MOUNT VERNON WATER SUPPLY

MOUNT VERNON, IA · ~4,527 people served

Check your exact address → MOUNT VERNON overview

100

Excellent

PurityRadar safety score

PWSID

IA5758021

State

Iowa

City

MOUNT VERNON

Population served

4,527

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 Aug 2024). Levels in parts per trillion (ppt).

Lithium

9,300 ppt

limit —

No federal limit

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Aug 2013. Official EPA record →

Other · EPA contaminant 7500 began Jun 2012 Resolved

Monitoring & reporting · Total coliform began Feb 2012 Resolved

Monitoring & reporting · Total trihalomethanes (TTHM) began Jul 2010 Resolved

Monitoring & reporting · Haloacetic acids (HAA5) began Jul 2010 Resolved

Monitoring & reporting · Haloacetic acids (HAA5) began Nov 2006 Resolved

Monitoring & reporting · Haloacetic acids (HAA5) began Aug 2004 Resolved

Monitoring & reporting · Uranium began Apr 2004 Resolved

Monitoring & reporting · Gross alpha began Apr 2004 Resolved

Recent enforcement actions

State action · SOX Aug 2013
State action · SOX Aug 2013
State action · SIF Apr 2013
State action · SIF Apr 2013
State action · SOX Apr 2013
State action · SIF Apr 2013
State action · SIA Oct 2012
State action · SFJ Oct 2012

This profile is built from EPA public records for system IA5758021 — 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.