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Water system · PWSID OH6000412

MUSKINGUM COUNTY WATER - SE

ZANESVILLE, OH · ~21,540 people served

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

PWSID

OH6000412

State

Ohio

City

ZANESVILLE

Population served

21,540

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

PFBS

4.4 ppt

limit —

No federal limit

Violations & enforcement

12

Violations on record

0

Unaddressed

3

Health-based

34

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Mar 2025. Official EPA record →

Other · EPA contaminant 7000 began Dec 2024 Resolved
Other · EPA contaminant 7000 began Jul 2020 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Oct 2017 Resolved
Other · EPA contaminant 7000 began Jul 2016 Resolved
Other · EPA contaminant 7000 began Jul 2015 Resolved
Other · EPA contaminant 7000 began Jul 2014 Resolved
Monitoring & reporting · EPA contaminant 3014 began Aug 2013 Resolved
Other · EPA contaminant 7000 began Jul 2013 Resolved
Other · EPA contaminant 7000 began Jul 2004 Resolved
Monitoring & reporting · Total coliform began Sep 2003 Resolved
Max contaminant level (MCL) · Fluoride health-based began Jan 1998 Resolved
Max contaminant level (MCL) · Total coliform health-based began Aug 1993 Resolved

Recent enforcement actions

  • State action · SOX Mar 2025
  • State action · SIA Dec 2024
  • State action · SOX Aug 2020
  • State action · SIA Aug 2020
  • State action · SOX Feb 2018
  • State action · SIF Jan 2018
  • State action · SIE Dec 2017
  • State action · SIA Dec 2017

Area water-quality monitoring

Environmental monitoring (rivers, wells, intakes) recorded in this system’s service area in the EPA/USGS Water Quality Portal since 2018 — source/ambient water, not finished tap water. Context for the watershed, not a reading from your tap.

ContaminantMedian · max · samples

Manganese

2 stations · latest Oct 2024

311 · max 525 ug/L · 9

Arsenic

1 station · latest Oct 2024

4.97 · max 6.71 ug/L · 8

Copper

1 station · latest Jul 2024

2.94 · max 5.56 ug/L · 4

Source: Water Quality Portal (EPA/USGS/state agencies). Values are as-reported and aren’t health thresholds.

This profile is built from EPA public records for system OH6000412 — 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.