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USGS Water-Year Summary 2024
12100498 WHITE RIVER AT PACIFIC, WA
LOCATION - Lat 47°15'37", long 122°14'14" referenced to North American Datum of 1927, in SW 1/4 SE 1/4 sec.36, T.21 N., R.4 E., King County, WA, Hydrologic Unit 17110014, on right back 0.2 mi downstream of Pacific City Park, at Pacific, and at mile 5.6.
DRAINAGE AREA - 476 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 2012 to May 2015 (seasonal elevation records). October 2015 to current year (continuous elevation records).
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is NGVD of 1929.
REMARKS - Elevation record only. U.S. Geological Survey satellite telemeter at station.
Since November 1911, White River Flume (station 12098920) has diverted water from left bank 18.7 mi upstream for storage in, and maintenance of, Lake Tapps (station 12101000). Water is returned to White River 2.0 mi downstream via the Lake Tapps Diversion (station 12101100). Power development at White River Powerplant at Dieringer was discontinued in 2004. Since 1942, flow regulated by Mud Mountain Lake (station 12098000) for flood control.
Since November 1911, White River Flume (station 12098920) has diverted water from left bank 18.7 mi upstream for storage in, and maintenance of, Lake Tapps (station 12101000). Water is returned to White River 2.0 mi downstream via the Lake Tapps Diversion (station 12101100). Power development at White River Powerplant at Dieringer was discontinued in 2004. Since 1942, flow regulated by Mud Mountain Lake (station 12098000) for flood control.
EXTREMES FOR PERIOD OF RECORD - Maximum elevation, 76.68 ft, Dec. 8, 2015; minimum elevation, 70.33 ft, Oct. 11, 2014.
