Scoggins Creek, formerly known as Scoggin Creek, is a southeast-flowing stream in Washington County

Washington County, Oregon

- Major highways :* Interstate 5* Interstate 205* U.S. Route 26* Oregon Route 6* Oregon Route 8* Oregon Route 10* Oregon Route 47* Oregon Route 99W* Oregon Route 210* Oregon Route 217* Oregon Route 219-Demographics:...

, Oregon

Oregon

Oregon is a state in the Pacific Northwest region of the United States. It is located on the Pacific coast, with Washington to the north, California to the south, Nevada on the southeast and Idaho to the east. The Columbia and Snake rivers delineate much of Oregon's northern and eastern...

, United States

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

, named for pioneer Gustavus Scoggin. Surrounded by lava and basalt flows and layers of sandstone, it flows through the 1700 feet (518.2 m) wide Scoggins Creek Valley to Henry Hagg Lake

Henry Hagg Lake

Henry Hagg Lake is an artificial lake in northwest Oregon, United States, which is an impoundment of Scoggins Creek which drains a small portion of the eastern side of Northern Oregon Coast Range. The lake and creek are part of the Tualatin River’s watershed in the Tualatin Valley...

, impounded by Scoggins Dam, which was built in 1975. Just downstream from the lake, the creek empties into the Tualatin River

Tualatin River

The Tualatin River is a tributary of the Willamette River located in Oregon in the United States. The river is approximately long, and it drains a fertile farming region called the Tualatin Valley southwest and west of Portland at the northwest corner of the Willamette Valley...

 about 20 miles (32.2 km) west of Portland

Portland, Oregon

Portland is a city located in the Pacific Northwest, near the confluence of the Willamette and Columbia rivers in the U.S. state of Oregon. As of the 2010 Census, it had a population of 583,776, making it the 29th most populous city in the United States...

, at an elevation of 171 feet (52.1 m).