James City County adopts data‑center policy, board adds 1,000‑foot residential buffer
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Summary
The Board of Supervisors adopted a county policy to guide siting and mitigation of data centers after debating noise, water and power impacts; an amendment raised the distance from occupied residences to 1,000 feet. Staff will provide mapping and the policy remains subject to site‑specific SUP review.
James City County’s Board of Supervisors voted Nov. 18 to adopt a policy that sets guidelines for siting data‑center facilities and requires studies and mitigation for ancillary equipment, including backup generators.
The policy originally recommended a 400‑foot minimum distance from occupied residences. After several supervisors cited Loudoun County’s experience and resident concerns about noise and long‑term impacts, the board amended the policy to increase the residential buffer to 1,000 feet before approving the resolution.
Consultant and staff presentations explained the policy’s intent: to require applicants to assess ambient nighttime noise between 11 p.m. and 7 a.m., to include maximum sound limits for generators and other ancillary equipment, and to prefer sites within the county’s primary service area where water and power are more readily available. Christy Parish, the staff presenter, said the policy was drafted to give the board clearer criteria while preserving discretion to approve exceptions through a special use permit if an applicant can demonstrate appropriate mitigation.
Several supervisors emphasized tradeoffs between siting near infrastructure and protecting residential neighborhoods. One supervisor noted closed‑loop liquid cooling can reduce water withdrawals but still requires occasional replenishment. Multiple supervisors requested staff prepare maps showing 400‑ and 1,000‑foot radii around zoned M‑2 properties to assess how the buffer affects potential locations.
Public comment from Grove residents and civic groups preceded final action: speakers from Grove described industrial clustering in their neighborhood and urged strict permitting and distance protections. Board members also discussed possible ways to ensure data‑center contributions support nearby infrastructure, but agreed revenue allocation was a site‑specific question for future proposals rather than language inserted into the county policy.
The board’s amendment to a 1,000‑foot buffer passed on a roll call and the board then approved the amended policy. Staff said they will provide the requested maps and continue to require special use permits for data centers, where project‑level review will examine site‑specific mitigation.
The board’s action is a policy decision that sets expectations for applicants; it does not authorize any specific project. Applicants seeking to build a data center will still need to apply for a special use permit and meet the county’s permitting requirements.
