Counties can act in two ways: a county zoning or stand-alone ordinance, or data center standards in the county subdivision and land development ordinance, which apply wherever a municipality has no ordinance of its own.
Tioga County Ordinance No. 2026-3
Adopted February 10, 2026 · Rated 40 of 104
A stand-alone county data center ordinance applied by 24 municipalities, with a 1,000-foot setback from homes and required closed-loop cooling. The county also publishes a planning FAQ.
Read the ordinance · County FAQ
Susquehanna County Ordinance No. 2026-03
County subdivision and land development standards · Rated 45 of 104
Data center standards added to the county subdivision ordinance, which apply wherever a municipality has no subdivision ordinance of its own, including a 750-foot setback from homes and closed-loop cooling.
Read the ordinance
Mercer County Ordinance No. 2026-003
County subdivision and land development standards · Rated 34 of 104
Data center standards in the county subdivision ordinance, which several Mercer County municipalities rely on.
Read the ordinance
Montour County Zoning Ordinance Amendments
County Ordinances 1-2026 and 2-2026 · Rated 58 of 104
Montour County zoning applies in townships without their own zoning. Its 2026 amendments allow data centers only as a conditional use in the Industrial District, approved by the county Commissioners after a hearing.
Read the amendments
Somerset County Data Center Facilities Planning Ordinance (Draft)
Draft · Rated 39 of 104 as drafted
A countywide draft that would apply in every Somerset County municipality, with a 1,000-foot setback from homes, a 57 dBA noise limit, and required closed-loop cooling.
Read the draft
County Planning Guidance
Delaware, Mifflin, and Lancaster Counties
Delaware County’s land use guidance on impacts and public safety, Mifflin County’s planning and guidance document, and Lancaster County’s review of a township amendment, which shows what a county reviewer looks for.
Delaware County · Mifflin County · Lancaster County review