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PUBLIC WATER SYSTEM REPORT
Is CTWC - NORTHERN REG-WESTERN SYSTEM Water Safe to Drink in 2026?
Connecticut · PWSID CT0473011 · Surface water
Population served
101,313
Cities served
EAST GRANBY, EAST WINDSOR, ELLINGTON, ENFIELD, MANCHESTER, MANSFIELD, SOUTH WINDSOR, STAFFORD, SUFFIELD, TOLLAND, VERNON, WINDSOR LOCKS
State / jurisdiction
Connecticut (CT)
PWSID
CT0473011
F
TAP WATER GRADE
High Risk
Model score 43/88 from violations, PFAS profile, and monitoring signals — not a laboratory test of your faucet.
406 violation record(s) in the latest EPA SDWA quarterly snapshotPFAS above EPA MCL (UCMR5 regulated compounds)
CONTAMINANTS — EPA UCMR5 MONITORING
Compound
Level (ppt)
EPA limit
Health guideline
Status
PFOAregulated
8.0
4 ppt
Exceeds
Above health advisory
PFOSregulated
6.0
4 ppt
Exceeds
Above health advisory
PFBA
5.0
—
Within / n/a
Unregulated (monitored)
PFHxA
3.0
—
Within / n/a
Unregulated (monitored)
PFHxSregulated
3.0
10 ppt
Within / n/a
MCL exceedance
PFBS
3.0
—
Within / n/a
Unregulated (monitored)
PFPeA
3.0
—
Within / n/a
Unregulated (monitored)
Source: EPA UCMR5 · ppt = parts per trillion · MCL = enforceable limit for regulated PFAS
Official Consumer Confidence Report (CCR)
📋 The official 2026 CCR for CTWC - NORTHERN REG-WESTERN SYSTEM has not yet been published on WaterCheckup.
Are you the water operator for CTWC - NORTHERN REG-WESTERN SYSTEM? 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 CTWC - NORTHERN REG-WESTERN SYSTEMdirectly 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 406 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 CTWC - NORTHERN REG-WESTERN SYSTEM'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 CTWC - NORTHERN REG-WESTERN SYSTEM
⚠ EPA violations / contaminants in monitoring data
WHY THIS FOR CTWC - NORTHERN REG-WESTERN SYSTEM · Chosen for CTWC - NORTHERN REG-WESTERN SYSTEM because PFAS was detected at 8 ppt in UCMR5 — above the 4 ppt limit for some regulated compounds — and this system shows 406 violation record(s) in the latest federal snapshot. RO removes 99%+ of PFAS at the tap.
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