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Water-Year Summary for Site 14145500

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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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Available Parameters
00010 Temperature, water(Max.,Min.,Mean)  
00060 Discharge(Mean)  

Water year 2020: 2019-10-01 to 2020-09-30
 

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USGS Water-Year Summary 2020
14145500 MIDDLE FORK WILLAMETTE RIVER ABOVE SALT CREEK, NEAR OAKRIDGE, OR
LOCATION - Lat 43°43'16", long 122°26'12" referenced to North American Datum of 1927, in NW 1/4 NE 1/4 sec.27, T.21 S., R.3 E., Lane County, OR, Hydrologic Unit 17090001, Willamette National Forest, on right bank, 90 ft upstream from Forest Service road FS-21, 0.4 mi upstream from Salt Creek, 1.1 mi downstream from Hills Creek Dam, 2.3 mi southeast of Oakridge and at mile 231.4.
DRAINAGE AREA - 392 mi².
REVISIONS HISTORY - WSP 1248: 1914.
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1913 to September 1914, September 1935 to current year. Monthly discharge only September 1935, published in WSP 1318.
GAGE - Water-stage recorder. Datum of gage is 1,208.01 ft above NGVD of 1929 (levels by U.S. Army Corps of Engineers). Oct. 3, 1913 to Sept. 30, 1914, nonrecording gage and Sept. 1, 1935 to Aug. 18, 1960, water-stage recorder at sites 400 ft and 1,000 ft downstream, at different datum.
REMARKS - Flow regulated since 1961 by Hills Creek Lake (active capacity, 248,900 acre-ft). No diversion upstream from station. Computation of monthly and annual adjusted flows discontinued water year 2014.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 34,000 ft³/s Dec. 28, 1945, gage height, 12.06 ft, site and datum then in use, from rating curve extended above 13,000 ft³/s; minimum discharge observed, 0.70 ft³/s Sept. 8-11, 13, 1961.
WATER-QUALITY RECORDS
PERIOD OF RECORD - WATER TEMPERATURE: October 1960 to September 1997, October 2008 to current year.
INSTRUMENTATION - Temperature probe and data logger.
EXTREMES FOR PERIOD OF DAILY RECORD - WATER TEMPERATURE: Maximum, 25.0°C Sept. 4, 1960; minimum, 1.5°C Jan. 4, 1961.