Warning: Javascript must be enabled to use all the features on this page!


Page Loading - Please Wait...

* We've detected you're using a mobile device. Find our Next Generation Station Page here.
Click to hideNews Bulletins

Water-Year Summary for Site 16071500

Click to hide Water-Year Summary instructions and information
  • 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.
Available Parameters
00060 Discharge(Mean)  

Water year 2023: 2022-10-01 to 2023-09-30
 
Print this page
USGS Water-Year Summary 2023
16071500 Left Branch Opaekaa Stream near Kapaa, Kauai, HI
LOCATION - Lat 22°04'32.2", long 159°23'45.2" referenced to North American Datum of 1983, Kauai County, HI, Hydrologic Unit 20070000, on left bank 0.4 mi upstream from mouth, 0.6 mi northeast of Wailua Reservoir, and 4.9 mi west of Kapaa.
DRAINAGE AREA - 0.75 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 2137: Drainage Area. WDR HI-10-1: Drainage Area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - May 1960 to current year. Prior to July 1960, published as Left Branch Opaekaa Stream near Kapaa.
GAGE - Water-stage recorder and concrete control. Datum of gage is 458.4 ft above mean sea level (by stadia survey).
REMARKS - No diversions upstream.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 1,060 ft³/s, December 14, 1991, gage height, 6.60 ft, from rating curve extended above 415 ft³/s on basis of slope-area measurement at gage height 5.01 ft; minimum, 0.09 ft³/s, September 27-30, 1968.