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Water-Year Summary for Site 16264690

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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Available Parameters
00060 Discharge(Mean)  
80154 Suspnd sedmnt conc(Mean)  
80155 Suspnd sedmnt disch(Mean)  

Water year 2025: 2025-10-01 to 2026-09-30
 
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USGS Water-Year Summary 2025
16264690 Kawainui Stream near Kailua, Oahu, HI
LOCATION - Lat 21°23'34.3", long 157°46'27.1" referenced to North American Datum of 1983, Honolulu County, HI, Hydrologic Unit 20060000,
DRAINAGE AREA - 0.46 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 - Discharge data was revised from December 5, 2017 to October 30, 2018 on August 20, 2019.
SURFACE-WATER RECORDS
PERIOD OF RECORD - December 2017 to October 2019 (discontinued).
EXTREMES FOR PERIOD OF RECORD - Maximum instantaneous discharge 89.4 ft³/s, 5.78 ft on February 18, 2018.  Minimum: no flow on many days.
WATER-QUALITY RECORDS
PERIOD OF RECORD - September 2016 to October 2019 (discontinued).
EXTREMES FOR PERIOD OF RECORD -

Maximum suspended sediment concentration, 20,196 mg/L (estimated) February 18, 2018; minimum 0.00 mg/L on many days.

Maximum suspended sediment discharge, 4,875 tons/day (estimated) February 18, 2018; minimum 0.00 tons/day on many days.