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Water system · PWSID MO1024143

CLAY COUNTY PWSD 3

HOLT, MO · ~3,447 people served

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

PWSID

MO1024143

State

Missouri

City

HOLT

Population served

3,447

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

Lithium

23,000 ppt

limit —

No federal limit

Violations & enforcement

9

Violations on record

0

Unaddressed

4

Health-based

34

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Jan 2017. Official EPA record →

Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jul 2016 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
Other · EPA contaminant 7000 began Jul 2014 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jan 2013 Resolved
Monitoring & reporting · Total coliform began Dec 2005 Resolved
Monitoring & reporting · Total coliform began Aug 2005 Resolved
Monitoring & reporting · Total coliform began Jul 2005 Resolved
Monitoring & reporting · Total coliform began Feb 1993 Resolved

Recent enforcement actions

  • State action · SOX Jan 2017
  • State action · SIF Dec 2016
  • State action · SFJ Nov 2016
  • State action · SIE Nov 2016
  • State action · SIF Sep 2016
  • State action · SIE Aug 2016
  • State action · SFJ Aug 2016
  • State action · SIF Jun 2016

This profile is built from EPA public records for system MO1024143 — 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.