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Water-Year Summary for Site 16060000

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Available Parameters
00060 Discharge(Mean)  

Water year 2023: 2022-10-01 to 2023-09-30
 
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USGS Water-Year Summary 2023
16060000 South Fork Wailua River near Lihue, Kauai, HI
LOCATION - Lat 22°02'12.1", long 159°22'48.6" referenced to North American Datum of 1983, Kauai County, HI, Hydrologic Unit 20070000, on right bank 0.2 mi upstream from Wailua Falls and 4.3 mi north of Lihue.
DRAINAGE AREA - 23.74 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 1249: 1941-47(M), 1948-51(P). WSP 1719: 1943-49. WSP 1937: 1958-60. WDR HI-04-1: 1963(M), 1971(M), 1975(M), 1983(M), 1991-92(M), 1996(M). WDR HI-10-1: Drainage Area. Backwater and Estimated qualifers added to the gage-height and discharge from February 19-21, 2021 on March 3, 2022. Discharge data revised from March 30 to July 28, 2021 on June 17, 2022.
SURFACE-WATER RECORDS
PERIOD OF RECORD - December 1911 to April 1919, June 1919 to March 1921, May 1921 to June 1957, August, September 1957, November 1957 to February 1958, June 1958 to current year. Monthly discharge only for some periods, published in WSP 1319. Published as "above Waiehu Falls, near Lihue" 1912-13.
GAGE - Water-stage recorder. Elevation of gage is 240 ft (from topographic map). Prior to November 18, 1918, at site 0.3 mi upstream at different datum. November 18, 1918 to June 30, 1957, at site 10 ft downstream from present site at datum 2.50 ft higher.
REMARKS - Lihue and Hanamaulu ditches divert water upstream of station for irrigation.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 68,800 ft³/s, April 15, 1963, gage height, 23.10 ft, from rating curve extended above 13,000 ft³/s on basis of slope-area measurement of peak flow; minimum, 1.5 ft³/s, August 21, 1984.