Park County commissioners approve Yellowstone Reserve commercial subdivision with mitigation conditions

Park County commissioners on June 3 approved the Yellowstone Reserve Major Commercial subdivision, a 12‑lot commercial subdivision near Interstate 90, after accepting an applicant preference for mitigation that county staff and the planning board had said addressed the project’s key impacts.

The commissioners’ approval incorporates covenant language restricting permitted and prohibited uses, requires on‑site water meters with annual reporting to the Department of Natural Resources and Conservation, requires stormwater controls and a centrally engineered fire water system, and leaves final DEQ (Department of Environmental Quality) and DNRC approvals as conditions of final plat.

The vote closes a contentious review that began with a staff report recommending denial and a planning board recommendation for denial. Many residents raised concerns about groundwater contamination from septic systems, flood risk tied to the 2022 event, fire‑suppression capacity for commercial uses served by exempt wells, and the lack of county commercial zoning. The applicant and project engineers responded with technical plans and a detailed set of covenants, and the commission concluded those measures mitigate the impacts identified in the reviews.

County planning staff described the process for major commercial subdivisions — preliminary plat, sufficiency review, staff report, planning board recommendation and a commissioner hearing — and said the applicant’s mitigation arrived after the planning board meeting and was posted for the public before the June 3 hearing. Planning staff noted they initially recommended denial based on impacts to groundwater and the natural…