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Water system · PWSID MO6010798

TROY PWS

TROY, MO · ~12,500 people served

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

PWSID

MO6010798

State

Missouri

City

TROY

Population served

12,500

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

Lithium

120,000 ppt

limit —

No federal limit

Violations & enforcement

10

Violations on record

0

Unaddressed

6

Health-based

32

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Jan 2016. Official EPA record →

Max contaminant level (MCL) · Total coliform health-based began Dec 2012 Resolved
Max contaminant level (MCL) · Total coliform health-based began May 2012 Resolved
Max contaminant level (MCL) · Gross alpha health-based began Jan 2010 Resolved
Max contaminant level (MCL) · Gross alpha health-based began Oct 2009 Resolved
Max contaminant level (MCL) · Uranium health-based began Oct 2009 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jun 2005 Resolved
Monitoring & reporting · Total coliform began Sep 2002 Resolved
Other · EPA contaminant 7000 began Jul 2002 Resolved
Monitoring & reporting · Gross alpha began Jan 1995 Resolved
Monitoring & reporting · Total coliform began Jun 1994 Resolved

Recent enforcement actions

  • State action · SIA Jan 2016
  • State action · SOX Jan 2014
  • State action · SOX Jan 2014
  • State action · SOX Jan 2014
  • State action · SIF Jan 2013
  • State action · SIE Dec 2012
  • State action · SFJ Dec 2012
  • State action · SIF Jun 2012

This profile is built from EPA public records for system MO6010798 — 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.