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
Read MorePrimary Filtration Project, Phase 1, Capital Project No. 2022
IEPA Project No. L17-5882
Primary Filtration Project, Phase 1 – replace existing Primary Clarifiers 3 and 4 with two new Primary Filter units and one gravity thickener tank.
Read MoreThe Rock River Water Reclamation District is now Four Rivers Sanitation Authority!
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 […]
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