

Protect your water supply with professional backflow prevention and cross-connection services. 5 Star Mechanical LLC provides certified backflow testing, inspections, repairs, and installations for residential and commercial properties throughout Bloomington, Normal, and Central Illinois. Our experienced technicians help keep your water system safe, compliant, and protected from contamination.
Regular backflow testing helps ensure your prevention devices are working properly and meeting local requirements. We perform certified inspections and testing to protect your drinking water and maintain compliance.
Cross connections can allow contaminated water to enter your clean water supply if left unprotected. We identify potential hazards, provide certified testing, and implement reliable backflow prevention solutions to keep your system safe.
Whether you need a new backflow prevention device installed or an existing one repaired, our experienced technicians deliver dependable workmanship and long-lasting protection. We help ensure your water system remains secure and compliant with current regulations.



★★★★★
Bloomington
Normal
Champaign
Urbana
Decatur
Peoria
Springfield
Lincoln
Pontiac
Pekin

Normal Business Hours: Mon-Friday 7:30am to 5:00pm
Emergency Hours- 24/7, 365 Days a Year
© 2026. 5 Star Mechanical. All Rights Reserved.