On September 1, 2024, FRSA updated the annual rate ordinance to reflect the move to monthly billing. All rates remained the same. The amounts were amended to reflect a monthly, rather than a quarterly rate. The average residential customers’ wastewater bill will will average $35.74 monthly, which equates to a quarterly bill of approximately $107.22 […]

Frequently Asked Questions Q: Do you have an interactive map that will allow me to find my address and know exactly when my billing will be adjusted? A:  Yes!  Visit our interactive map: Type in your address, it will zero in on your location.  Simply hover over the address and a message with your billing […]

Aerobic Granular Sludge Project, Phase 1 – replace existing Primary Clarifiers 3 and 4 with two (2) new Primary Filter units (PF1 and PF2) and one (1) gravity thickener tank which includes process piping and valving, plumbing, HVAC, electrical, instrumentation and controls; civil, geotechnical, structural and architectural improvements; and all other necessary appurtenances for a complete, operable system

Primary Filtration Project, Phase 1 – replace existing Primary Clarifiers 3 and 4 with two new Primary Filter units and one gravity thickener tank.

FourRivers.Illinois.gov website coming in October of 2021! Effective immediately, the Rock River Water Reclamation District has adopted a new name and a new brand! We are now the Four Rivers Sanitation Authority (FRSA). Our new name and logo tell the story. Four Rivers Sanitation Authority protects the watershed that feeds into the Rock, Kishwaukee, Pecatonica and Sugar Rivers.  These four rivers […]