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Water system · PWSID MO2010165

CLARENCE PWS

CLARENCE, MO · ~813 people served

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

PWSID

MO2010165

State

Missouri

City

CLARENCE

Population served

813

Primary source

SWP

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

11

Violations on record

0

Unaddressed

5

Health-based

31

Enforcement actions

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

Monitoring & reporting · Total trihalomethanes (TTHM) began Jul 2018 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jul 2018 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Apr 2016 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jan 2016 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Oct 2015 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jul 2015 Resolved
Monitoring & reporting · Total coliform began Mar 2009 Resolved
Treatment technique · EPA contaminant 0200 health-based began Jan 1995 Resolved
Monitoring & reporting · Total coliform began May 1994 Resolved
Monitoring & reporting · Total coliform began Apr 1994 Resolved
Monitoring & reporting · Total coliform began Aug 1993 Resolved

Recent enforcement actions

  • State action · SIF Feb 2019
  • State action · SIE Dec 2018
  • State action · SIA Dec 2018
  • State action · SOX Nov 2018
  • State action · SIF Dec 2016
  • State action · SOX Oct 2016
  • State action · SIE Aug 2016
  • State action · SFJ Aug 2016

This profile is built from EPA public records for system MO2010165 — 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.