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Water system · PWSID MS0580004

OAK HILL WATER ASSN

PONTOTOC, MS · ~4,739 people served

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

PWSID

MS0580004

State

Mississippi

City

PONTOTOC

Population served

4,739

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

Lithium

86,000 ppt

limit —

No federal limit

Violations & enforcement

108

Violations on record

1

Unaddressed

1

Health-based

90

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Dec 2015. Official EPA record →

Other · EPA contaminant 7500 began Oct 2008 Unaddressed
Max contaminant level (MCL) · Total coliform health-based began Nov 2015 Resolved
Monitoring & reporting · EPA contaminant 4030 began Oct 2012 Resolved
Monitoring & reporting · Combined radium-226/228 began Oct 2012 Resolved
Monitoring & reporting · EPA contaminant 4020 began Oct 2012 Resolved
Monitoring & reporting · EPA contaminant 4020 began Oct 2012 Resolved
Monitoring & reporting · EPA contaminant 4030 began Oct 2012 Resolved
Monitoring & reporting · EPA contaminant 4020 began Jul 2012 Resolved
Monitoring & reporting · EPA contaminant 4030 began Jul 2012 Resolved
Monitoring & reporting · Combined radium-226/228 began Jul 2012 Resolved
Monitoring & reporting · EPA contaminant 4020 began Jul 2012 Resolved
Monitoring & reporting · EPA contaminant 4030 began Jul 2012 Resolved

Recent enforcement actions

  • State action · SIF Dec 2015
  • State action · SIE Dec 2015
  • State action · SFJ Dec 2015
  • State action · SOX Dec 2015
  • State action · SIF May 2013
  • State action · SOX Dec 2012
  • State action · SOX Dec 2012
  • State action · SOX Dec 2012

This profile is built from EPA public records for system MS0580004 — 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.