USGS Water-Year Summary 2024
16274100 Kaneohe Str blw Kamehameha Hwy, Oahu, HI
LOCATION - Lat 21°24'42.5", long 157°47'53.2" referenced to North American Datum of 1983, Honolulu County, HI, Hydrologic Unit 20060000, on the left bank at Kaneohe Civic Park, 150 ft below the confluence with Ahlo Ditch, 400 ft downstream from the Kamehameha Highway, 0.2 mi downstream from the confluence of Kamooalii Stream and Kapunahala Stream, and 1.0 mi upstream from Kaneohe Bay.
DRAINAGE AREA - 5.22 mi². from automated delineation using 10-meter National Elevation Dataset digital elevation model data dated 09/2006 and Watershed Boundary Dataset dated 05/2008, using UTM Zone 4 projection, NAD 83 horizontal datum.
REVISIONS HISTORY - Turbidity data was revised from February 28 to May 16, 2019 on May 5, 2020; and March 9, 2021 (1015-1300) and December 6, 2021 (2045-2055) on March 3, 2023.
SURFACE-WATER RECORDS
PERIOD OF RECORD - September 2016 to current year.
GAGE - Water-stage recorder and channel control.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 4,350 ft³/s, gage height, 24.33 ft., February 18, 2018.
WATER-QUALITY RECORDS
PERIOD OF RECORD - Miscellaneous water quality measurements 1988-2000; Suspended sediment loads and concentrations September 2016 to current year; Turbidity November 2017 to current year.
PERIOD OF DAILY RECORD - Suspended sediment loads and concentrations September 2016 to current year; Turbidity November 2017 to current year.
INSTRUMENTATION - Automatic pumping sediment sampler October 2016 to current year. Turbidity sensor November 2017 to current year.
EXTREMES FOR PERIOD OF RECORD - SUSPENDED-SEDIMENT CONCENTRATION: maximum daily, 63 mg/L, February 11, 2017; minimum daily, 5 mg/L on many days. SUSPENDED-SEDIMENT DISCHARGE: Maximum daily, 80 tons, February 11, 2017; minimum daily 0.1 ton on many days; TURBIDITY: maximum recorded, 5,700 FNU, February 18, 2018; minimum recorded, 0.0 FNU on many days.