Environmental Science Associates

For over 50 years, the Mills Act has been making ownership of older buildings more affordable in communities across California. Historic buildings often require specialized materials, skilled craftspeople, and more expensive maintenance than modern buildings. Recognizing these ch...

ESA is pleased to sponsor and present at the 2026 Groundwater Resources Association’s Annual Groundwater Congress in Palm Springs, California from September 28 – 30. ESA’s multidisciplinary team of hydrology, ecology, groundwater policy, and technology experts are excited to share technical solutions and connect with water professionals concerning the future of groundwater ma...

Artificial Intelligence (AI) continues to advance in its capabilities and gain broader adoption across both public and private sectors. Although deploying AI across various workflows can create noticeable efficiencies, it can also introduce risk in the process. Successfully optimizing those efficiencies, while managing and mitigating the associated risk, is central to effecti...

Spanning more than 705 miles, California’s State Water Project supplies water to nearly 27 million residents and agricultural users through an extensive network of reservoirs, pumping and power plants, canals, tunnels, and pipelines.

Unfortunately, there have been adverse effects on sensitive native fish populations over the decades throughout the State Water Projec...

San Francisco Bay is the largest estuary in California. With a watershed encompassing 1,600 square miles, it drains 40 percent of the state’s freshwater runoff. Over the past 200 years, like much of the country’s estuarine environments, the Bay’s watershed has been extensively altered by large-scale development associated with agriculture and urbanization, resulting in floodp...