CASTLE BAY S/D
North Carolina — Community Water System — PWSID: NC7071018
System Information
| PWSID | NC7071018 |
| System Name | CASTLE BAY S/D |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 04 |
| Serves School | No |
| Wholesaler | No |
| First Reported | May 24, 2003 |
| Last Reported | Mar 26, 2026 |
Location & Contact
| State | North Carolina |
| City | CARY |
| ZIP Code | 27511 |
| Address | 202 MACKENAN COURT |
| Organization | MILLIRON, BRENT |
| Phone | 919-653-6999 |
Population & Service
| Population Served | 777 |
| Service Connections | 306 |
Drinking Water Violations (196)
This water system has 196 violations recorded in the EPA SDWIS database.
| Begin Date | End Date | Contaminant | Category | Health-Based | Major | Measured | Federal MCL | State MCL | Status | Return to Compliance | Rule |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan 11, 2024 | — | RPT | No | No | — | — | — | Resolved | Jan 30, 2024 | — | |
| Jan 11, 2024 | — | RPT | No | No | — | — | — | Resolved | Jan 30, 2024 | — | |
| Jan 11, 2024 | — | RPT | No | No | — | — | — | Resolved | Jan 30, 2024 | — | |
| Jan 11, 2024 | — | RPT | No | No | — | — | — | Resolved | Jan 30, 2024 | — | |
| Jan 11, 2024 | — | RPT | No | No | — | — | — | Resolved | Jan 30, 2024 | — | |
| Sep 1, 2022 | Aug 31, 2023 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Aug 31, 2023 | — | |
| Sep 1, 2022 | Aug 31, 2023 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Aug 31, 2023 | — | |
| Sep 1, 2022 | Aug 31, 2023 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Aug 31, 2023 | — | |
| Sep 1, 2022 | Aug 31, 2023 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Aug 31, 2023 | — | |
| Sep 1, 2022 | Aug 31, 2023 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Aug 31, 2023 | — | |
| Sep 1, 2022 | Aug 31, 2023 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Aug 31, 2023 | — | |
| Sep 1, 2022 | Aug 31, 2023 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Aug 31, 2023 | — | |
| Sep 1, 2022 | Aug 31, 2023 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Aug 31, 2023 | — | |
| Sep 1, 2022 | Aug 31, 2023 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Aug 31, 2023 | — | |
| Sep 1, 2022 | Aug 31, 2023 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Aug 31, 2023 | — | |
| Sep 1, 2022 | Aug 31, 2023 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Aug 31, 2023 | — | |
| Oct 1, 2013 | Dec 31, 2013 | MCL | Yes | No | .085 MG/L | 0.080 mg/L | .08 | Resolved | Dec 31, 2013 | — | |
| Oct 1, 2013 | Dec 31, 2013 | MCL | Yes | No | .085 MG/L | 0.080 mg/L | .08 | Resolved | Dec 31, 2013 | — | |
| Oct 1, 2013 | Dec 31, 2013 | MCL | Yes | No | .085 MG/L | 0.080 mg/L | .08 | Resolved | Dec 31, 2013 | — | |
| Oct 1, 2013 | Dec 31, 2013 | MCL | Yes | No | .085 MG/L | 0.080 mg/L | .08 | Resolved | Dec 31, 2013 | — | |
| Oct 1, 2013 | Dec 31, 2013 | MCL | Yes | No | .085 MG/L | 0.080 mg/L | .08 | Resolved | Dec 31, 2013 | — | |
| Jul 1, 2013 | Sep 30, 2013 | MCL | Yes | No | .09 MG/L | 0.080 mg/L | .08 | Resolved | Sep 30, 2013 | — | |
| Jul 1, 2013 | Sep 30, 2013 | MCL | Yes | No | .09 MG/L | 0.080 mg/L | .08 | Resolved | Sep 30, 2013 | — | |
| Jul 1, 2013 | Sep 30, 2013 | MCL | Yes | No | .09 MG/L | 0.080 mg/L | .08 | Resolved | Sep 30, 2013 | — | |
| Jul 1, 2013 | Sep 30, 2013 | MCL | Yes | No | .065 MG/L | 0.060 mg/L | .06 | Resolved | Sep 30, 2013 | — | |
| Jul 1, 2013 | Sep 30, 2013 | MCL | Yes | No | .09 MG/L | 0.080 mg/L | .08 | Resolved | Sep 30, 2013 | — | |
| Jul 1, 2013 | Sep 30, 2013 | MCL | Yes | No | .065 MG/L | 0.060 mg/L | .06 | Resolved | Sep 30, 2013 | — | |
| Jul 1, 2013 | Sep 30, 2013 | MCL | Yes | No | .065 MG/L | 0.060 mg/L | .06 | Resolved | Sep 30, 2013 | — | |
| Jul 1, 2013 | Sep 30, 2013 | MCL | Yes | No | .065 MG/L | 0.060 mg/L | .06 | Resolved | Sep 30, 2013 | — | |
| Jul 1, 2013 | Sep 30, 2013 | MCL | Yes | No | .065 MG/L | 0.060 mg/L | .06 | Resolved | Sep 30, 2013 | — | |
| Jul 1, 2013 | Sep 30, 2013 | MCL | Yes | No | .09 MG/L | 0.080 mg/L | .08 | Resolved | Sep 30, 2013 | — | |
| Apr 1, 2013 | Jun 30, 2013 | MCL | Yes | No | .087 MG/L | 0.080 mg/L | .08 | Resolved | Jun 30, 2013 | — | |
| Apr 1, 2013 | Jun 30, 2013 | MCL | Yes | No | .087 MG/L | 0.080 mg/L | .08 | Resolved | Jun 30, 2013 | — | |
| Apr 1, 2013 | Jun 30, 2013 | MCL | Yes | No | .087 MG/L | 0.080 mg/L | .08 | Resolved | Jun 30, 2013 | — | |
| Apr 1, 2013 | Jun 30, 2013 | MCL | Yes | No | .066 MG/L | 0.060 mg/L | .06 | Resolved | Jun 30, 2013 | — | |
| Apr 1, 2013 | Jun 30, 2013 | MCL | Yes | No | .066 MG/L | 0.060 mg/L | .06 | Resolved | Jun 30, 2013 | — | |
| Apr 1, 2013 | Jun 30, 2013 | MCL | Yes | No | .087 MG/L | 0.080 mg/L | .08 | Resolved | Jun 30, 2013 | — | |
| Apr 1, 2013 | Jun 30, 2013 | MCL | Yes | No | .087 MG/L | 0.080 mg/L | .08 | Resolved | Jun 30, 2013 | — | |
| Apr 1, 2013 | Jun 30, 2013 | MCL | Yes | No | .066 MG/L | 0.060 mg/L | .06 | Resolved | Jun 30, 2013 | — | |
| Apr 1, 2013 | Jun 30, 2013 | MCL | Yes | No | .066 MG/L | 0.060 mg/L | .06 | Resolved | Jun 30, 2013 | — | |
| Apr 1, 2013 | Jun 30, 2013 | MCL | Yes | No | .066 MG/L | 0.060 mg/L | .06 | Resolved | Jun 30, 2013 | — | |
| Jan 1, 2010 | Mar 31, 2010 | MCL | Yes | No | .065 MG/L | 0.060 mg/L | .06 | Resolved | Mar 31, 2010 | — | |
| Jan 1, 2010 | Mar 31, 2010 | MCL | Yes | No | .065 MG/L | 0.060 mg/L | .06 | Resolved | Mar 31, 2010 | — | |
| Jan 1, 2010 | Mar 31, 2010 | MCL | Yes | No | .065 MG/L | 0.060 mg/L | .06 | Resolved | Mar 31, 2010 | — | |
| Jan 1, 2010 | Mar 31, 2010 | MCL | Yes | No | .065 MG/L | 0.060 mg/L | .06 | Resolved | Mar 31, 2010 | — | |
| Jan 1, 2010 | Mar 31, 2010 | MCL | Yes | No | .065 MG/L | 0.060 mg/L | .06 | Resolved | Mar 31, 2010 | — | |
| Apr 1, 2008 | Jun 30, 2008 | MCL | Yes | No | .065 MG/L | 0.060 mg/L | .06 | Resolved | Jun 30, 2008 | — | |
| Apr 1, 2008 | Jun 30, 2008 | MCL | Yes | No | .065 MG/L | 0.060 mg/L | .06 | Resolved | Jun 30, 2008 | — | |
| Apr 1, 2008 | Jun 30, 2008 | MCL | Yes | No | .065 MG/L | 0.060 mg/L | .06 | Resolved | Jun 30, 2008 | — | |
| Apr 1, 2008 | Jun 30, 2008 | MCL | Yes | No | .065 MG/L | 0.060 mg/L | .06 | Resolved | Jun 30, 2008 | — |
About This Water System
Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.