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Station operated in cooperation with South Santiam Watershed Council.
STATION.-- 14188800 THOMAS CREEK NEAR SCIO, OR
LOCATION.--Lat 44° 42'44", long 122° 46'06", In NW 1/4 SE 1/4 sec.11, T.10 S., R.1 W,
Linn County, Hydrologic Unit 17090006, on right bank, at State Highway 226, 13 mi
upstream from Mill Creek, 3.9 mi east of Scio, and at mile 14.2
DRAINAGE AREA.--109.73 mi2..
GAGE.--Water-stage recorder and crest-stage gage. Datum of gage was 380.84 ft above
NGVD of 1929, from topographic map. Current datum of gage is 370 ft above NGVD of 1929.
REMARKS.--No regulation. Several small diversions for irrigation upstream
from station.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 27,400 ft3/s Dec. 22, 1964,
gage height, 18.44 ft, from rating curve extended above 7,200 ft3/s, on basis of
slope-area measurement of peak flow; minimum discharge, 19.58 ft3 Jan. 21, 1972,
backwater from debris; minimum discharge, 3.4 ft3/s Sept. 6, 2003.
NOTE: The most current shifted rating for this site can be found at USGS Rating Depot website.
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