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Water system · PWSID OH8400412

MARIETTA CITY PWS

MARIETTA, OH · ~18,707 people served

Check your exact address → MARIETTA overview
82
Good
PurityRadar safety score

PWSID

OH8400412

State

Ohio

City

MARIETTA

Population served

18,707

Primary source

Groundwater

Score history

▼ 18 points — the score moved from 100 to 82 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 82

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 Jun 2025). Levels in parts per trillion (ppt).

PFOS

Perfluorooctanesulfonic acid

4.3 ppt

limit 4 ppt

Above EPA limit · 1.1×

PFOA

Perfluorooctanoic acid

4.1 ppt

limit 4 ppt

Above EPA limit · 1.0×

PFBS

4.3 ppt

limit —

No federal limit

Violations & enforcement

31

Violations on record

2

Unaddressed

2

Health-based

28

Enforcement actions

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

Reporting · EPA contaminant 5200 began Jul 2025 Unaddressed
Other · EPA contaminant 7000 began Jul 2024 Unaddressed
Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2010 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2010 Resolved
Monitoring & reporting · EPA contaminant 2050 began Apr 1999 Resolved
Monitoring & reporting · EPA contaminant 2037 began Apr 1999 Resolved
Monitoring & reporting · EPA contaminant 2051 began Apr 1999 Resolved
Monitoring & reporting · EPA contaminant 2955 began Jan 1999 Resolved
Monitoring & reporting · EPA contaminant 2378 began Jan 1999 Resolved
Monitoring & reporting · EPA contaminant 2964 began Jan 1999 Resolved
Monitoring & reporting · EPA contaminant 2990 began Jan 1999 Resolved
Monitoring & reporting · EPA contaminant 2989 began Jan 1999 Resolved

Recent enforcement actions

  • State action · SIE Oct 2025
  • State action · SIA Oct 2025
  • State action · SIA Aug 2024
  • EPA/federal action · EID Feb 2022
  • State action · SIF Jun 2011
  • State action · SOX Dec 2010
  • State action · SIE Dec 2010
  • State action · SIA Dec 2010

This profile is built from EPA public records for system OH8400412 — 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.