COLE COUNTY PWSD 1

JEFFERSON CITY, MO · ~16,548 people served

Check your exact address → JEFFERSON CITY overview

Good

PurityRadar safety score

PWSID

MO3024159

State

Missouri

City

JEFFERSON CITY

Population served

16,548

Primary source

Groundwater

Score history

▼ 19 points — the score moved from 100 to 81 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 81

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

PFOA

Perfluorooctanoic acid

5.8 ppt

limit 4 ppt

Above EPA limit · 1.4×

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Sep 2006. Official EPA record →

Reporting · EPA contaminant 5200 began Jul 2025 Unaddressed

Other · EPA contaminant 7000 began Jul 2006 Resolved

Recent enforcement actions

State action · SOX Sep 2006
State action · SOX Feb 2005
State action · SIA Sep 1983
State action · SIA Sep 1983

This profile is built from EPA public records for system MO3024159 — 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.