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Water system · PWSID IA4680018

THOR WATER WORKS

100
Excellent
PurityRadar safety score

PWSID

IA4680018

State

Iowa

City

VINCENT

Population served

181

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

18

Violations on record

0

Unaddressed

3

Health-based

74

Enforcement actions

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

Monitoring & reporting · Uranium began Jan 2015 Resolved
Other · EPA contaminant 7000 began Jul 2006 Resolved
Monitoring & reporting · Nitrate began Jan 2006 Resolved
Monitoring & reporting · EPA contaminant 2955 began Oct 1995 Resolved
Max contaminant level (MCL) · Uranium health-based began Apr 1995 Resolved
Monitoring & reporting · EPA contaminant 2955 began Jul 1994 Resolved
Monitoring & reporting · EPA contaminant 2991 began Jul 1994 Resolved
Monitoring & reporting · EPA contaminant 2991 began Jul 1994 Resolved
Max contaminant level (MCL) · Total coliform health-based began Aug 1991 Resolved
Monitoring & reporting · Lead & Copper Rule began Oct 1990 Resolved
Monitoring & reporting · Antimony began Oct 1987 Resolved
Monitoring & reporting · Arsenic began Oct 1987 Resolved

Recent enforcement actions

  • State action · SFJ Sep 2025
  • State action · SIE Sep 2025
  • State action · SIF Apr 2021
  • State action · SOX Feb 2021
  • State action · SIE Feb 2021
  • State action · SFJ Feb 2021
  • State action · SOX Jun 2019
  • State action · SFJ Apr 2019

This profile is built from EPA public records for system IA4680018 — 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.