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Water-Year Summary for Site 14171000

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Available Parameters
00060 Discharge(Mean)  

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

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USGS Water-Year Summary 2019
14171000 MARYS RIVER NEAR PHILOMATH, OR
LOCATION - Lat 44°31'30.00", long 123°20'02.40" referenced to North American Datum of 1983, in NE 1/4 SE 1/4 sec.18, T.12 S., R.5 W., Benton County, OR, Hydrologic Unit 17090003, on right bank, 15 ft downstream from bridge on Bellfountain Road, 0.6 mi downstream from Newton Creek, 2.0 mi southeast of Philomath and at mile 9.4.
DRAINAGE AREA - 159 mi². including drainage area of Evergreen Creek, upstream from Bellfountain Road, 1.4 mi south of station.
REVISIONS HISTORY - WSP 1218: Drainage area. WSP 1935: 1956(M).
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1940 to September 1985, October 2000 to current year.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 224.01 ft above NGVD of 1929 (levels by U.S. Army Corps of Engineers). Prior to Oct. 1, 1961, nonrecording gage at bridge 15 ft upstream at same datum. Oct. 1, 1961 to Sept. 30, 1985, at site 35 ft downstream at same datum.
REMARKS - Records include flow of Evergreen Creek at Bellfountain Road crossing which may at times be mingled with overflow from Marys River. Slight regulation and diversion by small storage reservoir on Rock Creek. Other small diversions upstream from station for irrigation.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 13,600 ft³/s Dec. 22, 1964, gage height, 20.72 ft; maximum gage height, 21.53 ft Jan. 19, 2012; minimum discharge, 0.60 ft³/s Aug. 23, 1967.