• Groundwater

    GSI's hydrogeologists are experts at finding groundwater, determining the extent and capacity of aquifers, and helping our private and municipal clients to 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

GSI’s Work Featured in New EPA Guidance

GSI’s work, as a subconsultant to Hart Crowser and Oregon Department of Environmental Quality, using amendments for in situ remediation ...

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GSI’s May conference line up

Matt Kohlbecker will be at the 2013 Clean Water and Stormwater Conference in Seattle, WA on May 8 and 9. ...

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GSI’s Experts Share Their Knowledge

GSI will be out in force at the 9th Annual Washington Hydrogeology Symposium coming later this April in Tacoma, Washington. Six of ...

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GSI and Springfield Utility Board staff publish joint article in AWWA OpFlow

Dr. Dennis Nelson of GSI Water Solutions and Amy Chinitz of Springfield Utility Board (SUB) have published an article in ...

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