Aurora City Council Hearing on CyrusOne Data Center Noise and Siting Restrictions
Following months of resident testimony regarding continuous chiller fan hum from the CyrusOne data center campus near Interstate 88, Aurora City Council voted on municipal data center regulations requiring pre development energy, water, and acoustic studies, stricter decibel limits, and city council approval.
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Aurora City Council Hearing on CyrusOne Data Center Noise and Siting Restrictions
Aurora City Council · June 9, 2026
Timestamped Speaker & Testimony Ledger
3 verified timestamped clips extracted chronologically from the closed caption record. Select any clip to play that exact window in the master player or copy a canonical clip link.
Clip 1 · 0:19Douglas City Council Applicant and Economic Development PresentationDeveloper RepresentativeIn supporttranscribed from the official recording
WaterPower & GridZoningTax Abatements
Aurora residents and Aurora City Council members address continuous chiller fan noise from the CyrusOne campus near Interstate 88 and debate decibel limits and mandatory city council approval.
"People who live in a neighborhood behind this Cyrus One data center here day and night. It's near Interstate 88, and those neighbors have been coming to city council meetings for months to get their point across. We hear the sound constantly. I can hear the chiller fans in my yard, in my house. I can hear it in the shower. I hear it all the time. It never goes away. At the meeting tonight, city council was set to give a final vote on restrictions for new data"
Clip 2 · 0:48Douglas City Council Official DeliberationElected OfficialQuestioningtranscribed from the official recording
WaterPower & GridZoningTax Abatements
Aurora residents and Aurora City Council members address continuous chiller fan noise from the CyrusOne campus near Interstate 88 and debate decibel limits and mandatory city council approval.
"noise, and water before development, meet standards for noise, vibrations, and energy, and get city council approval. The thing that's been challenging is getting the right noise level. >> We got some recommendations from some of the residents that the decibel levels on our noise limits were not high or not low enough. City officials say in the last week they brought down the noise level requirements and want generators"
Clip 3 · 1:20Resident public commentResident Public Commenttranscribed from the official recording
Aurora residents and Aurora City Council members address continuous chiller fan noise from the CyrusOne campus near Interstate 88 and debate decibel limits and mandatory city council approval.
"centers must be transparent about their energy, water, and noise usage. Some say these strict limits would deter new businesses. So now we come out, we're all public about oh, we're going to do the strictest regulations on data centers. What What message does that send to anybody else in the area about developing anything in Aurora? While those with Cyrus One data centers say they are already doing a decent job and"
CyrusOne Campus Representatives and Municipal Development PresentationData Center Operator Representatives
Venue:Aurora City Council Expansion Review
"Operator expansion filings for the CyrusOne Aurora campus near Diehl Road and Interstate 88 described enclosed mechanical yards and acoustic screening designed to prevent off site sound impacts on adjacent residential subdivisions."
Aurora City Council Data Center Noise, Vibration, Water, and Conditional Use Ordinance
City of Aurora, Illinois Council Docket · June 2026
Agency or Venue:Aurora City Council (Illinois)
"Following months of resident testimony reporting continuous 24 hour chiller fan hum inside homes bordering the Interstate 88 campus, Aurora City Council enacted municipal data center regulations lowering maximum permissible decibel limits, requiring pre development energy, water, and acoustic studies, and mandating full city council approval."