
At ERSM LLC, we partner with Tribal governments and conservation non-profits across Washington and Oregon to support land stewardship, ecological resilience, and culturally significant landscapes. With decades of environmental services experience and deep regional knowledge, we deliver science-based, mission-driven solutions tailored to community priorities.

We help protect native ecosystems and culturally important habitats from invasive plant species that threaten biodiversity and water quality.
Our services include:
Together, we strengthen habitat health across tribal lands, estuaries, prairies, riparian zones, and other sensitive environments.
Restoration is central to our work. We implement projects that reflect local ecology, regulatory requirements, and community values.
Restoration services include:
Our GIS capabilities support planning, implementation, and transparent communication.
Services include:
Navigating environmental regulations can be complex. ERSM simplifies the permitting process so you can stay focused on your mission.
We support:
