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Water system · PWSID IA4950029

MAQUOKETA MUNICIPAL WATER

MAQUOKETA, IA · ~6,128 people served

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

PWSID

IA4950029

State

Iowa

City

MAQUOKETA

Population served

6,128

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

Latest detections from EPA’s UCMR5 monitoring (through Jul 2025). Levels in parts per trillion (ppt).

Lithium

22,000 ppt

limit —

No federal limit

Violations & enforcement

34

Violations on record

0

Unaddressed

15

Health-based

166

Enforcement actions

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

Monitoring & reporting · EPA contaminant 2032 began Jul 2018 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jul 2005 Resolved
Max contaminant level (MCL) · Uranium health-based began Oct 2003 Resolved
Max contaminant level (MCL) · Uranium health-based began Oct 2003 Resolved
Max contaminant level (MCL) · Uranium health-based began Jul 2003 Resolved
Max contaminant level (MCL) · Uranium health-based began Jul 2003 Resolved
Max contaminant level (MCL) · Uranium health-based began Jul 2003 Resolved
Max contaminant level (MCL) · Uranium health-based began Apr 2003 Resolved
Max contaminant level (MCL) · Uranium health-based began Apr 2003 Resolved
Max contaminant level (MCL) · Uranium health-based began Jan 2003 Resolved
Max contaminant level (MCL) · Uranium health-based began Jan 2003 Resolved
Max contaminant level (MCL) · Uranium health-based began Oct 2002 Resolved

Recent enforcement actions

  • State action · SIF May 2025
  • State action · SIF May 2025
  • State action · SIF May 2025
  • State action · SOX Sep 2024
  • State action · SOX Sep 2024
  • State action · SOX Sep 2024
  • State action · SFJ Aug 2024
  • State action · SIE Aug 2024

This profile is built from EPA public records for system IA4950029 — 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.