Consultants present feasibility study for Lower Willow Creek managed aquifer recharge project

Nov 10, 2025

GSI Water Solutions presented a feasibility study funded by an OWRD grant with a 50% match from Morrow and Gilliam counties evaluating managed aquifer recharge (MAR) in the Lower Willow Creek basin to extend the irrigation season; consultants said Willow Creek often runs effectively dry from mid-June through September.

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Matt Thomas of GSI Water Solutions presented the results of a Lower Willow Creek managed aquifer recharge (MAR) feasibility study to the Morrow County Board of Commissioners. The study, funded by an Oregon Water Resources Department (OWRD) feasibility grant with a 50% match from Morrow and Gilliam counties, assessed whether a MAR project in the Lower Willow Creek basin could avoid fatal flaws and meaningfully extend the irrigation season for surface-water users.

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