The project team worked with the city of Spokane to establish a next level of treatment filtration system by adding a tertiary membrane treatment to remove phosphorus.
The design for the Anacortes water treatment plant resiliency project called for a 42-in.-dia welded steel pipeline to be extended underneath the Skagit River.
Veteran engineer and municipal environmental manager Ted Henifin will manage city's troubled drinking water system, while local and federal officials negotiate a consent decree.
The 12 alluvial wells that supply the South Adams County Water and Sanitation District’s 66,000 customers produce severely hard water, requiring local homeowners to frequently replace plumbing and water heaters and purchase costly in-home softeners that release corrosive brine waste into the sewer.
Crews tasked with upgrading the Portsmouth Wastewater Treatment Plant in the same footprint as the existing plant due to space constraints on Peirce Island had to maintain treatment operations and public pool access.