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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
14046500 JOHN DAY RIVER AT SERVICE CREEK, OR
LOCATION - Lat 44°47'38", long 120°00'20" referenced to North American Datum of 1927, in NW 1/4 NE 1/4 sec.18, T.9 S., R.23 E., Wheeler County, OR, Hydrologic Unit 17070204, on left bank, 0.2 mi downstream from bridge on State Highway 207, 0.8 mi downstream from Service Creek, 0.5 mi southwest of town of Service Creek and at mile 156.7.
DRAINAGE AREA - 5,090 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - March 1925 to September 1926 (monthly discharge only, published in WSP 1318), October 1929 to current year.
GAGE - Water-stage recorder. Datum of gage is 1,632.42 ft above NGVD of 1929. See WSP 1738 for history of changes prior to Feb. 24, 1957.
REMARKS - Slight regulation by several small reservoirs upstream from station. Many small diversions for irrigation upstream from station.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 40,200 ft³/s Dec. 23, 1964, gage height, 17.85 ft, from rating curve extended above 14,000 ft³/s on basis of slope-area measurement of peak flow; minimum discharge, 6.0 ft³/s Aug. 23, 24, 1973.
