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Water system · PWSID CT0910041

AQUARION-POSSUM RIDGE

SHELTON, CT · ~307 people served

Check your exact address → SHELTON overview
100
Excellent
PurityRadar safety score

PWSID

CT0910041

State

Connecticut

City

SHELTON

Population served

307

Primary source

Groundwater

Score history

No change since tracking began Jun 18, 2026.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 100

2 score updates logged since tracking began Jun 18, 2026. Each future EPA re-score adds a point.

PFAS & contaminant readings

No PFAS detections are on record for this system from EPA’s UCMR5 monitoring (2023–25). Absence of a detection isn’t a guarantee — not every system was sampled, and this dataset doesn’t cover other contaminants.

Violations & enforcement

64

Violations on record

0

Unaddressed

0

Health-based

32

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Sep 2021. Official EPA record →

Monitoring & reporting · Lead & Copper Rule began Jan 2021 Resolved
Other · EPA contaminant 7000 began Jul 2018 Resolved
Monitoring & reporting · Gross alpha began Apr 2006 Resolved
Monitoring & reporting · Uranium began Apr 2006 Resolved
Monitoring & reporting · Gross alpha began Apr 2006 Resolved
Monitoring & reporting · Combined radium-226/228 began Apr 2006 Resolved
Monitoring & reporting · Uranium began Apr 2006 Resolved
Monitoring & reporting · Combined radium-226/228 began Apr 2006 Resolved
Monitoring & reporting · Gross alpha began Apr 2006 Resolved
Monitoring & reporting · Combined radium-226/228 began Apr 2006 Resolved
Monitoring & reporting · Uranium began Apr 2006 Resolved
Monitoring & reporting · Combined radium-226/228 began Jan 2006 Resolved

Recent enforcement actions

  • State action · SIF Sep 2021
  • State action · SOX Jun 2021
  • State action · SIA Apr 2021
  • State action · SIE Apr 2021
  • State action · SIA Jan 2019
  • State action · SOX Jul 2018
  • State action · SOX Apr 2007
  • State action · SIF Dec 2006

This profile is built from EPA public records for system CT0910041 — SDWIS violations and UCMR5 PFAS sampling. The score is system-level and can’t account for your home’s plumbing (older pipes can add lead at the tap). For health decisions, check your exact address, read the utility’s Consumer Confidence Report, and confirm with your provider.