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Water-Year Summary for Site 16638500

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  • 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.
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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
16638500 Kahoma Stream at Lahaina, Maui, HI
LOCATION - Lat 20°52'59.3", long 156°40'37.5" referenced to North American Datum of 1983, Maui County, HI, Hydrologic Unit 20020000, (Lahaina quadrangle 1983, 1:24000), 0.2 mi. west of Kelawea, 0.6 mi northeast of Lahaina, 0.6 mi. downstream from Kanaha Stream and 0.9 mi upstream from mouth.
DRAINAGE AREA - 5.01 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.  WY2006 Peak discharge was revised from 479 ft³/s to 886 ft³/s on February 5, 2021. Peak discharge was added for WY2002 and WY2003, peak gage-height was updated for WY2002 on April 19, 2021.
PERIOD OF RECORD - Operated as a crest-stage gage from 1990 to 2020, continuous surface water gage from 1963-1989, 2021 to current year.
GAGE - Water-stage recorder. Elevation of gage is 50 ft above mean sea level (from USGS National Map DEM).
EXTREMES FOR PERIOD OF RECORD - Maximum discharge and gage height, 2,490 ft³/s, 11.03 ft., July 11, 1965.