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Water system · PWSID CT0427011

MALLARD COVE CONDOMINIUM ASSN.

EAST HAMPTON, CT · ~177 people served

Check your exact address → EAST HAMPTON overview
100
Excellent
PurityRadar safety score

PWSID

CT0427011

State

Connecticut

City

EAST HAMPTON

Population served

177

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

89

Violations on record

0

Unaddressed

4

Health-based

121

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Dec 2025. Official EPA record →

Other · EPA contaminant 7000 began Aug 2025 Resolved
Monitoring & reporting · Combined radium-226/228 began Jul 2025 Resolved
Monitoring & reporting · Uranium began Jul 2025 Resolved
Monitoring & reporting · Gross alpha began Jul 2025 Resolved
Monitoring & reporting · Lead & Copper Rule began Sep 2024 Resolved
Treatment technique · EPA contaminant 0700 health-based began Sep 2024 Resolved
Other · EPA contaminant 7000 began Aug 2024 Resolved
Monitoring & reporting · Lead & Copper Rule began Mar 2024 Resolved
Other · EPA contaminant 7000 began Aug 2023 Resolved
Other · EPA contaminant 7000 began Jul 2023 Resolved
Monitoring & reporting · Lead & Copper Rule began Apr 2023 Resolved
Other · EPA contaminant 7000 began Jul 2022 Resolved

Recent enforcement actions

  • State action · SOX Dec 2025
  • State action · SOX Dec 2025
  • State action · SIF Dec 2025
  • State action · SOX Oct 2025
  • State action · SOX Sep 2025
  • State action · SOX Jun 2025
  • State action · SOX Oct 2024
  • State action · SIA Oct 2024

This profile is built from EPA public records for system CT0427011 — 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.