Work begins on two-year $55 million wastewater treatment plant expansion

Mortenson Construction is starting work on the city of Bellingham’s Post Point Wastewater Treatment Plant Improvements.

Clearing and excavation of the site begins after a five-year planning and public involvement process. Crews will add new facilites to increase capacity in the secondary treatment process, which should help keep the plant in compliance with Washington State Department of Ecology discharge permit requirements.

The $48 million dollar project is the largest capital project the city has moved forward on since the last wastewater plant expansion on 1993. The project should be complete by summer 2014.

In collaboration with Mortenson Construction, a Minneapolis, Minn.-based firm that operates an office in Seattle, city officials are creating a biweekly construction update email newsletter. To subscribe, email the city at

More information is online. 

This article was revised on August 9, 2012, to reflect the following: City officials estimate the Post Point Wastewater Treatment Plant improvements will cost $48 million, according to the project’s website. 

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