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Water system · PWSID NC0190413

UNION COUNTY WATER SYSTEM

MONROE, NC · ~167,554 people served

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

PWSID

NC0190413

State

North Carolina

City

MONROE

Population served

167,554

Primary source

Surface water

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

PFOA

Perfluorooctanoic acid

4.2 ppt

limit 4 ppt

Above EPA limit · 1.0×

PFOS

Perfluorooctanesulfonic acid

4.1 ppt

limit 4 ppt

Above EPA limit · 1.0×

PFBA

5.5 ppt

limit —

No federal limit

PFPeA

4 ppt

limit —

No federal limit

PFHxA

3.3 ppt

limit —

No federal limit

Violations & enforcement

11

Violations on record

0

Unaddressed

5

Health-based

38

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Nov 2024. Official EPA record →

Other · EPA contaminant 7000 began Jul 2024 Resolved
Max contaminant level (MCL) · Lead & Copper Rule health-based began Mar 2020 Resolved
Reporting · Lead & Copper Rule began Oct 2018 Resolved
Max contaminant level (MCL) · Haloacetic acids (HAA5) health-based began Jul 2017 Resolved
Monitoring & reporting · Lead & Copper Rule began Oct 2010 Resolved
Monitoring & reporting · Total coliform began May 2009 Resolved
Other · EPA contaminant 7500 began Feb 2004 Resolved
Other · EPA contaminant 7500 began Oct 2003 Resolved
Max contaminant level (MCL) · Haloacetic acids (HAA5) health-based began Oct 2003 Resolved
Max contaminant level (MCL) · Haloacetic acids (HAA5) health-based began Jul 2003 Resolved
Max contaminant level (MCL) · Total coliform health-based began Oct 1993 Resolved

Recent enforcement actions

  • State action · SOX Nov 2024
  • State action · SOX Apr 2020
  • State action · SFL Mar 2020
  • State action · SFJ Mar 2020
  • State action · SFH Mar 2020
  • State action · SIC Mar 2020
  • State action · SIE Mar 2020
  • State action · SIF Mar 2020

This profile is built from EPA public records for system NC0190413 — 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.