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Water system · PWSID MS0770005

HIWANNEE WATER ASSOCIATION #1

WAYNESBORO, MS · ~3,749 people served

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

PWSID

MS0770005

State

Mississippi

City

WAYNESBORO

Population served

3,749

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

15,600 ppt

limit —

No federal limit

Violations & enforcement

243

Violations on record

0

Unaddressed

22

Health-based

230

Enforcement actions

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

Monitoring & reporting · EPA contaminant 0999 began Jan 2022 Resolved
Other · EPA contaminant 7500 began Jun 2019 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jan 2019 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Oct 2018 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jul 2018 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Apr 2018 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jan 2018 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Oct 2017 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jul 2017 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jan 2017 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Oct 2016 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Apr 2016 Resolved

Recent enforcement actions

  • State action · SO+ Jan 2025
  • State action · SIF Apr 2023
  • State action · SOX Jan 2023
  • State action · SFJ Dec 2022
  • State action · SIE Dec 2022
  • State action · SOX Jun 2022
  • State action · SFJ Apr 2022
  • State action · SIE Apr 2022

This profile is built from EPA public records for system MS0770005 — 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.