Northern California Archives — Environmental Science Associates

April 23, 2025

Introducing ESA’s Permitting Policy Tracker

ESA’s federal strategy and NEPA experts have been staying abreast of the shifts in federal policy since President Trump took office in January 2025 on our blog. The sheer number of executive orders and presidential memoranda creating new policy and rescinding old policy has made this challenging to navigate. To help stay on top of […]

April 2, 2025

WOTUS, POTUS, and SCOTUS: Where Waters of the U.S. Stands Under the New Administration

Anyone who has had to obtain a Clean Water Act Section 404 permit from the U.S. Army Corps of Engineers (Corps) is familiar with waters of the United States, or WOTUS. They want to know “Are there any WOTUS on my site?” and “Do I need a 404 permit?” The quest for answers can be […]

March 3, 2025

ESA Acquires 48 North Solutions, Inc.

ESA is pleased to announce that it has acquired 48 North Solutions, Inc. (48 NORTH). Headquartered in Issaquah, WA, the six-person firm—long recognized for its work in marine and freshwater environments—joins ESA’s Pacific Northwest region. The added expertise this team brings will greatly strengthen ESA’s Fish and Aquatic Sciences practice, and expand service offerings for […]

March 26, 2025

News & Ideas

Introducing ESA’s Permitting Policy Tracker

WOTUS, POTUS, and SCOTUS: Where Waters of the U.S. Stands Under the New Administration

ESA Acquires 48 North Solutions, Inc.

Kari Tsubota

Caleb Riley

Robin Hoffman, RPA

Kelley Sterle, PhD

Eryn Brennan

Katie Dudney

Kathleen Berridge

Valisa Nez

Liesbeth Magna

Matthew Russell, PhD, RPA

Cameron Reyes

Melissa Carter, PE, QSD

Dane Behrens, PhD, PE

Becky Urbano

James Gregory, PE

Lauren Abom

Melissa Logue

Mine Berg, PhD

News & Ideas

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