We Keep the
Environment
Clean.
Providing Wastewater Management & Treatment Services Since 1925.
Proper Wastewater Treatment
Protects Where You Live, Work, and Play
Water flushed or sent down the drain in homes, businesses, and commercial buildings must be cleaned. If not properly treated the chemicals, human waste, and other contaminants end up in our waterways.
At SESD, we serve local municipal sewer departments by collecting and treating wastewater containing contaminants. In support of this essential community service, we:
0
Million Gallons of Wastewater a Day
0
Miles of Interceptor & Force Main Pipes
0
Residents and Businesses
What We Do
SESD provides wastewater treatment services to Beverly, Danvers, Marblehead, Peabody, Salem, and portions of Middleton and Wenham.
We collect, process, and treat water contaminated by everyday use, removing harmful contaminants to ensure they aren’t released into the environment.
Learn More
Tours and Education
Processing over 9 billion gallons of wastewater per year, our treatment facility is essential to maintaining water quality in the communities we serve. SESD hosts tours and educational seminars for schools, community groups, and wastewater professionals, sharing a behind-the-scenes look at what we do and how we keep operations online 24/7.
Learn MoreNews & Alerts
View AllAction & Awareness, On Facility
Danvers – Unless Something Goes Terribly Wrong
"Every single drop of the worst product known to man comes to this plant, it is horrible, and what we...
Action & Awareness, On Facility
SESD at Beverly Harbor Fest 9/13/26
#bevhma #beverlyharborfest2026 SESD is proud to participate in the 15th Annual Beverly Harbor Fest celebration by the sea! On Sunday,...