 (P). WDR HI-10-1: 2005 (P), Drainage Area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1983 to current year.
GAGE - Water-stage recorder and concrete control. Elevation of gage is 150 ft above mean sea level (from topographic map).
REMARKS - Diverted ground water from tunnel in drainage basin since 1947. At times, farmers upstream of gage pump and/or divert small amounts of water from the stream.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 1,530 ft³/s, June 4, 2011, gage height, 7.89 ft; minimum, 0.47 ft³/s on October 20-27, 2001.