TOTAL RIVER DISCHARGE
Maximum discharge along the river is currently at the reporting a streamflow rate of cfs. This is also the highest stage along the Tolt River, with a gauge stage of ft at this location. This river is monitored from 1 different streamgauging stations along the Tolt River, the highest being situated at an altitude of ft, the .
The Tolt River is a 25-mile-long river in King County, Washington, that flows into the Snoqualmie River. It has a rich history, as it was once home to the Snoqualmie Tribe and later used for logging and milling operations. The river is fed by several tributaries and has an average flow of 350 cubic feet per second. The Tolt River is also home to two reservoirs, the Tolt Reservoir and the South Fork Tolt Reservoir, which provide drinking water to the Seattle metropolitan area. The Tolt River is a popular destination for recreational activities such as fishing, boating, and hiking, and its waters also support agriculture in the surrounding areas.
YEAR OVER YEAR DISCHARGE (CFS)
Streamflow Conditions
| Streamgauge | Streamflow | Gauge Stage | 24hr Change (%) | % Normal | Minimum (cfs) | Maximum (cfs) | Air Temp | Elevation |
|---|---|---|---|---|---|---|---|---|
|
Tolt River Near Carnation
USGS 12148500 |
436 cfs | 5.4 ft | -12.45 |
History of the River
The Tolt River is located in the western foothills of the Cascade Mountains in north central King County in the U.S. state of Washington. The river begins at the confluence of the North Fork Tolt and South Fork Tolt rivers. It flows southwest joining the Snoqualmie River near Carnation, Washington. The Tolt River watershed is part of the larger Snohomish River and Puget Sound drainage basin.
The South Fork Tolt watershed provides ~30% of the drinking water for Seattle area residents.
