City of Lancaster
Anti-Data Center Policies
Lancaster city’s enacted ordinance limits data centers to special-exception approval in SM zones and requires detailed plans, large buffers, emissions testing, and decommissioning security.
current law · City of LancasterThis ordinance amends Lancaster City’s zoning code to recognize computer data centers as a specially regulated use and permits them by special exception in designated manufacturing districts.Pennsylvania Lancaster City Ordinance No. 07-2026 (2026)
What this means
The measure would limit data centers to special-exception approval in SM zones, excluding other listed zones. It would also require detailed plans, large setbacks and buffers, emissions testing, and financial security for decommissioning, creating significant hurdles to building and operating a facility.
People behind it
- Lancaster City Council
Introduced and adopted Administrative Ordinance No. 07-2026.
- City of Lancaster Administration
Identified as the administration associated with Administration Bill No. 10-2025, the bill underlying the ordinance.
Restrictions & requirementsHide restrictions & requirements24
Data centers are allowed as a special exception only in SM zoning districts; they are not listed as allowed uses in the MU, CB1, CB, C3, or CM districts. allowed as special exceptions in the SM zones
An applicant must submit a pre-construction Noise Mitigation Plan with the zoning application, prepared and certified by a professional acoustical engineer, and the City may require supplemental or amended plans before zoning approval. A Pre-construction Noise Mitigation Plan shall be submitted with the zoning application
A post-construction noise study must be submitted within 12 months after the certificate of occupancy is issued. within twelve (12) months of issuance of the Certificate of Occupancy
Noise disturbance at adjoining property lines may not exceed pre-construction ambient noise levels, and emergency-generator testing and routine maintenance are limited to daytime hours and prohibited on Sundays and federal holidays. There shall be no 'noise disturbance' and during daytime hours and not on Sundays or federal holidays
Backup generators must meet EPA Tier 4 emissions standards or an equivalent standard, and the operator must perform annual air-quality testing and submit reports within 90 days after each calendar year. EPA Tier 4 emissions standards, or equivalent and within 90 days of the conclusion of each calendar year
Data centers must make good-faith efforts to maximize renewable or clean energy use for electricity and cooling, demonstrated through on-site generation, verifiable power-purchase agreements, or both. maximize use of renewable and/or clean energy
An Energy Management Plan, certified by a professional engineer, must accompany the zoning application and detail electricity demand, energy sources, storage capacity if applicable, and clean-energy efforts; the City may require revisions before approval. An Energy Management Plan shall be submitted with the zoning application
A professional-engineer-certified Water Utilization Report must accompany the zoning application and disclose water intake, sources, discharges, destinations, cooling-system type and efficiency, and stormwater compliance; the City may require supplemental or amended reports before approval. A Water Utilization Report shall be submitted with the zoning application
An Electronic Waste Plan and a Decommissioning Plan must be submitted with the zoning application, covering removal, recycling or disposal of equipment and hazardous materials, shutdown, site restoration, and related procedures. An Electronic Waste Plan shall be submitted with the zoning application and A Decommissioning Plan shall be submitted with the zoning application
Owners must notify the City within 30 days after cessation or abandonment and provide financial security, in a City-approved form and amount, when the construction permit is issued to fund dismantling and removal. notify the City within 30 days upon cessation or abandonment and provide financial security
Decommissioning must begin within one year after operations cease or abandonment is noticed, whichever comes first, and must be completed within 24 months thereafter. The City may grant one additional year for active marketing of the site and may extend the completion period for good cause. Decommissioning shall begin within one (1) year and shall be completed within 24 months thereafter
A professional-engineer-certified Thermal Impact Mitigation Plan must accompany the zoning application and address waste-heat reuse or dissipation and vegetative, green-roof, or site-design measures; the City may require revisions before approval. A Thermal Impact Mitigation Plan shall be submitted with the zoning application
Data centers are prohibited in any 100-year or 500-year floodplain shown on the most recent FEMA Flood Insurance Rate Maps for the City. No data center shall be located within any 100-year or 500-year floodplain
Data-center buildings must be at least 200 feet from residential or community properties and residential or PO districts; ground-mounted cooling, ventilation, heat, or power equipment must be at least 300 feet away. set back a minimum of 200 feet and set%20back%20a%20minimum%20of%20300%20feet
Every data-center site must be enclosed by an eight- to ten-foot perimeter fence; barbed wire and razor wire are prohibited. completely enclosed by a perimeter fence and shall be a minimum of eight (8) feet in height and shall not exceed ten (10) feet
Buffer yards are required along property boundaries, including a 100-foot buffer along public-street frontage and boundaries adjoining residential or community uses or residential or PO districts, and a 50-foot buffer next to nonresidential uses or zones. A minimum 100-foot-wide buffer yard and A minimum 50-foot-wide buffer yard
Buffer yards must use specified native, non-invasive landscaping, including required numbers and minimum sizes of evergreen trees, canopy trees, ornamental trees, and shrubs, with a professional landscape architect's holistic landscape plan. Buffer plantings shall consist of native, non-invasive species
Cooling, ventilation, generator, substation, and other operating equipment must be screened; ground-mounted equipment generally must be enclosed or screened by a visually solid, noise-absorbing barrier at least 12 feet high, and rooftop equipment must be screened on all four sides. Minimum visual screening height shall be twelve (12) feet
A detailed Emergency Response Plan must accompany the zoning application and address flood, fire, explosion, catastrophic weather, fire suppression, evacuation, access roads, hydrants, and annual fire inspections; the City may require revisions before approval. A detailed Emergency Response Plan shall be submitted with the zoning application
Battery storage systems must meet fire-suppression standards, be UL-certified, and follow hazardous-material handling protocols. Battery storage systems must meet fire suppression standards, be UL-certified
The developer must hold a public informational meeting before the application is reviewed by the Zoning Hearing Board or Planning Commission, publicize it, and have knowledgeable project representatives attend. prior to any Zoning Hearing Board or Planning Commission review
Data-center parking is calculated by employees rather than gross floor area, at one space per three employees, plus five visitor spaces; applicants are also directed to minimize unnecessary parking and impervious surfaces. parking solely based on the number of employees and not upon gross floor area, plus five (5) spaces for visitors
The ordinance takes effect 20 days after adoption, creating a waiting period before its new restrictions apply. This Ordinance shall become effective twenty days after its adoption
The new restrictions do not apply to a data center that submitted a complete City permit or required land-development application before June 24, 2026; such a project remains permitted in CM and SM districts under the zoning ordinance in effect on that date. made a complete application for City permits or for land development approval
Benefits & exceptionsHide benefits & exceptions4
Data centers are expressly recognized as a land use and may be approved by special exception in SM zones, providing a defined zoning pathway for development. The use is not allowed in the listed MU, CB1, CB, C3, or CM zones under the new table.
Data centers with a complete city-permit or required land-development application submitted before June 24, 2026, remain permitted uses in both CM and SM districts and are governed by the zoning ordinance in effect on June 24, 2026. This protects qualifying projects from the new restrictions.
Data-center parking is calculated solely from the number of employees on duty, rather than the building's gross floor area, with five additional visitor spaces. This can reduce parking obligations for facilities with large buildings and relatively few employees.
The energy rule requires only good-faith efforts to maximize renewable or clean energy use, demonstrated through onsite generation, verifiable power-purchase agreements, or a combination, rather than requiring a specified percentage of renewable energy.
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