USGS Water-Year Summary 2024

12099600 BOISE CREEK AT BUCKLEY, WA

LOCATION - Lat 47°10'34", long 122°01'02" referenced to North American Datum of 1927, in NE 1/4 SE 1/4 sec.34, T.20 N., R.6 E., King County, WA, Hydrologic Unit 17110014, on left bank at downstream side of county road bridge, 1.0 mi northeast of Buckley, and at mile 0.1.

DRAINAGE AREA - 15.4 mi².

SURFACE-WATER RECORDS

PERIOD OF RECORD - March 1977 to September 1981, December 1981 to current year.

GAGE - Water-stage recorder and crest-stage gage. Elevation of gage is 630 ft above NGVD of 1929 (from topographic map) and 632.84 ft above NAVD of 1988 (GNSS survey by USGS, June 23, 2022). March 1977 to January 24, 1984, at site 45 ft upstream at datum 7.91 ft higher. January 25, 1984 to March 26, 1996, at site 20 ft upstream, at datum 6.00 ft higher. March 27, 1996 to Sept. 30, 2008, at site 30 ft upstream at datum 5.00 ft higher. Oct. 1, 2008 to May 31, 2013 at site 30 ft upstream at same datum.

REMARKS - Flow partly regulated by millpond at mile 5.6. Diversions upstream from station for domestic and industrial use. Inter-basin diversion from Scatter Creek of about 2 ft³/s during low-flow periods enters Boise Creek upstream from millpond. U.S. Geological Survey satellite telemeter at station. Chemical analyses November 1961 to July 1964. 

EXTREMES FOR PERIOD OF RECORD - Maximum recorded discharge, 1,360 ft³/s, Jan. 7, 2009, gage height, 10.39 ft, but may have been higher on that day; minimum discharge, 1.2 ft³/s Aug. 29, 2015.