MONDAMIN WATER SUPPLY

MARSHALLTOWN, IA · ~339 people served

Check your exact address → MARSHALLTOWN overview

100

Excellent

PurityRadar safety score

PWSID

IA4349094

State

Iowa

City

MARSHALLTOWN

Population served

339

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

Violations on record

Unaddressed

Health-based

131

Enforcement actions

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

Monitoring & reporting · Nitrite began Jul 2024 Resolved

Monitoring & reporting · Nitrite began Jul 2022 Resolved

Other · EPA contaminant 7000 began Jul 2014 Resolved

Monitoring & reporting · Uranium began Oct 2012 Resolved

Monitoring & reporting · EPA contaminant 0999 began Jul 2010 Resolved

Monitoring & reporting · Total coliform began Jul 2010 Resolved

Monitoring & reporting · Total trihalomethanes (TTHM) began Jul 2008 Resolved

Monitoring & reporting · Haloacetic acids (HAA5) began Jul 2008 Resolved

Monitoring & reporting · Haloacetic acids (HAA5) began Jul 2007 Resolved

Monitoring & reporting · EPA contaminant 2110 began Apr 2002 Resolved

Monitoring & reporting · EPA contaminant 2306 began Apr 2002 Resolved

Monitoring & reporting · EPA contaminant 2326 began Apr 2002 Resolved

Recent enforcement actions

State action · SIF Jan 2025
State action · SIF Jan 2025
State action · SOX Oct 2024
State action · SOX Oct 2024
State action · SFJ Oct 2024
State action · SIE Oct 2024
State action · SFJ Oct 2024
State action · SIE Oct 2024

This profile is built from EPA public records for system IA4349094 — 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.