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- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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USGS Water-Year Summary 2024
14044000 MIDDLE FORK JOHN DAY RIVER AT RITTER, OR
LOCATION - Lat 44°53'20", long 119°08'25" referenced to North American Datum of 1927, in SW 1/4 NW 1/4 sec.08, T.8 S., R.30 E., Grant County, OR, Hydrologic Unit 17070203, on left bank, 0.2 mi south of Ritter, 0.8 mi downstream from Twelvemile Creek and at mile 14.9.
DRAINAGE AREA - 515 mi².
REVISIONS HISTORY - WSP 739: 1931. WSP 1218: 1950. WSP 1448: 1930-32, 1937, drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1929 to current year.
GAGE - Water-stage recorder. Datum of gage is 2,544.56 ft above NGVD of 1929.
REMARKS - No regulation. Diversions for irrigation upstream from station. Continuous water-quality records for period July 1966 to September 1968 have been collected at this location.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 5,430 ft³/s May 16, 2011, gage height, 8.46 ft; maximum gage height, 9.13 ft Feb. 1, 1963, result of ice jam; minimum discharge, 0.90 ft³/s Aug. 19, 20, 1966.
