Sustainable Design > Project Case Study

Wastewater Treatment Plant Upgrade 

The upgraded facility has increased treatment efficiency by nearly 40% and cut energy use by over 40%.

The Falmouth WWTF discharges to Casco Bay, one of the 27 estuaries of national significance designated by the EPA. Faced with an aging facility, significant sewered growth over the preceding decade, concerns about future growth impacts, and the expectations of more stringent nutrient standards for Casco Bay, the Town embarked on a major facility upgrade to address these concerns. Challenged by significant site constraints, creative and innovative concepts were developed by Wright-Pierce to maximize the reuse of existing infrastructure in concert with new treatment technologies.

The result was the successful conversion to one of only a few advanced wastewater treatment facilities in the state of Maine. The upgraded facility has increased treatment efficiency by almost 40% and is poised to meet future nutrient discharge standards, while at the same time reducing its “carbon footprint” by cutting energy use by over 40%.

This $7M project was completed without an increase to the original bid price, practically unheard of on publically bid public works projects.

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