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Water system · PWSID NC0465199

THE CAPE MASTER SYSTEM

CARY, NC · ~11,587 people served

Check your exact address → CARY overview
95
Excellent
PurityRadar safety score

PWSID

NC0465199

State

North Carolina

City

CARY

Population served

11,587

Primary source

Groundwater

Score history

▼ 5 points — the score moved from 100 to 95 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 95

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

GenX (HFPO-DA)

GenX (HFPO-DA)

8.4 ppt

limit 10 ppt

Near EPA limit

Lithium

15,300 ppt

limit —

No federal limit

PFBS

4.6 ppt

limit —

No federal limit

Violations & enforcement

56

Violations on record

0

Unaddressed

9

Health-based

69

Enforcement actions

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

Other · EPA contaminant 7000 began Jul 2024 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jan 2020 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Oct 2019 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jul 2019 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Apr 2019 Resolved
Monitoring & reporting · EPA contaminant 0999 began Jul 2018 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jul 2017 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Apr 2017 Resolved
Other · EPA contaminant 7500 began Apr 2010 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jan 2010 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Oct 2009 Resolved
Other · EPA contaminant 7500 began Jan 2008 Resolved

Recent enforcement actions

  • State action · SOX Dec 2024
  • State action · SFJ Nov 2024
  • State action · SFL Nov 2024
  • State action · SOX Jun 2020
  • State action · SIF May 2020
  • State action · SFJ Apr 2020
  • State action · SIE Apr 2020
  • State action · SIF Jan 2020

This profile is built from EPA public records for system NC0465199 — 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.