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Marmot Dam Removal

Sector: Water Supply and Storage • Location: Portland, Oregon, United States

Source: Oregon Humanities

Project
Completed

The Marmot Dam, part of the Bull Run Hydroelectric Project, was removed to restore salmon migration and improve ecological conditions in the Sandy River. The removal was a significant step in balancing ecological needs with human needs, allowing salmon to access previously blocked habitats.

Status
Closed
Sector
Water Supply and Storage, Hydro
Location
Portland, Oregon, United States of America
Updated
22 Jul 2026
Source
Oregon Humanities

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Project Information

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The project “Marmot Dam Removal” is an infrastructure initiative in the Water Supply and Storage sector, located in Portland, Oregon, United States. Taiyo aggregates data on it from Oregon Humanities.

Participants

Not available for this record.

Status

Original status

completed

Taiyo status

Closed

Taiyo last update

2026-07-22

Contact

Not available for this record.

Description

Description

The Marmot Dam, part of the Bull Run Hydroelectric Project, was removed to restore salmon migration and improve ecological conditions in the Sandy River. The removal was a significant step in balancing ecological needs with human needs, allowing salmon to access previously blocked habitats.

Original sector

Environment

Location

Country

United States of America (USA)

State

Oregon

City

Portland

Source

Source

Oregon Humanities

URL

More Details

Record type

Project

Sector

Water Supply and Storage, Hydro

Article published date

2025-03-20

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