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Water system · PWSID MO3010712

ST JAMES PWS

ST JAMES, MO · ~3,935 people served

Check your exact address → ST JAMES overview
34
Action needed
PurityRadar safety score

PWSID

MO3010712

State

Missouri

City

ST JAMES

Population served

3,935

Primary source

Groundwater

Score history

▼ 66 points — the score moved from 100 to 34 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 34

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 Nov 2023). Levels in parts per trillion (ppt).

PFOS

Perfluorooctanesulfonic acid

9.9 ppt

limit 4 ppt

Above EPA limit · 2.5×

PFHxS

Perfluorohexanesulfonic acid

23 ppt

limit 10 ppt

Above EPA limit · 2.3×

PFHxA

12 ppt

limit —

No federal limit

PFPeA

11 ppt

limit —

No federal limit

PFBS

6.5 ppt

limit —

No federal limit

PFPeS

6.3 ppt

limit —

No federal limit

PFHpA

4.6 ppt

limit —

No federal limit

Violations & enforcement

9

Violations on record

0

Unaddressed

5

Health-based

40

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Apr 2024. Official EPA record →

Monitoring & reporting · Lead & Copper Rule began Dec 2023 Resolved
Other · EPA contaminant 7000 began Jul 2020 Resolved
Max contaminant level (MCL) · Total coliform health-based began Oct 2014 Resolved
Max contaminant level (MCL) · Total coliform health-based began Aug 2011 Resolved
Max contaminant level (MCL) · Total coliform health-based began Dec 2010 Resolved
Max contaminant level (MCL) · Total coliform health-based began Feb 2003 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jan 2003 Resolved
Monitoring & reporting · Total coliform began Sep 2001 Resolved
Monitoring & reporting · Total coliform began Sep 2000 Resolved

Recent enforcement actions

  • State action · SOX Apr 2024
  • State action · SOX Nov 2020
  • State action · SOX Feb 2015
  • State action · SIF Nov 2014
  • State action · SIE Oct 2014
  • State action · SFJ Oct 2014
  • State action · SOX Jan 2014
  • State action · SOX Jan 2014

This profile is built from EPA public records for system MO3010712 — 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.