PORTAGE DES SIOUX PWS

PORTAGE DES SIOUX, MO · ~345 people served

Check your exact address → PORTAGE DES SIOUX overview

100

Excellent

PurityRadar safety score

PWSID

MO6010657

State

Missouri

City

PORTAGE DES SIOUX

Population served

345

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

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Nov 2019. Official EPA record →

Other · EPA contaminant 7000 began Jul 2019 Resolved

Monitoring · Lead & Copper Rule began Apr 2019 Resolved

Monitoring · Lead & Copper Rule began Jun 2016 Resolved

Other · EPA contaminant 7500 began Feb 2016 Resolved

Treatment technique · EPA contaminant 0700 health-based began Oct 2015 Resolved

Monitoring & reporting · Total coliform began Jun 2014 Resolved

Other · EPA contaminant 7000 began Jul 2013 Resolved

Monitoring & reporting · Total coliform began Jun 2013 Resolved

Monitoring & reporting · Total coliform began Mar 2013 Resolved

Monitoring & reporting · Total coliform began Dec 2010 Resolved

Monitoring & reporting · Total coliform began Nov 2010 Resolved

Monitoring & reporting · Total coliform began Sep 2010 Resolved

Recent enforcement actions

State action · SOX Nov 2019
State action · SIF Oct 2019
State action · SOX Sep 2019
State action · SOX Jun 2019
State action · SIA May 2019
State action · SIE May 2019
State action · SOX Feb 2019
State action · SOX Jan 2018

This profile is built from EPA public records for system MO6010657 — 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.