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USGS Water-Year Summary 2024
12201500 SAMISH RIVER NEAR BURLINGTON, WA
LOCATION - Lat 48°32'46", long 122°20'13" referenced to North American Datum of 1927, in SE 1/4 SE 1/4 sec.06, T.35 N., R.4 E., Skagit County, WA, Hydrologic Unit 17110002, on left bank, 0.5 mi downstream from Friday Creek, 300 ft downstream from bridge on U.S. Highway 99, 5.0 mi north of Burlington, and at mile 10.3.
DRAINAGE AREA - 87.8 mi².
REVISIONS HISTORY - WSP 1216: Drainage area. WSP 1286: 1944(M), 1945.
SURFACE-WATER RECORDS
PERIOD OF RECORD - July 1943 to September 1971, annual maximum water years 1972-83, miscellaneous discharge measurements 1972-74, 1976-96, October 1996 to current year.
GAGE - Water-stage recorder. Datum of gage is 36.72 ft above NAVD of 1988 (USGS GNSS RTN Level II survey July 22, 2021) and 45 ft above NGVD of 1929 (topographic map). Prior to Dec. 1, 1948, at site 500 ft upstream at datum 0.75 ft higher. Dec. 1, 1948 to Jan. 7, 1949 nonrecording gage 200 ft upstream at datum 3.14 ft higher than present datum.
REMARKS - State fish hatchery on Friday Creek diverts about 4 ft³/s, which is returned upstream from station. Slight regulation and there may be some pumping for irrigation. Chemical analyses 1959-70, 1973-74, 1977 to June 1980. Water temperatures March 1973 to April 1974.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 9,870 ft³/s, Jan. 8, 2009, gage height, 14.01 ft; maximum gage height, 14.18 ft, Nov. 15, 2021; minimum daily discharge, 15 ft³/s, Sept. 5, 2003.
