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Water system · PWSID CT1419081

MARIANAPOLIS PREP SCHOOL - ST ALBERTS

THOMPSON, CT · ~51 people served

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

PWSID

CT1419081

State

Connecticut

City

THOMPSON

Population served

51

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

95

Violations on record

2

Unaddressed

5

Health-based

56

Enforcement actions

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

Reporting · EPA contaminant 5200 began Oct 2024 Unaddressed
Treatment technique · EPA contaminant 5200 health-based began Oct 2024 Unaddressed
Monitoring & reporting · EPA contaminant 3014 began Sep 2025 Resolved
Treatment technique · Lead & Copper Rule health-based began Aug 2025 Resolved
Other · EPA contaminant 7500 began Feb 2025 Resolved
Treatment technique · Lead & Copper Rule health-based began Nov 2024 Resolved
Treatment technique · Lead & Copper Rule health-based began Sep 2024 Resolved
Other · EPA contaminant 7500 began Mar 2024 Resolved
Treatment technique · Lead & Copper Rule health-based began Nov 2023 Resolved
Other · EPA contaminant 7000 began Aug 2021 Resolved
Other · EPA contaminant 7000 began Aug 2019 Resolved
Other · EPA contaminant 7000 began Jul 2019 Resolved

Recent enforcement actions

  • State action · SIF Dec 2025
  • State action · SIA Dec 2025
  • State action · SIE Dec 2025
  • State action · SOX Oct 2025
  • State action · SOX Sep 2025
  • State action · SOX Feb 2025
  • State action · SIF Feb 2025
  • State action · SIA Jan 2025

This profile is built from EPA public records for system CT1419081 — 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.