HERCULANEUM PWS

HERCULANEUM, MO · ~4,227 people served

Check your exact address → HERCULANEUM overview

100

Excellent

PurityRadar safety score

PWSID

MO6010359

State

Missouri

City

HERCULANEUM

Population served

4,227

Primary source

GUP

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

Lithium

18,000 ppt

limit —

No federal limit

PFBA

6.2 ppt

limit —

No federal limit

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Jan 2014. Official EPA record →

Monitoring & reporting · EPA contaminant 0600 began Apr 2008 Resolved

Monitoring & reporting · Lead & Copper Rule began Oct 2006 Resolved

Other · EPA contaminant 7000 began Jul 2003 Resolved

Monitoring & reporting · Total coliform began Nov 2001 Resolved

Recent enforcement actions

State action · SOX Jan 2014
EPA/federal action · EOX Jun 2008
EPA/federal action · EIA May 2008
State action · SOX Aug 2007
State action · SOX Feb 2005
State action · SIF Jan 2002
State action · SIA Dec 2001
State action · SIE Dec 2001

This profile is built from EPA public records for system MO6010359 — 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.