Click
to
hide
Water-Year
Summary
instructions
and
information
- 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.
USGS Water-Year Summary 2024
12113349 MILL CREEK NEAR MOUTH, AT ORILLIA, WA
LOCATION - Lat 47°25'49", long 122°14'31" referenced to North American Datum of 1927, in NE 1/4 NW 1/4 sec.01, T.22 N., R.4 E., King County, WA, Hydrologic Unit 17110013, on right bank 100 ft upstream from Pedestrian bridge of Interurban Trail, in Orillia.
DRAINAGE AREA - 5.63 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - February 1994 to current year.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is NAVD of 1988 (Levels by City of Kent). Prior to October 2003, recording gage 0.7 mi downstream at datum NGVD of 1929 (City of Kent benchmark).
REMARKS - Natural flow affected by Green River Natural Resource area located 1.75 miles upstream and urbanization. U.S. Geological satellite telemeter at station.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 376 ft³/s, Feb. 9, 1996, from rating curve extended above 133 ft³/s, gage height, 18.77 ft, site and datum then in use; minimum daily discharge, 0.02 ft³/s, Sept. 10, 2020, Feb. 18, 2022 and Sept. 17, 2023.
