USGS Water-Year Summary for Site 12510500

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	Available Parameters
	00060 Discharge(Mean)
	00065 Gage height(Mean)
	00300 Dissolved oxygen(Max.)

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Water year 2024: 2023-10-01 to 2024-09-30

USGS Water-Year Summary 2024

12510500 YAKIMA RIVER AT KIONA, WA

LOCATION - Lat 46°15'13", long 119°28'37" referenced to North American Datum of 1927, in SE 1/4 NE 1/4 sec.19, T.9 N., R.27 E., Benton County, WA, Hydrologic Unit 17030003, on left bank just upstream from abandoned highway bridge pier at Kiona, 0.1 mi upstream from highway bridge, 3.6 mi downstream from Corral Canyon Creek, 5.0 mi downstream from intake of Kiona Canal, and at mile 29.9.

DRAINAGE AREA - 5,615 mi².

REVISIONS HISTORY - WSP 214: 1905. WSP 1122: 1934(M). WSP 1216: 1949-50. WSP 1286: 1907(M), 1909, 1936. WSP 1933: Drainage area.

SURFACE-WATER RECORDS

PERIOD OF RECORD - August to December 1895 (gage heights only, fragmentary), August 1896 to March 1915, February 1933 to current year. Monthly discharge only 1887 to 1933, published in WSP 1316 and are available at the Kennewick, Washington, field office.

GAGE - Water-stage recorder. Datum of gage is 454.41 ft above NGVD of 1929. Prior to Mar. 31, 1915, nonrecording gages at approximately same site and datum. Feb. 6, 1933, to July 26, 1934, nonrecording gage at present site and datum.

REMARKS - Diversion upstream from station for irrigation of about 424,000 acres. Flow affected by diversions and by Keechelus, Kachess, Cle Elum, Bumping, and Rimrock Lakes. The Kiona Canal bypasses station with a mean flow of approximately 23 ft³/s for irrigation of about 1,100 acres downstream from station. Diversion by the Kennewick Canal, which bypasses station, began in August 1956, and diverts about 96,000 acre-ft per year. Bureau of Reclamation satellite telemeter at station.

EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 67,000 ft³/s, Dec. 23, 1933, gage height, 21.57 ft, from high-water marks; minimum discharge observed, 105 ft³/s, Sept. 11, 1906.

WATER-QUALITY RECORDS

PERIOD OF RECORD - Water years 1953-94, 1999 to 2008, 2012 to current year.

PERIOD OF DAILY RECORD - SPECIFIC CONDUCTANCE: December 1952 to September 1969 (composite samples), October 1969 to September 1977, July 1999 to June 2000, February 2001 to September 2008. pH: April 2004 to September 2008. WATER TEMPERATURE: December 1952 to September 1980, March 1981 to February 1982, July 1999 to June 2000, Oct. 2000 to September 2008. DISSOLVED OXYGEN: April 2004 to September 2008. SUSPENDED SEDIMENT: June 1977 to October 1980. TURBIDITY: April 2004 to September 2007. CHLOROPHYLL: April 2004 to September 2005.

INSTRUMENTATION - Water-quality monitor July 1999 to September 2008. Electronic data logger, with 15-minute logging interval. Bureau of Reclamation satellite telemeter at station. Any use of trade, product, or firm names in this publication is for descriptive purposes only and does not imply endorsement by the U.S. Government.

EXTREMES FOR PERIOD OF RECORD - SPECIFIC CONDUCTANCE: Maximum observed, 675 microsiemens, Dec. 3, 1970; minimum recorded, 82 microsiemens, June 17, 2002. pH: Maximum recorded, 10.3 units, June 28, 2006; minimum recorded, 7.5 units, July 6, 2004, July 21, 2004, Aug. 9, 2004, Jan. 20-22, 2005, Jan. 24, 2005, Nov. 8, 2006, and Nov. 9, 2006. WATER TEMPERATURE: Maximum, 30.8 °C, July 20, 2001; minimum, 0.0°C on several days during winter months most years. DISSOLVED OXYGEN: Maximum recorded, 18.2 mg/L, June 25, 2007; minimum recorded, 2.4 mg/L, July 6, 2004. TURBIDITY: Maximum recorded, 420 FNU, Apr. 22, and Apr. 24, 2004, but may have been greater during periods of missing record; minimum recorded, 0.0 on Oct. 7-14, Nov. 13, 2005 (minimum reported as <1 previously). SUSPENDED SEDIMENT: Maximum daily mean, 1,750 mg/L Dec. 4, 1977; minimum daily mean, 1 mg/L Dec. 11, 14, 1978. SEDIMENT DISCHARGE: Maximum daily, 110,000 tons; minimum daily 6.2 tons Dec. 14, 1978. CHLOROPHYLL: Maximum recorded, 28 units, Jan.20, 2005; minimum recorded, <0.1 units, June 26, 2004.