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EOA is a multi-disciplinary environmental consulting firm that specializes in water quality stewardship.

We combine sound science and engineering with regulatory expertise, collaborative problem-solving skills and public policy savvy to deliver cost-effective, innovative and practical solutions to today’s water quality challenges. For over 30 years we have helped a wide range of public agencies, private businesses, and other organizations in the San Francisco Bay Area and throughout California to protect, restore and enhance the water environment.