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Water-Year Summary for Site 12113346

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
  • For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
  • For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
  • For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
  • Not all sites have reports available for every water year.
Available Parameters
00060 Discharge(Mean)  
00065 Gage height(Mean)  

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

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USGS Water-Year Summary 2020
LOCATION - Lat 47°25'53", long 122°13'35" referenced to North American Datum of 1927, in SW 1/4 SW 1/4 sec.31, T.23 N., R.5 E., King County, WA, Hydrologic Unit 17110013, on right bank 50 ft upstream from 84th Avenue South (East Valley Highway), 1.2 mi upstream from confluence with Mill Creek, and 1.0 mi southeast of Orillia.
DRAINAGE AREA - 8.44 mi².
PERIOD OF RECORD - October 1993 to current year.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is NGVD of 1929 (City of Kent benchmark). U.S. Geological Survey satellite telemeter at station.
REMARKS - Natural flow affected by urbanization and construction of flood-control catchments.
  • Water Year 2014: No estimated daily discharges. Records poor.
  • Water Year 2015: Records poor.
  • Water Year 2016: Records fair except for estimated daily discharges, which are poor.
  • Water Years 2017 – 2019: No estimated discharges. Records poor.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 450 ft³/s, Feb. 9, 1996, elevation, 19.55 ft; minimum discharge, 0.52 ft³/s, Sept. 30, 2003.