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Water system · PWSID NC0351070

JOHNSTON CO-WEST

50
Fair
PurityRadar safety score

PWSID

NC0351070

State

North Carolina

City

SMITHFIELD

Population served

92,365

Primary source

Surface water

Score history

▼ 50 points — the score moved from 100 to 50 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 50

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

PFOS

Perfluorooctanesulfonic acid

10 ppt

limit 4 ppt

Above EPA limit · 2.6×

PFOA

Perfluorooctanoic acid

5.5 ppt

limit 4 ppt

Above EPA limit · 1.4×

PFHxS

Perfluorohexanesulfonic acid

3.1 ppt

limit 10 ppt

Below EPA limit

PFBA

7.9 ppt

limit —

No federal limit

PFPeA

4.7 ppt

limit —

No federal limit

PFHpA

4.5 ppt

limit —

No federal limit

PFHxA

4.4 ppt

limit —

No federal limit

PFBS

3.2 ppt

limit —

No federal limit

Violations & enforcement

8

Violations on record

0

Unaddressed

1

Health-based

21

Enforcement actions

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

Reporting · Lead & Copper Rule began Feb 2025 Resolved
Other · EPA contaminant 7000 began Jul 2021 Resolved
Other · EPA contaminant 7000 began Jul 2020 Resolved
Other · EPA contaminant 7000 began Jul 2019 Resolved
Monitoring & reporting · Bromate began Jul 2006 Resolved
Other · EPA contaminant 7000 began Jul 2001 Resolved
Monitoring & reporting · Nitrate began Jan 2001 Resolved
Max contaminant level (MCL) · Total coliform health-based began Sep 1998 Resolved

Recent enforcement actions

  • State action · SIF Dec 2025
  • State action · SIE Jun 2025
  • State action · SFJ Jun 2025
  • State action · SFL Jun 2025
  • State action · SOX Apr 2025
  • State action · SOX Oct 2021
  • State action · SOX Oct 2020
  • State action · SOX Oct 2019

Area water-quality monitoring

Environmental monitoring (rivers, wells, intakes) recorded in this system’s service area in the EPA/USGS Water Quality Portal since 2018 — source/ambient water, not finished tap water. Context for the watershed, not a reading from your tap.

ContaminantMedian · max · samples

Manganese

2 stations · latest Nov 2024

41 · max 95 ug/L · 83

Copper

1 station · latest Dec 2020

2.35 · max 2.5 ug/L · 2

Lead

1 station · latest Jan 2020

2.1 · max 2.1 ug/L · 1

Source: Water Quality Portal (EPA/USGS/state agencies). Values are as-reported and aren’t health thresholds.

This profile is built from EPA public records for system NC0351070 — 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.