PROVISIONAL DATA SUBJECT TO REVISION

Station operated in cooperation with the U.S. Army Corps of Engineers and the city of Salem.

    
STATION.--14182500 LITTLE NORTH SANTIAM RIVER NEAR MEHAMA, OR

LOCATION.--Lat 44° 47'30", long 122䓢'40", in NW 1/4  sec.16, T.9 S., R.2 E., Marion 
   County, Hydrologic Unit 17090005, on left bank 2.0 mi east of Mehama, and at mile 2.0.
DRAINAGE AREA.--112 mi2 at cableway 1.2 mi downstream where all discharge measurements 
   are made.
PERIOD OF RECORD.--October 1931 to current year. Records for July to September 1924 and July 
   to September 1931 at site 4 mi upstream  not equivalent as a result of differences in 
   drainage areas.
GAGE.--Water-stage recorder. Datum of gage is 655.41 ft above NGVD of 1929. Prior to 
   June 12, 1948, nonrecording gage at about same site and datum.
REMARKS.--No regulation or diversion upstream from station. Records herein are for 
   measuring site. Continuous water-quality records for the period May 1985 to September 1986 
   have been collected at this location.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 36,000 ft3/s Dec.  22, 1964, gage height, 
   16.73 ft, from rating curve extended above 17,000 ft3/s; minimum discharge, 13 ft3/s 
   Aug. 30, 1961.

NOTE: The most current shifted rating for this site can be found at USGS Rating Depot website.