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Water system · PWSID IA3126307

GREEN BRIER SUBDIVISION

DUBUQUE, IA · ~35 people served

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

PWSID

IA3126307

State

Iowa

City

DUBUQUE

Population served

35

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

40

Violations on record

0

Unaddressed

12

Health-based

167

Enforcement actions

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

Monitoring · Lead & Copper Rule began May 2025 Resolved
Monitoring · Lead & Copper Rule began Jun 2024 Resolved
Monitoring & reporting · Total coliform began Sep 2015 Resolved
Monitoring & reporting · Total coliform began Jan 2014 Resolved
Other · EPA contaminant 7000 began Jul 2012 Resolved
Max contaminant level (MCL) · Total coliform health-based began Oct 2008 Resolved
Max contaminant level (MCL) · Total coliform health-based began Sep 2008 Resolved
Max contaminant level (MCL) · Total coliform health-based began Aug 2008 Resolved
Monitoring & reporting · Total coliform began Jul 2008 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jul 2008 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jun 2008 Resolved
Monitoring & reporting · Total coliform began Oct 2007 Resolved

Recent enforcement actions

  • State action · SIF Jul 2025
  • State action · SFJ Jun 2025
  • State action · SIE Jun 2025
  • State action · SOX Jun 2025
  • State action · SIF Sep 2024
  • State action · SFJ Jul 2024
  • State action · SIE Jul 2024
  • State action · SOX Jul 2024

This profile is built from EPA public records for system IA3126307 — 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.