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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.
- For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
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USGS Water-Year Summary 2024
14155500 ROW RIVER NEAR COTTAGE GROVE, OR
LOCATION - Lat 43°47'35", long 122°59'25" referenced to North American Datum of 1927, in NE 1/4 sec.36, T.20 S., R.3 W., Lane County, OR, Hydrologic Unit 17090002, on right bank, 1.7 mi upstream from Mosby Creek, 2.1 mi downstream from Dorena Dam, 3.5 mi east of Cottage Grove and at mile 5.5.
DRAINAGE AREA - 270 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - January 1939 to current year. Prior to October 1947, published as "near Dorena."
GAGE - Water-stage recorder. Datum of gage is 685.24 ft above NGVD of 1929 (levels by U.S. Army Corps of Engineers). Jan. 5 to Oct. 12, 1939, nonrecording gage at site 180 ft upstream at datum 1.00 ft higher.
REMARKS - Flow regulated since October 1949 by Dorena Lake (active capacity, 77,580 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, 21,400 ft³/s Dec. 28, 1945, gage height, 18.20 ft; minimum discharge, 0.20 ft³/s Sept. 25 to Oct. 7, 1958.
WATER-QUALITY RECORDS
PERIOD OF DAILY RECORD -
WATER TEMPERATURE: August 2001 to current year.
INSTRUMENTATION - Temperature probe and data logger.
EXTREMES FOR PERIOD OF RECORD - WATER TEMPERATURE: Maximum, 25.3°C Aug. 16, 2021; minimum, 2.0°C Dec. 9, 2013, Jan. 6, 7, 2017.
