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Water-Year Summary for Site 16212480

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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 2023: 2022-10-01 to 2023-09-30
 
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USGS Water-Year Summary 2023
16212480 Honouliuli Stream Tributary near Waipahu, Oahu, HI
LOCATION - Lat 21°24'06.6", long 158°04'00.9" referenced to North American Datum of 1983, Honolulu County, HI, Hydrologic Unit 20060000, on right bank 35 ft upstream from service road crossing, 0.3 mi downstream from the confluence of Palawai Gulch and Kaaikukai Gulch, and 2.8 mi west of Waipahu.
DRAINAGE AREA - 1.86 mi². from automated delineation using 10-meter National Elevation Dataset digital elevation model dataset data dated September 2006 and Watershed Boundary Dataset dated May 2008, using UTM Zone 4 projection, NAD83 horizontal datum.
SURFACE-WATER RECORDS
PERIOD OF RECORD - August 2012 to November 2021.
GAGE - Water-stage recorder. Elevation of gage is 629 feet above mean sea level (from 10-meter National Elevation Dataset digital elevation model).
REMARKS - No diversions upstream.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 482 ft³/s, October 14, 2013, gage-height, 8.08 ft.; minimum, no flow on many days
WATER-QUALITY RECORDS
PERIOD OF RECORD - Suspended sediment concentrations and discharge August 2012 to September 2021.  Nutrient samples October 2017 to September 2021.
PERIOD OF DAILY RECORD - Suspended sediment concentrations and discharge October 2012 to September 2021.
INSTRUMENTATION - Automatic pumping sediment sampler October 2012 to September 2021.  Nutrient sampler October 2017 to September 2021.
EXTREMES FOR PERIOD OF DAILY RECORD -

SUSPENDED SEDIMENT CONCENTRATION: Maximum daily mean, 3,610 mg/L, February 5, 2018; minimum, 0.0 mg/L, on many days.

SUSPENDED SEDIMENT DISCHARGE: Maximum daily, 799 tons, October 14, 2013; minimum, 0.0 tons on many days.