From US EPA:

EPA is issuing two Unilateral Agreement Orders to initiate remedial design at the Portland Harbor Superfund Site: one to Evraz, Inc. to address contamination adjacent to its Rivergate plant between River Miles 1.9 and 3.2 on the east side of the Willamette River; and one to Schnitzer Steel Industries, Inc. and MMGL, LLC to address contamination inside and adjacent to the International Slipbetween River Miles 3.2 to 4.2 on the east side of the Willamette River.

You can view the Unilateral Agreement Ordersand more information on EPA’s Portland Harbor Superfund website at:

For an updated, comprehensive map showing the project areas under unilateral orders, other areas under signed agreements, and more information, please see EPA’s March 2020 Portland Harbor Superfund Site Updates fact sheet.

For news media inquiries on the unilateral orders or other updates on the Superfund cleanup, please contact Suzanne Skadowski (, 206-553-2160).