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Water system · PWSID NC7071018

CASTLE BAY S/D

CARY, NC · ~777 people served

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

PWSID

NC7071018

State

North Carolina

City

CARY

Population served

777

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

52

Violations on record

0

Unaddressed

18

Health-based

109

Enforcement actions

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

Reporting · Lead & Copper Rule began Jan 2024 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Sep 2022 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Sep 2022 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Oct 2013 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jul 2013 Resolved
Max contaminant level (MCL) · Haloacetic acids (HAA5) health-based began Jul 2013 Resolved
Max contaminant level (MCL) · Haloacetic acids (HAA5) health-based began Apr 2013 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Apr 2013 Resolved
Max contaminant level (MCL) · Haloacetic acids (HAA5) health-based began Jan 2010 Resolved
Max contaminant level (MCL) · Haloacetic acids (HAA5) health-based began Apr 2008 Resolved
Max contaminant level (MCL) · Haloacetic acids (HAA5) health-based began Jan 2008 Resolved
Max contaminant level (MCL) · Haloacetic acids (HAA5) health-based began Oct 2007 Resolved

Recent enforcement actions

  • State action · SOX Aug 2024
  • State action · SIF Jun 2024
  • State action · SIF Jun 2024
  • State action · SFJ Mar 2024
  • State action · SFL Mar 2024
  • State action · SIE Mar 2024
  • State action · SOX Jan 2024
  • State action · SFO Nov 2023

This profile is built from EPA public records for system NC7071018 — 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.