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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.
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USGS Water-Year Summary 2024
16759600 Waiaha Stream at Holualoa, HI
LOCATION - Lat 19°38'03.1", long 155°56'58.9" referenced to North American Datum of 1983, Hawaii County, HI, Hydrologic Unit 20010000, (Kailua quadrangle, 1996, 1:24000), on right bank 3 miles southeast of intersection of Hwy 19 and 190 and 1.7 miles north of intersection of Hwy 180 and Holualoa Road. Altitude of gage is 1,440 feet from topographic map.
DRAINAGE AREA - 10.9 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 - Drainage area, June 24, 2016.
SURFACE-WATER RECORDS
PERIOD OF RECORD - November 2002 to September 2003, August 2016 to current year.
GAGE - Crest-stage gage. On August 4, 2016, gage was converted to a continuous water-stage recorder with telemetry and a submersible transducer. Datum of gage is 1,440 ft above mean sea level (from topographic map).
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 1,820 ft³/s, April 21, 2004, gage height, 5.31 ft from rating curve developed using super-critical
flow computations; minimum 0.00 ft³
/s on many days.
