Commissioners debate Simplot proposal and county industrial zoning amid neighborhood opposition
December 22, 2025 | Jefferson County, Idaho
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A proposed Simplot project prompted an extended review and public concern during the Jefferson County commissioners’ meeting.
Planning staff reported they sent Simplot a letter identifying deficiencies in the application and said the county needs more technical studies—traffic analyses, environmental impact information and other conditional‑use data—before the application can proceed. Staff also told commissioners that landowners had informed the county they withdrew from a proposed deal, although Simplot had not directly confirmed withdrawal to county staff.
Milton of Planning & Zoning told the board that the application ‘‘showed all of the deficiencies’’ and that technical studies would be needed to support a conditional‑use permit. Commissioners and staff described a neighborhood meeting that drew more than 100 residents who opposed the proposal.
Commissioners used the discussion to note a broader planning issue: the county has a limited supply of industrially and commercially zoned land, and officials discussed directing large, potentially controversial projects to existing industrial areas (for example, Trellis or parcels near I‑15 and Palisades) rather than in or adjacent to residential communities.
The discussion produced no formal decision on the Simplot application at the meeting; planning staff said the application will remain under review and that further technical information would be required before any hearing or vote.
"We sent them a letter that showed all of the deficiencies in their application," Milton said, explaining why the county asked for more studies. Commissioners emphasized the need to match large industrial uses to appropriately zoned areas and to revisit the comprehensive plan to identify suitable industrial sites.
Next steps: Planning & Zoning will wait for supplemental studies and any formal resubmission; the board signaled interest in reevaluating county industrial zoning to provide clearer locations for large employers.
Planning staff reported they sent Simplot a letter identifying deficiencies in the application and said the county needs more technical studies—traffic analyses, environmental impact information and other conditional‑use data—before the application can proceed. Staff also told commissioners that landowners had informed the county they withdrew from a proposed deal, although Simplot had not directly confirmed withdrawal to county staff.
Milton of Planning & Zoning told the board that the application ‘‘showed all of the deficiencies’’ and that technical studies would be needed to support a conditional‑use permit. Commissioners and staff described a neighborhood meeting that drew more than 100 residents who opposed the proposal.
Commissioners used the discussion to note a broader planning issue: the county has a limited supply of industrially and commercially zoned land, and officials discussed directing large, potentially controversial projects to existing industrial areas (for example, Trellis or parcels near I‑15 and Palisades) rather than in or adjacent to residential communities.
The discussion produced no formal decision on the Simplot application at the meeting; planning staff said the application will remain under review and that further technical information would be required before any hearing or vote.
"We sent them a letter that showed all of the deficiencies in their application," Milton said, explaining why the county asked for more studies. Commissioners emphasized the need to match large industrial uses to appropriately zoned areas and to revisit the comprehensive plan to identify suitable industrial sites.
Next steps: Planning & Zoning will wait for supplemental studies and any formal resubmission; the board signaled interest in reevaluating county industrial zoning to provide clearer locations for large employers.
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