The Dalles Watershed area is 82,406 acres, or 129 square miles. The Dalles Watershed is oriented in a southwest to northeast direction in the eastern foothills of the Cascade Range and on the western edge of the Columbia Plateau.

 The Dalles Watershed is comprised of five sub-watersheds: Rowena/Hidden Valley, Chenowith/Brown’s Creek, Mill Creek, Dry Hollow, and Three Mile. All of the sub-watersheds drain in a southwest to northeast direction. The watershed is bounded by the Columbia River on the north, Mosier Creek Watershed and the Hood River basin on the west and Fifteenmile Watershed to the south and east. The elevation ranges from 4900 feet at the headwaters of Mill Creek, to 98 feet at the Columbia River. The watershed includes the City of The Dalles along the Columbia River.

 The urban area is included in portions of Three Mile, Dry Hollow, Mill Creek, and Chenowith sub-watersheds. The Rowena sub-watershed contains a short drainage west of the community of Rowena that roughly parallels Rowena Creek, but on the eastern side of Rowena Ridge. This drainage flows from the east side of McCall Point, down a steep ravine and empties into a small bay at Mayer State Park on the Columbia River. Other features in the sub-watershed include Foley Lakes, Gooseberry Creek and a number of small wetlands.

The Dalles WS Assessment


(Click map to enlarge)

Council Information
The Dalles Watershed Council
Co-chair Bruce Lumper
Co-chair: Ken Bailey
Council Minutes
December 12, 2018
5:30 PM
USDA Service Ctr Conf Room

Lower Mill Creek Vision and Plan

Agenda-coming soon
Council By-Laws
Wasco Co. SWCD
USDA Service Center
2325 River Rd. Ste. 3
The Dalles, OR 97058
Office Hours
Monday thru Friday
8:00 AM - 4:30 PM
Closed Holidays
Wasco County Soil and Water Conservation District (WCSWCD) prohibits discrimination against its employees, partners, and participants for services and employment, on the basis of race, color, national origin, age, disability, sex, gender identity, religion, political beliefs, marital status, familial or parental status, and sexual orientation. WCSWCD is an Equal Opportunity Employer

The Dalles Watershed Map

A watershed is the area of land that drains into a particular body of water such as a stream, river, lake, or bay.
The watershed includes not only the waterway itself, but also the entire land area that drains to it.

The Dalles Watershed & Council

Wasco County Soil and Water Conservation District


About The Dalles Watershed
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The Dalles Area Council Watershed Action Plan
October 2017
2nd Wed every other month
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January 2018

Councils are often treated to presentations on various projects supported by and undertaken by partnering organizations and agencies, as well as ongoing District and Council supported projects. These presentations are now on a combined "Council Presentation" page found at the link below.

Council Presentations