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What We Do

Your Bridge to Clean Water

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Put our decades of experience to work for you!

The Bridgewater Environmental Services team is uniquely qualified to manage your sanitary improvement project. Whether because of mandates, system failure, or environmental altruism, upgrading your sanitary system is the single largest positive environmental impact you can have on Long Island’s waterways. Our team brings decades of experience in:

Who We Are

Our Team

Sean Oneill Headshot

Sean O'Neill

10+ years experience in Environmental Compliance/Natural Resource Management. Master Degree in Environmental and Natural Resource Economics. Lifetime clean water advocate and active member of the international Waterkeeper Alliance movement.



$15M in New Funding Available to Upgrade Septic Systems in Suffolk County

Governor Cuomo announced an additional $15 million in funding for the State Septic System Replacement Program. The program provides grants to upgrade septic systems across the state (Suffolk County residents…

The Cost of Upgrading a Septic System

Septic treatment systems last, on average, 20 to 30 years. Most modern systems last at least 25 years. The septic system includes both the tank, where solids remain, and the…

How Does an Advanced Septic System Work?

Advanced septic systems are meant to help protect the environment by preventing pollutants from entering the ground and water table. They are also meant to protect people and animals from…

Satisfied Customer


(07 Review)

Bridgewater Environmental helped us through the process of installing a new I/A OWTS that cost us nothing out of pocket!