Is ALLIANT ENERGY & WP&L ROCK RIVER Water Safe to Drink in 2026?
Wisconsin · PWSID WI1540141 · Ground water
Population served
45
Cities served
BELOIT
State / jurisdiction
Wisconsin (WI)
PWSID
WI1540141
D
TAP WATER GRADE
Poor
Model score 49/88 from violations, PFAS profile, and monitoring signals — not a laboratory test of your faucet.
8 violation record(s) in the latest EPA SDWA quarterly snapshot
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CONTAMINANTS — EPA UCMR5 MONITORING
No UCMR5 PFAS detects on file for this PWS in our bundled national dataset — the system may be smaller than UCMR5 thresholds, had non-detects, or results are not yet linked to this ID. Your retailer Annual Water Quality Report lists other regulated contaminants (chlorine, DBPs, nitrates, etc.).
VIOLATIONS HISTORY (FEDERAL SNAPSHOT)
EPA’s national SDWA quarterly files associate 8 violation-related records with this system in the same reporting quarter as the utility snapshot used on WaterCheckup. This is not a complete historical docket — see ECHO and SDWIS for full compliance context.
Based on ALLIANT ENERGY & WP&L ROCK RIVER's monitoring and violation profile, here are vetted filtration options — same picks framework as our city reports.
TOP PICKS FOR ALLIANT ENERGY & WP&L ROCK RIVER
⚠ EPA violations / contaminants in monitoring data
WHY THIS FOR ALLIANT ENERGY & WP&L ROCK RIVER · Chosen for ALLIANT ENERGY & WP&L ROCK RIVER because EPA’s SDWA snapshot shows active violation records. RO addresses a wide range of regulated contaminants, not just chlorine taste.
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