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PUBLIC WATER SYSTEM REPORT
Is ST JOHNS NORTHWESTERN ACADEMIES Water Safe to Drink in 2026?
Wisconsin · PWSID WI2680761 · Ground water
Population served
340
Cities served
DELAFIELD
State / jurisdiction
Wisconsin (WI)
PWSID
WI2680761
B-
TAP WATER GRADE
Fair
Model score 70/88 from violations, PFAS profile, and monitoring signals — not a laboratory test of your faucet.
222 violation record(s) in the latest EPA SDWA quarterly snapshot
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.).
Official Consumer Confidence Report (CCR)
📋 The official 2026 CCR for ST JOHNS NORTHWESTERN ACADEMIES has not yet been published on WaterCheckup.
Are you the water operator for ST JOHNS NORTHWESTERN ACADEMIES? Publish your official CCR here for free — your customers are already finding this page.
Residents: Your public water system is required by EPA to publish an annual CCR by July 1st each year. Contact ST JOHNS NORTHWESTERN ACADEMIESdirectly 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 222 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 ST JOHNS NORTHWESTERN ACADEMIES'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 ST JOHNS NORTHWESTERN ACADEMIES
⚠ EPA violations / contaminants in monitoring data
WHY THIS FOR ST JOHNS NORTHWESTERN ACADEMIES · Chosen for ST JOHNS NORTHWESTERN ACADEMIES because the latest federal SDWA snapshot lists substantial violation activity. Certified reverse osmosis provides the broadest residential barrier for households that want margin beyond legal compliance.
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