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Water system · PWSID MO4010270

FARMINGTON PWS

FARMINGTON, MO · ~18,217 people served

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

PWSID

MO4010270

State

Missouri

City

FARMINGTON

Population served

18,217

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 Jan 2025). Levels in parts per trillion (ppt).

PFHxS

Perfluorohexanesulfonic acid

4.8 ppt

limit 10 ppt

Below EPA limit

PFPeA

3.8 ppt

limit —

No federal limit

Violations & enforcement

98

Violations on record

0

Unaddressed

90

Health-based

196

Enforcement actions

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

Max contaminant level (MCL) · Uranium health-based began Oct 2024 Resolved
Max contaminant level (MCL) · Uranium health-based began Jul 2024 Resolved
Other · EPA contaminant 7000 began Jul 2022 Resolved
Other · EPA contaminant 7000 began Jul 2021 Resolved
Max contaminant level (MCL) · Total coliform health-based began Nov 2015 Resolved
Max contaminant level (MCL) · Total coliform health-based began Oct 2015 Resolved
Monitoring & reporting · EPA contaminant 3014 began Sep 2015 Resolved
Max contaminant level (MCL) · Total coliform health-based began Sep 2015 Resolved
Max contaminant level (MCL) · Total coliform health-based began Aug 2015 Resolved
Max contaminant level (MCL) · Total coliform health-based began May 2015 Resolved
Monitoring & reporting · Total coliform began Nov 2014 Resolved
Max contaminant level (MCL) · Total coliform health-based began Oct 2014 Resolved

Recent enforcement actions

  • State action · SIE Dec 2025
  • State action · SFJ Dec 2025
  • State action · SIF Oct 2025
  • State action · SOX Oct 2025
  • State action · SFJ Sep 2025
  • State action · SIE Sep 2025
  • State action · SOX Mar 2023
  • State action · SOX Feb 2022

This profile is built from EPA public records for system MO4010270 — 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.