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KNOXVILLE

Illinois — Community Water System — PWSID: IL0950300

System Information

PWSIDIL0950300
System NameKNOXVILLE
System TypeCommunity Water System
Water SourceGround Water Purchased
Activity StatusActive
Owner TypeLocal
EPA Region05
Serves SchoolNo
WholesalerNo
First ReportedFeb 13, 1981
Last ReportedDec 4, 2025

Location & Contact

StateIllinois
CityKNOXVILLE
ZIP Code61448
AddressCITY HALL
OrganizationJOHNSON, MICHAEL A.
Phone309-289-2512

Population & Service

Population Served3,120
Service Connections1,320

Drinking Water Violations (330)

This water system has 330 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
Dec 3, 2023 — Consumer Confidence Rule Other No No — — — Resolved May 16, 2024 Consumer Confidence Rule
Dec 3, 2023 — Consumer Confidence Rule Other No No — — — Resolved May 16, 2024 Consumer Confidence Rule
Aug 1, 2007 Aug 31, 2007 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Aug 31, 2007 Total Coliform Rule
Aug 1, 2007 Aug 31, 2007 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Aug 31, 2007 Total Coliform Rule
Aug 1, 2007 Aug 31, 2007 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Aug 31, 2007 Total Coliform Rule
Aug 1, 2007 Aug 31, 2007 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Aug 31, 2007 Total Coliform Rule
Jan 1, 2004 Mar 31, 2004 Combined Radium (-226 and -228) MCL Yes No 7 5 pCi/L — Resolved Mar 31, 2004 Radionuclides and Revised Rad Rule
Jan 1, 2004 Mar 31, 2004 Combined Radium (-226 and -228) MCL Yes No 7 5 pCi/L — Resolved Mar 31, 2004 Radionuclides and Revised Rad Rule
Jan 1, 2004 Mar 31, 2004 Combined Radium (-226 and -228) MCL Yes No 7 5 pCi/L — Resolved Mar 31, 2004 Radionuclides and Revised Rad Rule
Jan 1, 2004 Mar 31, 2004 Combined Radium (-226 and -228) MCL Yes No 7 5 pCi/L — Resolved Mar 31, 2004 Radionuclides and Revised Rad Rule
Jan 1, 2004 Mar 31, 2004 Combined Radium (-226 and -228) MCL Yes No 7 5 pCi/L — Resolved Mar 31, 2004 Radionuclides and Revised Rad Rule
Jan 1, 2004 Mar 31, 2004 Combined Radium (-226 and -228) MCL Yes No 7 5 pCi/L — Resolved Mar 31, 2004 Radionuclides and Revised Rad Rule
Oct 1, 2003 Dec 31, 2003 Combined Radium (-226 and -228) MCL Yes No 7 5 pCi/L — Resolved Dec 31, 2003 Radionuclides and Revised Rad Rule
Oct 1, 2003 Dec 31, 2003 Combined Radium (-226 and -228) MCL Yes No 7 5 pCi/L — Resolved Dec 31, 2003 Radionuclides and Revised Rad Rule
Oct 1, 2003 Dec 31, 2003 Combined Radium (-226 and -228) MCL Yes No 7 5 pCi/L — Resolved Dec 31, 2003 Radionuclides and Revised Rad Rule
Oct 1, 2003 Dec 31, 2003 Combined Radium (-226 and -228) MCL Yes No 7 5 pCi/L — Resolved Dec 31, 2003 Radionuclides and Revised Rad Rule
Oct 1, 2003 Dec 31, 2003 Combined Radium (-226 and -228) MCL Yes No 7 5 pCi/L — Resolved Dec 31, 2003 Radionuclides and Revised Rad Rule
Oct 1, 2003 Dec 31, 2003 Combined Radium (-226 and -228) MCL Yes No 7 5 pCi/L — Resolved Dec 31, 2003 Radionuclides and Revised Rad Rule
Jul 1, 2003 Sep 30, 2003 Combined Radium (-226 and -228) MCL Yes No 8.4 5 pCi/L — Resolved Sep 30, 2003 Radionuclides and Revised Rad Rule
Jul 1, 2003 Sep 30, 2003 Combined Radium (-226 and -228) MCL Yes No 8.4 5 pCi/L — Resolved Sep 30, 2003 Radionuclides and Revised Rad Rule
Jul 1, 2003 Sep 30, 2003 Combined Radium (-226 and -228) MCL Yes No 8.4 5 pCi/L — Resolved Sep 30, 2003 Radionuclides and Revised Rad Rule
Jul 1, 2003 Sep 30, 2003 Combined Radium (-226 and -228) MCL Yes No 8.4 5 pCi/L — Resolved Sep 30, 2003 Radionuclides and Revised Rad Rule
Jul 1, 2003 Sep 30, 2003 Combined Radium (-226 and -228) MCL Yes No 8.4 5 pCi/L — Resolved Sep 30, 2003 Radionuclides and Revised Rad Rule
Jul 1, 2003 Sep 30, 2003 Combined Radium (-226 and -228) MCL Yes No 8.4 5 pCi/L — Resolved Sep 30, 2003 Radionuclides and Revised Rad Rule
Apr 1, 2003 Jun 30, 2003 Combined Radium (-226 and -228) MCL Yes No 9.43 5 pCi/L — Resolved Jun 30, 2003 Radionuclides and Revised Rad Rule
Apr 1, 2003 Jun 30, 2003 Combined Radium (-226 and -228) MCL Yes No 9.43 5 pCi/L — Resolved Jun 30, 2003 Radionuclides and Revised Rad Rule
Apr 1, 2003 Jun 30, 2003 Combined Radium (-226 and -228) MCL Yes No 9.43 5 pCi/L — Resolved Jun 30, 2003 Radionuclides and Revised Rad Rule
Apr 1, 2003 Jun 30, 2003 Combined Radium (-226 and -228) MCL Yes No 9.43 5 pCi/L — Resolved Jun 30, 2003 Radionuclides and Revised Rad Rule
Apr 1, 2003 Jun 30, 2003 Combined Radium (-226 and -228) MCL Yes No 9.43 5 pCi/L — Resolved Jun 30, 2003 Radionuclides and Revised Rad Rule
Apr 1, 2003 Jun 30, 2003 Combined Radium (-226 and -228) MCL Yes No 9.43 5 pCi/L — Resolved Jun 30, 2003 Radionuclides and Revised Rad Rule
Jan 1, 2003 Mar 31, 2003 Combined Radium (-226 and -228) MCL Yes No 9.43 5 pCi/L — Resolved Mar 31, 2003 Radionuclides and Revised Rad Rule
Jan 1, 2003 Mar 31, 2003 Combined Radium (-226 and -228) MCL Yes No 9.43 5 pCi/L — Resolved Mar 31, 2003 Radionuclides and Revised Rad Rule
Jan 1, 2003 Mar 31, 2003 Combined Radium (-226 and -228) MCL Yes No 9.43 5 pCi/L — Resolved Mar 31, 2003 Radionuclides and Revised Rad Rule
Jan 1, 2003 Mar 31, 2003 Combined Radium (-226 and -228) MCL Yes No 9.43 5 pCi/L — Resolved Mar 31, 2003 Radionuclides and Revised Rad Rule
Jan 1, 2003 Mar 31, 2003 Combined Radium (-226 and -228) MCL Yes No 9.43 5 pCi/L — Resolved Mar 31, 2003 Radionuclides and Revised Rad Rule
Jan 1, 2003 Mar 31, 2003 Combined Radium (-226 and -228) MCL Yes No 9.43 5 pCi/L — Resolved Mar 31, 2003 Radionuclides and Revised Rad Rule
Oct 1, 2002 Dec 31, 2002 Combined Radium (-226 and -228) MCL Yes No 9.43 5 pCi/L — Resolved Dec 31, 2002 Radionuclides and Revised Rad Rule
Oct 1, 2002 Dec 31, 2002 Combined Radium (-226 and -228) MCL Yes No 9.43 5 pCi/L — Resolved Dec 31, 2002 Radionuclides and Revised Rad Rule
Oct 1, 2002 Dec 31, 2002 Combined Radium (-226 and -228) MCL Yes No 9.43 5 pCi/L — Resolved Dec 31, 2002 Radionuclides and Revised Rad Rule
Oct 1, 2002 Dec 31, 2002 Combined Radium (-226 and -228) MCL Yes No 9.43 5 pCi/L — Resolved Dec 31, 2002 Radionuclides and Revised Rad Rule
Oct 1, 2002 Dec 31, 2002 Combined Radium (-226 and -228) MCL Yes No 9.43 5 pCi/L — Resolved Dec 31, 2002 Radionuclides and Revised Rad Rule
Oct 1, 2002 Dec 31, 2002 Combined Radium (-226 and -228) MCL Yes No 9.43 5 pCi/L — Resolved Dec 31, 2002 Radionuclides and Revised Rad Rule
Jun 1, 2002 Sep 30, 2002 Gross Alpha, Excl. Radon and U MCL Yes No 28.6 15 pCi/L — Resolved Sep 30, 2002 Radionuclides and Revised Rad Rule
Jun 1, 2002 Sep 30, 2002 Gross Alpha, Excl. Radon and U MCL Yes No 28.6 15 pCi/L — Resolved Sep 30, 2002 Radionuclides and Revised Rad Rule
Jun 1, 2002 Sep 30, 2002 Gross Alpha, Excl. Radon and U MCL Yes No 28.6 15 pCi/L — Resolved Sep 30, 2002 Radionuclides and Revised Rad Rule
Jun 1, 2002 Sep 30, 2002 Gross Alpha, Excl. Radon and U MCL Yes No 28.6 15 pCi/L — Resolved Sep 30, 2002 Radionuclides and Revised Rad Rule
Jun 1, 2002 Sep 30, 2002 Gross Alpha, Excl. Radon and U MCL Yes No 28.6 15 pCi/L — Resolved Sep 30, 2002 Radionuclides and Revised Rad Rule
Jun 1, 2002 Sep 30, 2002 Gross Alpha, Excl. Radon and U MCL Yes No 28.6 15 pCi/L — Resolved Sep 30, 2002 Radionuclides and Revised Rad Rule
Dec 1, 2001 Sep 30, 2002 Combined Radium (-226 and -228) MCL Yes No 6.3 5 pCi/L — Resolved Sep 30, 2002 Radionuclides and Revised Rad Rule
Dec 1, 2001 Sep 30, 2002 Combined Radium (-226 and -228) MCL Yes No 6.3 5 pCi/L — Resolved Sep 30, 2002 Radionuclides and Revised Rad Rule

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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