Contact

We’re looking forward to hearing from you! Use the form or phone numbers below to get in touch with a Four Rivers team member.

If you need to contact FRSA about lab analysis services, visit our Lab Services page.

If you need to contact a specific department within FRSA, visit our Departments page.

Graceffa Administration Building
3501 Kishwaukee Street
Rockford, IL 61109

Wastewater Treatment Plant
3333 Kishwaukee Street
Rockford, IL 61109

Main Phone Number
815-387-7400

Sewer Backup Number
(24 hours per day)
815-387-7600

Sewer Toxic Spill Number
(24 hours per day)
815-387-7455

Business Hours
Monday – Friday
8:00 A.M. – 4:30 P.M. (Except Holidays)

Drive-Up Payment Window
Monday – Friday
8:30 A.M. – 4:30 P.M. (Except Holidays)

Columbus Day: Monday, October 10, 2022

Veteran’s Day: Friday November 11, 2022

Thanksgiving Holiday: Thursday November 24, 2022

Friday After Thanksgiving: Friday November 25, 2022

Christmas Eve: Friday, December 23, 2022

Christmas Day: Monday, December 26, 2022

New Year’s Day: Friday, December 30, 2022

President’s Day: Monday, February 20, 2023

Good Friday: Friday, April 7, 2023