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)

Our offices are closed on the following 2023 holidays:

New Year’s Day – Mon, Jan 2

President’s Day – Mon, Feb 20

Good Friday – Fri, Apr 7

Memorial Day – Mon, May 29

Independence Day – Tue, Jul 4

Labor Day – Mon, Sep 4

Columbus Day – Mon, Oct 9

Veteran’s Day – Friday, Nov 10

Thanksgiving – Thu, Nov 23

Friday After Thanksgiving – Fri, Nov 24

Christmas Eve – Fri, Dec 22

Christmas Day – Mon, Dec 25

General Contact

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