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Summit Water Resources offers Pacific Northwest water resource expertise built on proven experience.

Technical Expertise

Summit Water Resources helps clients navigate complex groundwater, water supply, and water rights challenges throughout the Pacific Northwest. Our expertise includes aquifer storage and recovery (ASR), water supply planning, and strategic water rights management.

Committed to our Clients

Founded by industry experts with more than 100 years of combined experience, we provide practical, science-based solutions for municipal, agricultural, and industrial clients.

2002

Year Founded

100+

Years Combined Experience

10+

Employees

1

Office

Expertise

Services

Civil Engineering ›› Construction Support ›› Environmental ›› Geology ›› Geotechnical Engineering ›› Heap Leach Injection ›› Hydrogeology/ Hydrology ›› Soil Laboratory ››

Markets

Solid Waste ›› Mining ›› Environmental ›› Water ›› Infrastructure ›› Expert Services ›› Carbon Management ››

Featured Services

We develop science-based strategies that help clients secure reliable water supplies, manage water rights, and protect groundwater resources.

Groundwater supply
Aquifer storage and recovery
Water supply planning
Strategic water right management

Leaders

Jason Melady, RG, CWRE ›› Summit Water Resources Operations Manager 503-967-7050 ›› email ››

Staff

Principal Hydrogeologist and
Water Resources Consultant

Ted Ressler, RG, CWRE, PG ››

Senior Hydrogeologist

DeEtta Fosbury, RG ››

Senior Hydrogeologist and
Water Resources Engineer

Ryan Dougherty, PE, RG, CWRE ››

Project Hydrogeologist

Ellen Svadlenak, LG ››

Project Hydrogeologist

Darby Scanlon, LG, RG, PG ››

Water Resources Consultant

Austin Patch, GIT ››

Staff Hydrogeologist

Nicholas Rudolph, GIT ››

Featured Projects

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Summit was able to develop planning level capital and O&M costs for the ASR offset. We have produced an innovative approach of using ASR as a water management tool by storing cold (

Hillsboro, OR

Water Resources Planning for Clean Water Services

GLA wholly owned subsidiary Summit Water Resources provided an innovative solution to use Aquifer Storage and Recovery (ASR) as a water management tool to enhance streamflows, mitigate thermal impacts, and restore aquatic habitats. Additionally, we’ve assisted CWS to identify actions to manage a large water rights portfolio within the Tualatin Basin.

Columbia Basin, WA

Geologic Carbon Sequestration: Siting and Feasibility in Basalt Aquifers

GLA assisted the Carbon Containment Lab in exploring the potential for geologic sequestration of carbon dioxide in the Columbia River Basalt Group by identifying locations where a new source water well can be developed in close proximity to a carbon dioxide injection site.

All Projects

Featured News

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American Water Works Association Pacific Northwest Section 2026 conference

We’re excited to join water industry partners, leaders, utilities, and municipalities at the American Water Works Association Pacific Northwest Section (PNWS-AWWA) 2026 conference, the region’s largest gathering of drinking water professionals, on May 6 to 8, 2026 in Tacoma, Washington. DeEtta Fosbury, RG, will co-present “Impacts of Siting Water Infrastructure in Flood-Prone Areas, A Case […]

Pacific Northwest Section of the American Water Works Association (AWWA) 2026 Conference

Advancing Geologic Carbon Sequestration in the Pacific Northwest

Ellen Svadlenak, LG, Project Hydrogeologist, will be moderating the panel “Advancing Geologic Carbon Sequestration in the Pacific Northwest for Carbon Capture and Removal.”

carbon capture and storage CCS CCUS

American Water Works Association Pacific Northwest Section 2026 conference

Our team is excited to join water industry partners, leaders, utilities, and municipalities at the American Water Works Association Pacific Northwest Section (PNWS-AWWA) 2026 conference, the region’s largest gathering of drinking water professionals, on May 6 to 8, 2026 in Tacoma, Washington. DeEtta Fosbury, RG, will co-present “Impacts of Siting Water Infrastructure in Flood-Prone Areas, A Case Study […]

All News

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