Warning: Javascript must be enabled to use all the features on this page!

Page Loading - Please Wait...

Click to hideNews Bulletins

Water-Year Summary for Site 12059500

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.
Available Parameters
00060 Discharge(Mean)  
00065 Gage height(Mean)  

Water year 2022: 2021-10-01 to 2022-09-30

Print this page
USGS Water-Year Summary 2022
LOCATION - Lat 47°19'48", long 123°14'31" referenced to North American Datum of 1927, in NE 1/4 NW 1/4 sec.07, T.21 N., R.4 W., Mason County, WA, Hydrologic Unit 17110017, on left bank 1.1 mi upstream from South Fork Skokomish River, 5.4 mi southwest of Potlatch, 7.2 mi downstream from City of Tacoma Cushman Dam No. 2, and at river mile 10.1. Drainage area is 117 mi², includes, 99 mi² upstream from Cushman Dam No. 2, which is noncontributing except during spillage. Datum of gage is 63.49 feet above NGVD of 1929.
DRAINAGE AREA - 117 mi². includes 97.9 mi² (revised) upstream from Cushman Dam No. 2, which is noncontributing except during spillage.
PERIOD OF RECORD - March 1944 to November 1949 (destroyed by flood of Nov. 27, 1949), March 1950 to current year.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 63.49 ft above NGVD of 1929 (levels by City of Tacoma). Prior to Nov. 27, 1949, and Mar. 18 to May 9, 1950, water-stage recorder at site 200 ft downstream at present datum.
REMARKS - Upper portion of McTaggart Creek is diverted through Deer Meadow Creek into Cushman Reservoir No. 2. Flow regulated at Lake Cushman and at Cushman Reservoir No. 2 to supply powerplant, which discharges into Hood Canal. Entire flow of river normally diverted at Cushman Dam No. 2 except required in stream flow and infrequent large releases. Water temperatures March 1965 to September 1982. U.S. Geological Survey satellite telemeter at station.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 7,740 ft³/s, Nov. 4, 1955, gage height, 10.45 ft; minimum recorded discharge, 1.3 ft³/s, Sept. 5, 14, 16, 1951.