Home/ Directory/ MS/ CITY OF UNION

Water system · PWSID MS0510011

CITY OF UNION

UNION, MS · ~3,432 people served

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

PWSID

MS0510011

State

Mississippi

City

UNION

Population served

3,432

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

Lithium

18,000 ppt

limit —

No federal limit

Violations & enforcement

70

Violations on record

0

Unaddressed

1

Health-based

50

Enforcement actions

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

Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2024 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2024 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2023 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2023 Resolved
Treatment technique · EPA contaminant 0700 health-based began Aug 2019 Addressed
Monitoring & reporting · EPA contaminant 4030 began Apr 2012 Resolved
Monitoring & reporting · EPA contaminant 4020 began Apr 2012 Resolved
Monitoring & reporting · EPA contaminant 4030 began Jan 2012 Resolved
Monitoring & reporting · EPA contaminant 4020 began Jan 2012 Resolved
Monitoring & reporting · EPA contaminant 4030 began Oct 2011 Resolved
Monitoring & reporting · EPA contaminant 4030 began Jul 2011 Resolved
Monitoring & reporting · EPA contaminant 4020 began Apr 2011 Resolved

Recent enforcement actions

  • State action · SOX Sep 2025
  • State action · SO+ Mar 2025
  • State action · SO+ Mar 2024
  • State action · SFN Jun 2020
  • State action · SOX Jan 2020
  • State action · SIF Nov 2019
  • State action · SFR Aug 2019
  • State action · SFR Aug 2019

This profile is built from EPA public records for system MS0510011 — 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.