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Muscatine County supervisors ask zoning staff to review ordinances on potential data center siting, water and energy impacts
Summary
Board members asked county staff to send potential data-center concerns to the zoning commission for a focused review of ordinance language around land use, cooling systems, water sourcing and infrastructure impacts, and to recommend whether guardrails or consultant support are needed.
Board members told staff they have received multiple inquiries from potential data-center developers and residents and requested a targeted review by the county zoning commission of the existing ordinance language that would govern siting and operations.
Supervisors said the zoning review should focus on where data centers could be sited (industrial versus other zones), whether annexation into cities would be pursued, water use and cooling systems (closed-loop vs. once-through), potential effects on the county’s aquifer and river sources, and energy supply and local rate impacts. Several board members recommended giving the zoning commission clear scope and limits for the study to avoid an open-ended, months-long analysis and suggested the county consider outside consultants if needed for technical expertise on water and cooling systems.
Board members noted limitations to county authority — for example, the Department of Natural Resources (DNR) controls well permits and water discharge — but said local zoning can impose certain conditions (noise, screening, permitted zones) while coordinating with state regulators on areas beyond county jurisdiction.
The board asked staff to take the matter to the zoning commission with guidance on specific topics to review and to return with recommended changes or further steps for supervisors to consider.
