KNOB CREEK WATER SYSTEM

North Carolina — Community Water System — PWSID: NC0188120

System Information

PWSIDNC0188120
System NameKNOB CREEK WATER SYSTEM
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypePrivate
EPA Region04
Serves SchoolNo
WholesalerNo
First ReportedMar 12, 1980
Last ReportedDec 19, 2025

Location & Contact

StateNorth Carolina
CityCARY
ZIP Code27511
Address202 MACKENAN COURT
OrganizationMILLIRON, BRENT
Phone919-653-6999

Population & Service

Population Served445
Service Connections175

Drinking Water Violations (51)

This water system has 51 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 Consumer Confidence Rule Other No No Resolved Jul 2, 2025 Consumer Confidence Rule
Dec 30, 2007 Public Notice Other No No Resolved Sep 16, 2010 Public Notice Rule and Revised PN Rule
Dec 30, 2007 Public Notice Other No No Resolved Sep 16, 2010 Public Notice Rule and Revised PN Rule
Dec 30, 2007 Public Notice Other No No Resolved Sep 16, 2010 Public Notice Rule and Revised PN Rule
Oct 1, 2007 Consumer Confidence Rule Other No No Resolved Apr 1, 2008 Consumer Confidence Rule
Oct 1, 2007 Consumer Confidence Rule Other No No Resolved Apr 1, 2008 Consumer Confidence Rule
Sep 27, 2007 Public Notice Other No No Resolved Sep 16, 2010 Public Notice Rule and Revised PN Rule
Sep 27, 2007 Public Notice Other No No Resolved Sep 16, 2010 Public Notice Rule and Revised PN Rule
Sep 27, 2007 Public Notice Other No No Resolved Sep 16, 2010 Public Notice Rule and Revised PN Rule
Apr 1, 2007 Jun 30, 2007 Di(2-ethylhexyl) phthalate MR No Yes 0.006 mg/L Resolved Jun 30, 2007 Synthetic Organic Chemicals
Apr 1, 2007 Jun 30, 2007 Di(2-ethylhexyl) phthalate MR No Yes 0.006 mg/L Resolved Jun 30, 2007 Synthetic Organic Chemicals
Apr 1, 2007 Jun 30, 2007 Di(2-ethylhexyl) phthalate MR No Yes 0.006 mg/L Resolved Jun 30, 2007 Synthetic Organic Chemicals
Apr 1, 2007 Jun 30, 2007 Di(2-ethylhexyl) phthalate MR No Yes 0.006 mg/L Resolved Jun 30, 2007 Synthetic Organic Chemicals
Apr 1, 2007 Jun 30, 2007 Di(2-ethylhexyl) phthalate MR No Yes 0.006 mg/L Resolved Jun 30, 2007 Synthetic Organic Chemicals
Oct 1, 2006 Dec 31, 2006 Di(2-ethylhexyl) phthalate MR No Yes 0.006 mg/L Resolved Dec 31, 2006 Synthetic Organic Chemicals
Oct 1, 2006 Dec 31, 2006 Di(2-ethylhexyl) phthalate MR No Yes 0.006 mg/L Resolved Dec 31, 2006 Synthetic Organic Chemicals
Oct 1, 2006 Dec 31, 2006 Di(2-ethylhexyl) phthalate MR No Yes 0.006 mg/L Resolved Dec 31, 2006 Synthetic Organic Chemicals
Oct 1, 2006 Dec 31, 2006 Di(2-ethylhexyl) phthalate MR No Yes 0.006 mg/L Resolved Dec 31, 2006 Synthetic Organic Chemicals
Jul 1, 2006 Sep 30, 2006 Di(2-ethylhexyl) phthalate MR No Yes 0.006 mg/L Resolved Sep 30, 2006 Synthetic Organic Chemicals
Jul 1, 2006 Sep 30, 2006 Di(2-ethylhexyl) phthalate MR No Yes 0.006 mg/L Resolved Sep 30, 2006 Synthetic Organic Chemicals
Jul 1, 2006 Sep 30, 2006 Di(2-ethylhexyl) phthalate MR No Yes 0.006 mg/L Resolved Sep 30, 2006 Synthetic Organic Chemicals
Jul 1, 2006 Sep 30, 2006 Di(2-ethylhexyl) phthalate MR No Yes 0.006 mg/L Resolved Sep 30, 2006 Synthetic Organic Chemicals
Apr 1, 2006 Jun 30, 2006 Di(2-ethylhexyl) phthalate MR No Yes 0.006 mg/L Resolved Jun 30, 2006 Synthetic Organic Chemicals
Apr 1, 2006 Jun 30, 2006 Di(2-ethylhexyl) phthalate MR No Yes 0.006 mg/L Resolved Jun 30, 2006 Synthetic Organic Chemicals
Apr 1, 2006 Jun 30, 2006 Di(2-ethylhexyl) phthalate MR No Yes 0.006 mg/L Resolved Jun 30, 2006 Synthetic Organic Chemicals
Apr 1, 2006 Jun 30, 2006 Di(2-ethylhexyl) phthalate MR No Yes 0.006 mg/L Resolved Jun 30, 2006 Synthetic Organic Chemicals
Apr 1, 2006 Jun 30, 2006 Di(2-ethylhexyl) phthalate MR No Yes 0.006 mg/L Resolved Jun 30, 2006 Synthetic Organic Chemicals
Jul 1, 2005 Consumer Confidence Rule Other No No Resolved Jul 11, 2005 Consumer Confidence Rule
Jul 1, 2005 Consumer Confidence Rule Other No No Resolved Jul 11, 2005 Consumer Confidence Rule
Jul 1, 2003 Consumer Confidence Rule Other No No Resolved Aug 1, 2006 Consumer Confidence Rule
Jul 1, 2002 Consumer Confidence Rule Other No No Resolved Aug 1, 2006 Consumer Confidence Rule
Oct 1, 2001 Consumer Confidence Rule Other No No Resolved Dec 30, 2001 Consumer Confidence Rule
Oct 1, 2001 Consumer Confidence Rule Other No No Resolved Dec 30, 2001 Consumer Confidence Rule
Jul 1, 2001 Consumer Confidence Rule Other No No Resolved Aug 1, 2006 Consumer Confidence Rule
Jan 1, 1995 Dec 31, 1995 Nitrate MR No Yes 10 mg/L Resolved Dec 31, 1995 Nitrate Rule
Jan 1, 1993 Dec 31, 1993 Nitrate MR No Yes 10 mg/L Resolved Dec 31, 1993 Nitrate Rule
Jan 1, 1993 Dec 31, 1993 Nitrate MR No Yes 10 mg/L Resolved Dec 31, 1993 Nitrate Rule
Jan 1, 1993 Dec 31, 1993 Nitrate MR No Yes 10 mg/L Archived Dec 31, 1993 Nitrate Rule
Jan 1, 1993 Dec 31, 1993 Nitrate MR No Yes 10 mg/L Resolved Dec 31, 1993 Nitrate Rule
Jun 24, 1980 Sep 23, 1981 Cadmium MR No No 0.005 mg/L Archived Sep 23, 1981 Inorganic Chemicals
Jun 24, 1980 Sep 23, 1981 Chromium MR No No 0.1 mg/L Archived Sep 23, 1981 Inorganic Chemicals
Jun 24, 1980 Sep 23, 1981 Barium MR No No 2 mg/L Archived Sep 23, 1981 Inorganic Chemicals
Jun 24, 1980 Sep 23, 1981 Fluoride MR No No 4.0 mg/L Archived Sep 23, 1981 Inorganic Chemicals
Jun 24, 1980 Sep 23, 1981 Selenium MR No No 0.05 mg/L Archived Sep 23, 1981 Inorganic Chemicals
Jun 24, 1980 Sep 23, 1981 Arsenic MR No No 0.010 mg/L Archived Sep 23, 1981 Arsenic Rule
Jun 24, 1980 Sep 23, 1981 Mercury MR No No 0.002 mg/L Archived Sep 23, 1981 Inorganic Chemicals
Jun 24, 1980 Sep 23, 1981 Nitrate MR No No 10 mg/L Archived Sep 23, 1981 Nitrate Rule
No No
No No
No No

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.

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