USGS Water-Year Summary 2024
16587000 Honopou Stream near Huelo, Maui, HI
LOCATION - Lat 20°53'08.3", long 156°15'09.2" referenced to North American Datum of 1983, Maui County, HI, Hydrologic Unit 20020000, on left bank 75 feet upstream from Wailoa Ditch intake, 2.2 mi southwest of Huelo, and 2.5 mi west of Kailua.
DRAINAGE AREA - 0.59 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 - WSP 1319: 1914(M), 1916-50(M). WSP 1249: 1948-50(P). WSP 1569: Drainage Area. WDR HI-10-1: Drainage Area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - December 1910 to current year. Monthly discharge only for some periods, published in WSP 1319.
GAGE - Water-stage recorders and steel weir plate. Datum of gage is 1,208 ft above mean sea level (by vertical angles). Prior to June 19, 1914, nonrecording gage at same site and datum.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 7,540 ft³/s, March 8, 2021, gage height, 8.12 ft; minimum, 0.02 ft³/s, several days in 1933, 1934.