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Water system · PWSID CT0990011

BLUE TRAILS WATER ASSOCIATION

DURHAM, CT · ~228 people served

Check your exact address → DURHAM overview
85
Excellent
PurityRadar safety score

PWSID

CT0990011

State

Connecticut

City

DURHAM

Population served

228

Primary source

Groundwater

Score history

No change since tracking began Jun 18, 2026.

Jun 18, 2026 · score 85 Jun 18, 2026 · score 85

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

96

Violations on record

3

Unaddressed

3

Health-based

60

Enforcement actions

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

Monitoring & reporting · Lead & Copper Rule began Oct 2025 Unaddressed
Treatment technique · EPA contaminant 5200 health-based began Oct 2024 Unaddressed
Reporting · EPA contaminant 5200 began Oct 2024 Unaddressed
Other · EPA contaminant 7000 began Jul 2025 Resolved
Other · EPA contaminant 7000 began Jul 2024 Resolved
Monitoring & reporting · Lead & Copper Rule began Mar 2024 Resolved
Monitoring & reporting · Lead & Copper Rule began Sep 2023 Resolved
Other · EPA contaminant 7000 began Jul 2023 Resolved
Other · EPA contaminant 7500 began Jul 2022 Resolved
Max contaminant level (MCL) · Lead & Copper Rule health-based began Apr 2022 Resolved
Monitoring & reporting · Lead & Copper Rule began Dec 2021 Resolved
Other · EPA contaminant 7000 began Aug 2021 Resolved

Recent enforcement actions

  • State action · SOX Jul 2025
  • State action · SIA Aug 2024
  • State action · SOX Aug 2024
  • State action · SOX May 2024
  • State action · SOX May 2024
  • State action · SIA May 2024
  • State action · SIA May 2024
  • State action · SOX Aug 2023

This profile is built from EPA public records for system CT0990011 — 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.