• Groundwater

    GSI's hydrogeologists are experts at finding groundwater, determining the extent and capacity of aquifers, and helping our clients in Oregon, Washington, and California develop this valuable resource. GSI specializes in aquifer storage and recovery (ASR), an innovative technology that uses the natural storage capacity of an aquifer to store treated water underground.

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  • Environmental

    GSI's technical expertise, experience, and excellent relationships with regulatory agencies help our clients to effectively address their environmental challenges. GSI has a wide variety of environmental project management and permitting experience, including working on several Superfund sites involving contaminated soil and groundwater.

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  • Water Rights

    GSI's experts understand the complexities of water rights and have experience working with multiple state agencies, attorneys, and other organizations involved in water rights issues. We help our clients develop water rights management strategies to address their water needs.

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Latest News

Tree planting in the Johnson Creek Watershed

Two members of GSI’s Green Team—Andrew Davidson and Libby Smith—planted trees on a rainy and very muddy March weekend along the Errol Creek ...

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Snow day in PDX!

Portland got hit with an unexpected and very unusual foot of snow overnight–but that didn’t stop our newest employee, Rodrigo ...

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See you at Battelle!

Are you headed to the 2017 Battelle Conference on Remediation and Management of Contaminated Sediments in New Orleans next week? We ...

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GSI at the Battelle Sediments Conference

In January, GSI will be well represented at the 2017 Battelle Conference on Remediation and Management of Contaminated Sediments in New ...

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