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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.
- For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
- Not all sites have reports available for every water year.
USGS Water-Year Summary 2023
16605500 Wailuku River at Iao Valley Road, Maui, HI
LOCATION - Lat 20°52'58.7", long 156°32'01.8" referenced to North American Datum of 1983, Maui County, HI, Hydrologic Unit 20020000,
DRAINAGE AREA - 6.59 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - Continuous surface water gage October 2019 to current year.
GAGE - Water stage recorder. Elevation of gage is 663 feet above local mean sea level (LMSL) from digital elevation map.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 1,340 ft³/s (estimated), December 25, 2019, gage height, 7.04 ft; minimum, 3.94 ft³/s (estimated), October 30, 2019, gage height 2.78 ft.
