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 2024 holidays:

New Year’s Day – Mon, Jan 1

President’s Day – Mon, Feb 19

Good Friday – Fri, Mar 29

Memorial Day – Mon, May 27

Independence Day – Thu, Jul 4

Labor Day – Mon, Sep 2

Columbus Day – Mon, Oct 14

Veteran’s Day – Mon, Nov 11

Thanksgiving – Thu, Nov 28

Friday After Thanksgiving – Fri, Nov 29

Christmas Eve – Tue, Dec 24

Christmas Day – Wed, Dec 25

General Contact

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