East End Wastewater Treatment Plant Tour

We invite you to take a tour of the largest wastewater treatment facility in Maine and learn more about the important role wastewater treatment plays in preserving our waterways.

Please note that tours can take up to an hour and a half and involve walking outside and climbing stairs.

Tour the largest wastewater treatment plant in Maine

The Portland Water District operates four wastewater treatment plants in Greater Portland and oversees two of the largest industrial pretreatment programs in the state. Over decades, millions have been invested to modernize plants and further improve processes to protect Casco Bay.

Know what’s Happening Next — before everyone else does.

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Host or Publisher Portland Water District