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Water system · PWSID OH8000314

MARYSVILLE CITY PWS

MARYSVILLE, OH · ~25,571 people served

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

PWSID

OH8000314

State

Ohio

City

MARYSVILLE

Population served

25,571

Primary source

Surface water

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

Lithium

13,400 ppt

limit —

No federal limit

Violations & enforcement

30

Violations on record

1

Unaddressed

16

Health-based

71

Enforcement actions

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

Other · EPA contaminant 7000 began Dec 2019 Unaddressed
Reporting · EPA contaminant 5200 began Jul 2025 Resolved
Treatment technique · Bromate health-based began Jan 2011 Resolved
Monitoring & reporting · EPA contaminant 0300 began Jul 2008 Resolved
Monitoring & reporting · EPA contaminant 2050 began Jul 2005 Resolved
Monitoring & reporting · EPA contaminant 2037 began Jul 2005 Resolved
Monitoring & reporting · EPA contaminant 2051 began Jul 2005 Resolved
Monitoring & reporting · EPA contaminant 2051 began Jun 2005 Resolved
Monitoring & reporting · EPA contaminant 2050 began Jun 2005 Resolved
Monitoring & reporting · EPA contaminant 2037 began Jun 2005 Resolved
Monitoring & reporting · EPA contaminant 2037 began May 2001 Resolved
Monitoring & reporting · EPA contaminant 2051 began May 2001 Resolved

Recent enforcement actions

  • State action · SOX Nov 2025
  • State action · SIE Oct 2025
  • State action · SIA Oct 2025
  • State action · SIA Dec 2019
  • State action · SIF Feb 2012
  • State action · SOX Sep 2011
  • State action · SIE May 2011
  • State action · SIA May 2011

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

1 station · latest Sep 2024

56.2 · max 375 ug/L · 12

Arsenic

1 station · latest Sep 2024

3.24 · max 4.51 ug/L · 10

Copper

1 station · latest Aug 2024

2.15 · max 3.04 ug/L · 10

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 OH8000314 — 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.