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Resident urges commissioners to require turn lanes and probe water supply for proposed Trumbull Creek subdivision

Flathead County Board of Commissioners · January 6, 2026
AI-Generated Content: All content on this page was generated by AI to highlight key points from the meeting. For complete details and context, we recommend watching the full video. so we can fix them.

Summary

A Trumbull Creek Road resident told commissioners a proposed 27-home subdivision would nearly double housing on her mile-long road, cited three fatal crashes at the Highway 40 intersection and questioned whether the developer's two wells (reported at ~110—5 gpm) can support the project; she asked the board to require turn lanes and consider groundwater impacts.

Lynette Cupp, who identified herself as a Trumbull Creek Road resident, urged Flathead County commissioners to reassess a recently approved zoning and planning-board recommendation for a 27-home subdivision proposed by a developer identified in planning materials as McDonald.

"We currently have 38 homes on our road," Cupp said, and the proposed project would nearly double that number on a one-mile stretch. She cited a traffic study predicting an additional 245 daily trips that would bring the roadlevel daily trips to roughly 760, which she said would exacerbate existing congestion and safety risks at the Trumbull Creek/Highway 40 intersection.

Cupp told commissioners she had spoken with a developer about the planned shared community well and reported that the drilled wells produced roughly 110 and 115 gallons per minute, noting that a well serving 27 homes is often expected to produce far higher yields. "The thing that concerns me the most is that our access to Highway 40 is already very difficult," she said, describing three fatalities and a visible burn mark from a prior crash.

Cupp asked the commission to require the developer to construct turning lanes onto Highway 40 and to take traffic and groundwater impacts into account before allowing additional building permits to proceed.

County staff and the chair noted that public comment is recorded and that written comments could be submitted to planning staff to become part of the record. Cupp said she had already read the planning studies and spoken with neighbors who shared her concerns about groundwater and safety.

What happens next: the chair advised that comments be emailed to the planning department so they become part of the formal record; no immediate policy action or conditional vote was taken during the public-comment period.