Confluence Environmental Company

Confluence Environmental Company delivers a variety of environmental, infrastructure, and development projects.

We offer services in environmental science, project management, and regulatory strategy and compliance. Our team includes fish and wetland scientists, built and natural environment planners, regulatory and permitting specialists, and GIS and remote sensing experts. We ensure that each project is staffed with an outstanding team that can successfully deliver strategic solutions. Read more about our services here.

Our mission: To improve our community through effective and efficient solutions to our clients’ complex needs, while fostering a positive work place of innovation and opportunity.


January – Confluence is hiring a project-level biologist/ecologist/planner. See our Jobs page for details!

Congratulations to Kerrie McArthur! Kerrie was recently promoted to Managing Senior Biologist, well-earned for her technical expertise on a wide variety of subjects and the high level of service she provides to her clients. Well done, Kerrie!


December 2021 – At Confluence, staff are like family, and we are all grateful for the camaraderie and inspiring work we get to do every day in the beautiful Pacific Northwest and beyond. As is our custom this time of year, Confluence is contributing to 22 nonprofits that enhance our community. The following organizations were selected by our employees:
ArtsFund, Ballard Food Bank, Bellingham Symphony Orchestra, Boys & Girls Club of Whatcom County, Duwamish River Cleanup Coalition, Evergreen Mountain Bike Alliance, Friends of the Issaquah Salmon Hatchery, Hero House NW, Mary’s Place, Mid Sound Fisheries Enhancement Group, Old Dog Haven, Puget Sound Restoration Fund, Rocky Mountain Elk Foundation, Salish Sea Expeditions, Seattle Aquarium, Seattle Children’s Hospital, Seattle Children’s PlayGarden, SHADOW Lake Nature Preserve, Solid Ground, Washington Trails Association, Washington Trails Association – Trails for Everyone, Youth Eastside Services.

Best wishes to you and yours for a healthy and happy holiday season!

July – Congratulations to Marlene Meaders and Grant Novak for their promotions to Principal-level staff, reflecting their exceptional service to clients and excellent technical skills. Similarly, Kelly McDonald was promoted to Project II. Kelly joined Confluence as a Staff Scientist in October 2018 and quickly moved through Project I to Project II, a testament to her thoughtful and high-quality work. To read more about Marlene, Grant, and Kelly, click on their photos on Our Staff page.

March – Congratulations to the State of Louisiana for reaching a major milestone with publication of the Draft Environmental Impact Statement and Restoration Plan for the Mid-Barataria Sediment Diversion. The MBSD is one of the most significant ecosystem restoration projects ever conceived, and will help Coastal Louisiana create and preserve wetlands. Kudos to the state leadership and Coastal Protection and Restoration Authority for guiding this project. Confluence is honored to be part of the project team that contributed to both reports.