ESA is pleased to announce that it has merged with Sitka Technology Group, facilitating the...

We partner with clients to thoughtfully navigate regulatory complexities and provide integrated and enduring solutions for the supply and conveyance of treated and recycled water, wastewater, watershed management, and flood control.
From concept to completion, we assist with the planning, permitting, and implementation of water projects while minimizing impacts to the environment. This integrated approach saves our clients time and money and advances their strategic resource management and stewardship goals.
Our work has been recognized with awards from the National Association of Environmental Professionals, Association of California Water Agencies, American Society of Landscape Architects, and International Association for Public Participation.
Construction Compliance Monitoring
Desalination & Recycled Water
Environmental Review & Documentation (CEQA/NEPA/SEPA)
Permitting Assistance
Wastewater
Water Quality
ESA is pleased to announce that it has merged with Sitka Technology Group, facilitating the...
We are happy to announce four new members to ESA's Board of Directors and three...
Meet Michael Gatheru—who just received his undergraduate degree from UCLA in Environmental Science. Michael joined...
In early April, emergency crews began draining millions of gallons of high-nutrient wastewater from the...
Read a recent article co-authored by ESA's Tom Barnes in a recent issue of UWI's...
ESA is excited to attend, and are proud sponsors of the 2021 Virtual CalDesal Conference...