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carollo engineers

Mar 10, 2021

$727 million federal loan to aid Portland project

The Portland Water Bureau recently obtained the largest Water Infrastructure Finance and Innovation Act (WIFIA) loan ever from the U.S. Environmental Protection Agency.

Feb 14, 2019

Wastewater treatment plants to gain upgrades

Major infrastructure upgrades are in the works for the city of Portland’s two major wastewater treatment plants in a project that’s expected to last for six years.



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