USGS Water-Year Summary 2024
12172000 BIG BEAVER CREEK NEAR NEWHALEM, WA
LOCATION - Lat 48°46'40", long 121°04'20" referenced to North American Datum of 1927, Whatcom County, WA, Hydrologic Unit 17110005, on rightbank, 0.3 mi upstream from mouth, 60 mi east of Bellingham.
DRAINAGE AREA - 63.2 mi².
REVISIONS HISTORY - WSP 982: 1942. WSP 1932: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - March 1940 to September 1948 (published as Beaver Creek near Newhalem), November 1962 to September 1969 and June 27, 2018 to current water year.
GAGE - Water-stage recorder. Datum of gage is 1610.23 ft above NAVD 1988 (USGS GNSS2 static survey) and is 1,600 ft above NGVD of 1929 (from river profile map).
EXTREMES FOR PERIOD OF RECORD - Maximum daily discharge, 11,800 ft³/s, estimated, Nov. 15, 2021; maximum gage height, 10.14 ft., Nov. 15, 2021. Minimum discharge, 64 ft³/s, part or all of each day March 7-12, 1969.
WATER-QUALITY RECORDS
PERIOD OF DAILY RECORD - WATER TEMPERATURE: June 2018 to current year.
INSTRUMENTATION - Water-temperature sensor with 15-minute logging interval, interfaced directly with a data collection platform for satellite telemetry.
EXTREMES FOR PERIOD OF DAILY RECORD - WATER TEMPERATURE: Maximum, 13.3°C, July 21, 2023; minimum, -0.1°C on several days in December 2022.