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Columbia River

Contact Us About Columbia River Issues

Report an environmental violation

Report possible violations of environmental laws and regulations.

For general questions, please call our main number at 1-800-424-4372 or email so we can direct your question or comment to the appropriate staff person.

For questions about the Columbia River Basin Restoration Program, contact Mary Lou Soscia (, 503-326-5873.

For questions about the Columbia and Lower Snake River Temperature TMDLs, contact Mary Lou Soscia, 503-326-5873, or Laurie Mann (, 206-553-1583.

Mailing address:

Columbia River Coordinator
EPA Oregon Operations Office
805 SW Broadway, Suite 500
Portland, OR 97205

You may also submit comments and questions using the form below. Be sure to include your email address if you’d like a response.

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