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Environmental Disasters, Human-made: Watersheds

This guides helps provide information about human-made environmental disasters within 500 miles of Portland, Oregon.

Tip for Finding Sub-Watersheds

Each watershed should have detailed map of their own watershed on their website.

Some do a better job of outlining their jurisdiction. The best way to find a map is to search for the name of the watershed council and map. For example, search for:

Clackamas Watershed Council Map.

Your results will yield several maps, including an interactive map of the Clackamas Watershed.

Oregon Watershed Council Map