Data Centers & Crypto Mining in McLean County, IL (2026)

2 rules for unincorporated McLean County, Illinois.

Verified from official government sources

Note: These county rules apply to unincorporated areas of McLean County. If you live within an incorporated city, that city's own rules apply: see the city list below.

Data Center Zoning & Siting

Any data center built in unincorporated McLean County must satisfy the siting standards written into the zoning code's data center use conditions at § 350-43FFF. The rules require a landscaping screen wherever the facility is visible within 500 feet of an existing dwelling, plus a road use agreement and utility and emergency-plan disclosures before construction proceeds.

McLean County Data Center Siting Standards

Some Restrictions

McLean County Code § 350-43FFF(1)

Data center. Shall comply with the following: ... A landscaping screen shall be provided for any part of the data center that is visible to and located within 500 feet of an existing dwelling. The screening shall include a continuous line of native evergreen foliage, and/or native shrubs, and/or native trees, and/or any existing wooded area. The screening shall be maintained for the duration of...

Full ordinance details →Official source ↗

Data Center Noise Limits

Data centers in unincorporated McLean County must meet noise limits set by the Illinois Pollution Control Board, not a county-specific decibel table. Section 350-43FFF(8) folds the state's IPCB noise regulations directly into the zoning code's data center use standards, and violations are enforced the same way any other zoning breach is.

McLean County Data Center Noise Standard

Some Restrictions

McLean County Code § 350-43FFF(8)

The data center shall comply with noise limits established by the Illinois Pollution Control Board.

Full ordinance details →Official source ↗

All McLean County ordinances

See every category we cover for McLean County: parking, noise, fences, fires, animals, pools, and more.

McLean County Ordinance Hub →