Environmental Engineering and Water Quality Science
Practical solutions for healthier watersheds & resilient communities
About us
For over 40 years, EOA has partnered with public agencies, private organizations, and nonprofit stakeholders throughout California to protect, restore, and enhance water quality and watersheds. We combine scientific and technical expertise with regulatory knowledge, collaborative problem-solving, and practical implementation experience to develop solutions that help our clients address complex environmental challenges and build healthier, more resilient communities.
Service Areas
EOA provides technical and regulatory science and engineering services in seven main service areas. We have the extensive experience and expertise needed to cost-effectively assist public agencies, private businesses, and other organizations to comply with environmental regulations and protect and restore water resources in the San Francisco Bay Area and throughout California.
Stormwater
Wastewater & Recycled Water
Pollutant Concerns
Watershed Planning
Information Management
Monitoring
Questions?
Whether you’re curious about services, training, or career opportunities at EOA, we’re here to answer any questions.