Jonathan Turk, LG, LHG

Jonathan Turk is a Principal Hydrogeologist based in Washington with more than 20 years of experience focusing on water resources, water supply, long-range planning, and climate response.

Jonathan Turk is a Principal Hydrogeologist based in Washington with more than 20 years of experience focusing on water resources, water supply, long-range planning, and climate response.

Water and wastewater utilities and irrigators, along with municipal, state, and tribal agencies, rely on Jon to deliver technical, regulatory, and legislative consultation for water systems and regional water supply planning, reclaimed water, aquifer storage and recovery, climate resiliency planning, and One Water programs. Jon assesses and manages surface water–groundwater interactions and plans and manages systems that balance source water supplies and water quality. He helps clients break down the most challenging problems, achieve broad systems knowledge, navigate planning and regulatory initiatives, and guide their data-driven decision-making.

Public-utility, agricultural, and private-industry clients in the US and internationally turn to Jon for well-field management consulting and hydrogeologic-system design services; his work includes completion of traditional vertical water-supply wells, bank filtration systems, aquifer recharge and aquifer storage and recovery (ASR) systems management, and deep injection wells for effluent disposal. These clients have also benefited from Jon’s approach to siting, designing, and managing large regional groundwater supplies, an approach that focuses on optimizing system performance, prolonging infrastructure lifecycles, reducing maintenance costs, and minimizing environmental impacts.

Jon’s expertise has helped guide regulatory innovations, inform legislative reports, and craft regional and transboundary water resources solutions, including regional long-range planning and climate response solutions, guidance documents, and standard specifications for groundwater supply infrastructure construction. He contributes to the greater industry conversation by regularly participating in conferences and committees such as American Water Works Association, American Water Resources Association, and WateReuse. He is secretary of the Washington/Oregon chapter of the American Institute of Professional Geologists, where he helps advance industry governance and professional certification processes.

Contact Jon at This email address is being protected from spambots. You need JavaScript enabled to view it.

Career Summary of Jonathan Turk, LG, LHG

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    Jonathan Turk is a Principal Hydrogeologist based in Washington with more than 20 years of experience focusing on water resources, water supply, long-range planning, and climate response.


    Water and wastewater utilities and irrigators, along with municipal, state, and tribal agencies, rely on Jon to deliver technical, regulatory, and legislative consultation for water systems and regional water supply planning, reclaimed water, aquifer storage and recovery, climate resiliency planning, and One Water programs. Jon assesses and manages surface water–groundwater interactions and plans and manages systems that balance source water supplies and water quality. He helps clients break down the most challenging problems, achieve broad systems knowledge, navigate planning and regulatory initiatives, and guide their data-driven decision-making.

    Public-utility, agricultural, and private-industry clients in the US and internationally turn to Jon for well-field management consulting and hydrogeologic-system design services; his work includes completion of traditional vertical water-supply wells, bank filtration systems, aquifer recharge and aquifer storage and recovery (ASR) systems management, and deep injection wells for effluent disposal. These clients have also benefited from Jon’s approach to siting, designing, and managing large regional groundwater supplies, an approach that focuses on optimizing system performance, prolonging infrastructure lifecycles, reducing maintenance costs, and minimizing environmental impacts.

    Jon’s expertise has helped guide regulatory innovations, inform legislative reports, and craft regional and transboundary water resources solutions, including regional long-range planning and climate response solutions, guidance documents, and standard specifications for groundwater supply infrastructure construction. He contributes to the greater industry conversation by regularly participating in conferences and committees such as American Water Works Association, American Water Resources Association, and WateReuse. He is secretary of the Washington/Oregon chapter of the American Institute of Professional Geologists, where he helps advance industry governance and professional certification processes.

    Contact Jon at This email address is being protected from spambots. You need JavaScript enabled to view it.

  • Specialties: Regional water supply planning; Siting, design, and construction of groundwater supply systems; Hydrogeologic and groundwater modeling, data analytics, and visualization; Aquifer recharge and ASR systems; Well-field management; Surface water–groundwater interactions and conjunctive management
  • Practice Areas: Water and Natural Resources, Water Management, Geotechnical and Geoenvironmental Engineering, Waste Management, Environmental, Social, and Governance
  • Disciplines: Hydrogeology
  • Education: 2003, Coursework in Hydrogeology, Wright State University; 2001, BS, Geology, University of Dayton

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