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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.
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USGS Water-Year Summary 2025
12214500 SUMAS RIVER NEAR SUMAS, WA
LOCATION - Lat 48°58'30", long 122°15'00" referenced to North American Datum of 1927, in NW 1/4 NE 1/4 sec.11, T.40 N., R.4 E., Whatcom County, WA, Hydrologic Unit 17110001, on right bank, at Telegragh Road, 1.5 mi southeast of Sumas.
DRAINAGE AREA - 31 mi². revised for 2011
SURFACE-WATER RECORDS
PERIOD OF RECORD - July 1948 to September 1950, May to September 1955, January 2011 to September 2013. October 2022 to current year.
GAGE - Water stage recorder. Elevation of gage is arbitrary.
REMARKS -
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 800 ft³/s, December 28, 1949, gage height, 8.89 ft; minimum discharge, 5.18 ft³/s, October 9, 2023.
WATER-QUALITY RECORDS
PERIOD OF DAILY RECORD - TURBIDITY: April 2011 to September 2013.
INSTRUMENTATION - Turbidity sensor (FTS DTS-12) interfaced with a Data Collection Platform/Electronic Datalogger, with 15-minute recording interval, since April 2011. Any use of trade, product, or firm names in this publication is for descriptive purposes only and does not imply endorsement by the U.S. Government.
REMARKS - TURBIDITY: Records are good. No record Oct. 18-22, 25-26, 28, 30-31 and Feb. 10-11, and Jul. 5-30.
EXTREMES FOR PERIOD OF DAILY RECORD - TURBIDITY: Maximum, >1,670 FNU, Jan. 30, 2012; Minimum, 2.6, Sept. 11, 2013.
EXTREMES FOR CURRENT YEAR - TURBIDITY: Maximum, >1,600 FNU, Nov. 20, and March 1, 2013; Minimum, 2.6, Sept. 11, 2013.
