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Water system · PWSID PA5040028

KNOB VUE ESTATES

100
Excellent
PurityRadar safety score

PWSID

PA5040028

State

North Carolina

City

DURHAM

Population served

150

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

No PFAS detections are on record for this system from EPA’s UCMR5 monitoring (2023–25). Absence of a detection isn’t a guarantee — not every system was sampled, and this dataset doesn’t cover other contaminants.

Violations & enforcement

84

Violations on record

0

Unaddressed

2

Health-based

47

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Mar 2026. Official EPA record →

Monitoring & reporting · EPA contaminant 2033 began Apr 2025 Resolved
Monitoring & reporting · EPA contaminant 2063 began Jan 2025 Resolved
Monitoring & reporting · EPA contaminant 2036 began Jul 2024 Resolved
Monitoring & reporting · EPA contaminant 2020 began Jul 2024 Resolved
Monitoring & reporting · EPA contaminant 2033 began Jul 2024 Resolved
Monitoring & reporting · EPA contaminant 2035 began Jul 2024 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jul 2024 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jul 2024 Resolved
Monitoring & reporting · EPA contaminant 2010 began Jul 2024 Resolved
Monitoring & reporting · EPA contaminant 2015 began Jul 2024 Resolved
Monitoring & reporting · EPA contaminant 2032 began Jul 2024 Resolved
Monitoring & reporting · EPA contaminant 2005 began Jul 2024 Resolved

Recent enforcement actions

  • State action · SIF Mar 2026
  • State action · SOX Dec 2025
  • State action · SOX Oct 2025
  • State action · SFJ Aug 2025
  • State action · SIE Aug 2025
  • State action · SFJ May 2025
  • State action · SOX Feb 2025
  • State action · SIE Nov 2024

This profile is built from EPA public records for system PA5040028 — 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.