KNOB CREEK WATER SYSTEM
North Carolina — Community Water System — PWSID: NC0188120
System Information
| PWSID | NC0188120 |
| System Name | KNOB CREEK WATER SYSTEM |
| 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 | Mar 12, 1980 |
| 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 | 445 |
| Service Connections | 175 |
Drinking Water Violations (96)
This water system has 96 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 1, 2025 | — | Other | No | No | — | — | — | Resolved | Jul 2, 2025 | — | |
| Dec 30, 2007 | — | Other | No | No | — | — | — | Resolved | Sep 16, 2010 | — | |
| Dec 30, 2007 | — | Other | No | No | — | — | — | Resolved | Sep 16, 2010 | — | |
| Dec 30, 2007 | — | Other | No | No | — | — | — | Resolved | Sep 16, 2010 | — | |
| Oct 1, 2007 | — | Other | No | No | — | — | — | Resolved | Apr 1, 2008 | — | |
| Oct 1, 2007 | — | Other | No | No | — | — | — | Resolved | Apr 1, 2008 | — | |
| Sep 27, 2007 | — | Other | No | No | — | — | — | Resolved | Sep 16, 2010 | — | |
| Sep 27, 2007 | — | Other | No | No | — | — | — | Resolved | Sep 16, 2010 | — | |
| Sep 27, 2007 | — | Other | No | No | — | — | — | Resolved | Sep 16, 2010 | — | |
| Apr 1, 2007 | Jun 30, 2007 | MR | No | Yes | — | 0.006 mg/L | — | Resolved | Jun 30, 2007 | — | |
| Apr 1, 2007 | Jun 30, 2007 | MR | No | Yes | — | 0.006 mg/L | — | Resolved | Jun 30, 2007 | — | |
| Apr 1, 2007 | Jun 30, 2007 | MR | No | Yes | — | 0.006 mg/L | — | Resolved | Jun 30, 2007 | — | |
| Apr 1, 2007 | Jun 30, 2007 | MR | No | Yes | — | 0.006 mg/L | — | Resolved | Jun 30, 2007 | — | |
| Apr 1, 2007 | Jun 30, 2007 | MR | No | Yes | — | 0.006 mg/L | — | Resolved | Jun 30, 2007 | — | |
| Oct 1, 2006 | Dec 31, 2006 | MR | No | Yes | — | 0.006 mg/L | — | Resolved | Dec 31, 2006 | — | |
| Oct 1, 2006 | Dec 31, 2006 | MR | No | Yes | — | 0.006 mg/L | — | Resolved | Dec 31, 2006 | — | |
| Oct 1, 2006 | Dec 31, 2006 | MR | No | Yes | — | 0.006 mg/L | — | Resolved | Dec 31, 2006 | — | |
| Oct 1, 2006 | Dec 31, 2006 | MR | No | Yes | — | 0.006 mg/L | — | Resolved | Dec 31, 2006 | — | |
| Jul 1, 2006 | Sep 30, 2006 | MR | No | Yes | — | 0.006 mg/L | — | Resolved | Sep 30, 2006 | — | |
| Jul 1, 2006 | Sep 30, 2006 | MR | No | Yes | — | 0.006 mg/L | — | Resolved | Sep 30, 2006 | — | |
| Jul 1, 2006 | Sep 30, 2006 | MR | No | Yes | — | 0.006 mg/L | — | Resolved | Sep 30, 2006 | — | |
| Jul 1, 2006 | Sep 30, 2006 | MR | No | Yes | — | 0.006 mg/L | — | Resolved | Sep 30, 2006 | — | |
| Apr 1, 2006 | Jun 30, 2006 | MR | No | Yes | — | 0.006 mg/L | — | Resolved | Jun 30, 2006 | — | |
| Apr 1, 2006 | Jun 30, 2006 | MR | No | Yes | — | 0.006 mg/L | — | Resolved | Jun 30, 2006 | — | |
| Apr 1, 2006 | Jun 30, 2006 | MR | No | Yes | — | 0.006 mg/L | — | Resolved | Jun 30, 2006 | — | |
| Apr 1, 2006 | Jun 30, 2006 | MR | No | Yes | — | 0.006 mg/L | — | Resolved | Jun 30, 2006 | — | |
| Apr 1, 2006 | Jun 30, 2006 | MR | No | Yes | — | 0.006 mg/L | — | Resolved | Jun 30, 2006 | — | |
| Jul 1, 2005 | — | Other | No | No | — | — | — | Resolved | Jul 11, 2005 | — | |
| Jul 1, 2005 | — | Other | No | No | — | — | — | Resolved | Jul 11, 2005 | — | |
| Jul 1, 2004 | — | Other | No | No | — | — | — | Resolved | Jul 11, 2005 | — | |
| Jul 1, 2004 | — | Other | No | No | — | — | — | Resolved | Jul 11, 2005 | — | |
| Jul 1, 2004 | — | Other | No | No | — | — | — | Resolved | Jul 11, 2005 | — | |
| Jul 1, 2004 | — | Other | No | No | — | — | — | Resolved | Jul 11, 2005 | — | |
| Jul 1, 2003 | — | Other | No | No | — | — | — | Resolved | Aug 1, 2006 | — | |
| Jul 1, 2003 | — | Other | No | No | — | — | — | Resolved | Aug 1, 2006 | — | |
| Jul 1, 2003 | — | Other | No | No | — | — | — | Resolved | Aug 1, 2006 | — | |
| Jul 1, 2002 | — | Other | No | No | — | — | — | Resolved | Aug 1, 2006 | — | |
| Jul 1, 2002 | — | Other | No | No | — | — | — | Resolved | Aug 1, 2006 | — | |
| Jul 1, 2002 | — | Other | No | No | — | — | — | Resolved | Aug 1, 2006 | — | |
| Jan 1, 2002 | Dec 31, 2002 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2002 | — | |
| Jan 1, 2002 | Dec 31, 2002 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2002 | — | |
| Jan 1, 2002 | Dec 31, 2002 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2002 | — | |
| Oct 1, 2001 | — | Other | No | No | — | — | — | Resolved | Dec 30, 2001 | — | |
| Oct 1, 2001 | — | Other | No | No | — | — | — | Resolved | Dec 30, 2001 | — | |
| Oct 1, 2001 | — | Other | No | No | — | — | — | Resolved | Dec 30, 2001 | — | |
| Jul 1, 2001 | — | Other | No | No | — | — | — | Resolved | Aug 1, 2006 | — | |
| Jul 1, 2001 | — | Other | No | No | — | — | — | Resolved | Aug 1, 2006 | — | |
| Jul 1, 2001 | — | Other | No | No | — | — | — | Resolved | Aug 1, 2006 | — | |
| Oct 19, 1999 | — | Other | No | No | — | — | — | Resolved | Jan 13, 2000 | — | |
| Jan 1, 1995 | Dec 31, 1995 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 1995 | — |
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.