Welcome to the Cohasset Sewer Commission, your trusted local government office dedicated to managing and maintaining the sewer infrastructure of Cohasset, Massachusetts. Conveniently located at 41 Highland Avenue, Cohasset, MA 02025, our mission is to ensure the efficient and environmentally responsible treatment of wastewater for our community. We are committed to providing high-quality service to our residents and businesses, safeguarding public health, and protecting our natural resources. Our knowledgeable team is here to address your sewer-related inquiries and provide support for all your wastewater needs. Visit us to learn more about our services, policies, and how we are working to maintain a sustainable and clean environment for Cohasset.