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Commission approves Mount Nord concept plan with traffic study, wildlife protections and Tetonia review
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Summary
PNZ approved the Mount Nord concept plan (15 lots on ~40 acres) with conditions that include a traffic impact study, incorporation of prior wildlife habitat mapping into building envelopes for lots 13–15, a 2.5‑acre minimum lot size, and coordination with Tetonia for area‑of‑impact review.
The Planning & Zoning Commission approved the concept plan for the Mount Nord subdivision, attaching conditions intended to address traffic, wildlife habitat and interjurisdictional review.
Staff said the applicants submitted a wildlife habitat assessment and an early nutrient‑pathogen (NP) study that DEQ has asked be refined; staff noted the NP study typically is reviewed more closely at preliminary plat but shared DEQ’s feedback. Public works recommended a traffic impact analysis; commissioners debated whether the study should be focused on the project's immediate contribution to the intersection at 5000 South and Highway 33 or be broader and cumulative.
Applicant representatives (developer Colin Hunter and planner Bridal Kramer) said they had considered clustering and open‑space preservation and were prepared to refine studies and provide data at preliminary plat. Public commenters raised concerns about cumulative traffic, sight‑distance and infrastructure capacity on local roads; a neighbor asked the commission to consider the cumulative effect of multiple small subdivisions.
Commissioners approved the concept plan with conditions that included: requiring a traffic impact study (focused on the subdivision’s incremental impact and intersection safety), incorporating the Biota/Flag Ranch wildlife habitat mapping into revised lot‑envelope placement (particularly for lots 13–15) to avoid mapped movement corridors, maintaining a 2.5‑acre minimum lot size, and coordinating Tetonia impact‑area review before the BOCC hearing. The motion passed by recorded vote with one commissioner dissenting.
What happens next: The applicant will complete the requested traffic and groundwater/nutrient studies and revise building envelopes per the wildlife mapping; the PNZ recommendation will be forwarded to the Board of County Commissioners for further review.
