USGS Water-Year Summary 2024
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.