Calvert County adopts initial rules for prospective data centers, including closed‑loop cooling and well ban
Jan 28, 2026
After a presentation from a Mecklenburg County official on the local economic effects of data‑center campuses, Calvert commissioners voted to require closed‑loop cooling, ban drilling wells for cooling, mandate roof‑runoff capture and require developers to pay infrastructure costs; staff will draft a zoning text amendment and hold a work session.
The full story
Calvert County commissioners voted to direct staff to begin drafting zoning language that would require closed‑loop cooling systems, ban drilling of wells for cooling, mandate capture of roof runoff for cooling reuse, and require data‑center applicants to pay related infrastructure costs. Commissioner Hans made the motion and the board agreed to schedule a work session and pursue a text amendment to give the rules legal force.
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