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Wright County OKs amended road-use agreement for Twin Rivers seismic testing with $110,000 permit fee
Summary
The Wright County Board of Supervisors approved an amendment to a road-use agreement with Twin Rivers Exploration LLC setting a $110,000 permit fee, seismic setbacks and a particle-velocity limit; the board also approved personnel moves, two resolutions and several routine county and drainage payments.
On Aug. 7, 2025, the Wright County Board of Supervisors approved an amendment to the county road-use agreement with Twin Rivers Exploration LLC that sets a $110,000 permit fee and limits where seismic testing may occur, the board reported during a specially called meeting.
The amendment requires that no seismic testing take place within 250 feet of a bridge or within 25 feet of a roadway structure and requires monitoring of structure vibration so peak particle velocity (PPV) does not exceed 0.5 inches per second. Certificates of insurance had been filed with the Wright County engineer before the vote, according to meeting minutes. The motion to approve the amendment passed with Supervisor Lynn Lukes recorded as voting no and Supervisor Ashley Bosch absent; other supervisors voted in favor.
The change matters because the permit fee and setback conditions establish conditions aimed at protecting county roadway and drainage infrastructure while allowing Twin Rivers to…
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