Residents: Your public water system is required by EPA to publish an annual CCR by July 1st each year. Contact OAK PARKdirectly to request a copy, or check the EPA's national CCR portal at cfpub.epa.gov/ccr.
VIOLATIONS HISTORY (FEDERAL SNAPSHOT)
EPA’s national SDWA quarterly files associate 2 violation-related records with this system in the same reporting quarter as the public water system snapshot used on WaterCheckup. This is not a complete historical docket — see ECHO and SDWIS for full compliance context.
Based on OAK PARK's monitoring and violation profile, here are vetted filtration options — same picks framework as our city reports.
Certified Filter Recommendations
Matched to what's actually in your water
TOP PICKS FOR OAK PARK
⚠ EPA violations / contaminants in monitoring data
#1
Clearly Filtered 3.5L Pitcher
BEST FOR PFAS & LEAD
Clearly Filtered · ~$90
Only pitcher certified to remove PFAS at 99.9%. NSF 42/53/244/401/P473 — 365+ contaminants.
WHY THIS FOR OAK PARK · Chosen for OAK PARK because PFAS compounds appear in UCMR5 monitoring for this PWS. Reverse osmosis is the most effective certified residential technology for PFAS.
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