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CHESTER

Illinois — Community Water System — PWSID: IL1570100

System Information

PWSIDIL1570100
System NameCHESTER
System TypeCommunity Water System
Water SourceSurface Water
Activity StatusActive
Owner TypeLocal
EPA Region05
Serves SchoolNo
WholesalerNo
First ReportedFeb 13, 1981
Last ReportedDec 4, 2025

Location & Contact

StateIllinois
CityCHESTER
ZIP Code62233
Address1330 Swanwick St
OrganizationBERNEW, BETHANY
Phone618-826-2326

Population & Service

Population Served8,407
Service Connections2,826

Drinking Water Violations (102)

This water system has 102 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
Mar 16, 2013 — Public Notice Other No No — — — Resolved Mar 18, 2013 Public Notice Rule and Revised PN Rule
Mar 16, 2013 — Public Notice Other No No — — — Resolved Mar 18, 2013 Public Notice Rule and Revised PN Rule
Jan 1, 2013 Jan 31, 2013 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Jan 31, 2013 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jan 1, 2013 Jan 31, 2013 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Jan 31, 2013 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jan 1, 2013 Jan 31, 2013 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Jan 31, 2013 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jan 1, 2013 Jan 31, 2013 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Jan 31, 2013 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jan 1, 2013 Jan 31, 2013 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Jan 31, 2013 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Feb 1, 2012 Feb 29, 2012 Coliform (TCR) MR No No — 5% of samples — Resolved Feb 29, 2012 Total Coliform Rule
Feb 1, 2012 Feb 29, 2012 Coliform (TCR) MR No No — 5% of samples — Resolved Feb 29, 2012 Total Coliform Rule
Feb 1, 2012 Feb 29, 2012 Coliform (TCR) MR No No — 5% of samples — Resolved Feb 29, 2012 Total Coliform Rule
Feb 1, 2012 Feb 29, 2012 Coliform (TCR) MR No No — 5% of samples — Resolved Feb 29, 2012 Total Coliform Rule
Jan 1, 2012 Mar 31, 2012 CARBON, TOTAL TT Yes No — TT — Resolved Mar 31, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2012 Mar 31, 2012 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 21, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2012 Mar 31, 2012 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 21, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2012 Mar 31, 2012 CARBON, TOTAL TT Yes No — TT — Resolved Mar 31, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2012 Mar 31, 2012 CARBON, TOTAL TT Yes No — TT — Resolved Mar 31, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2012 Mar 31, 2012 CARBON, TOTAL TT Yes No — TT — Resolved Mar 31, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2012 Mar 31, 2012 CARBON, TOTAL TT Yes No — TT — Resolved Mar 31, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2012 Mar 31, 2012 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 21, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2012 Mar 31, 2012 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 21, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2011 Jun 30, 2011 Chlorine MR No No — 4.0 mg/L — Resolved Jun 30, 2011 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2011 Jun 30, 2011 Chlorine MR No No — 4.0 mg/L — Resolved Jun 30, 2011 Stage 1 Disinfectants and Disinfection Byproducts Rule
Mar 1, 2008 Mar 31, 2008 Surface Water Treatment Rule TT Yes No — — — Resolved Mar 31, 2008 Surface Water Treatment Rule
Mar 1, 2008 Mar 31, 2008 Surface Water Treatment Rule TT Yes No — — — Resolved Mar 31, 2008 Surface Water Treatment Rule
Mar 1, 2008 Mar 31, 2008 Surface Water Treatment Rule TT Yes No — — — Resolved Mar 31, 2008 Surface Water Treatment Rule
Mar 1, 2008 Mar 31, 2008 Surface Water Treatment Rule TT Yes No — — — Resolved Mar 31, 2008 Surface Water Treatment Rule
Mar 1, 2008 Mar 31, 2008 Surface Water Treatment Rule TT Yes No — — — Resolved Mar 31, 2008 Surface Water Treatment Rule
Mar 1, 2008 Mar 31, 2008 Surface Water Treatment Rule TT Yes No — — — Resolved Mar 31, 2008 Surface Water Treatment Rule
Feb 1, 2008 Feb 29, 2008 Surface Water Treatment Rule TT Yes No — — — Resolved Feb 29, 2008 Surface Water Treatment Rule
Feb 1, 2008 Feb 29, 2008 Surface Water Treatment Rule TT Yes No — — — Resolved Feb 29, 2008 Surface Water Treatment Rule
Feb 1, 2008 Feb 29, 2008 Surface Water Treatment Rule TT Yes No — — — Resolved Feb 29, 2008 Surface Water Treatment Rule
Feb 1, 2008 Feb 29, 2008 Surface Water Treatment Rule TT Yes No — — — Resolved Feb 29, 2008 Surface Water Treatment Rule
Feb 1, 2008 Feb 29, 2008 Surface Water Treatment Rule TT Yes No — — — Resolved Feb 29, 2008 Surface Water Treatment Rule
Feb 1, 2008 Feb 29, 2008 Surface Water Treatment Rule TT Yes No — — — Resolved Feb 29, 2008 Surface Water Treatment Rule
Nov 9, 2003 — Public Notice Other No No — — — Resolved Mar 15, 2004 Public Notice Rule and Revised PN Rule
Nov 9, 2003 — Public Notice Other No No — — — Resolved Mar 15, 2004 Public Notice Rule and Revised PN Rule
Nov 9, 2003 — Public Notice Other No No — — — Resolved Mar 15, 2004 Public Notice Rule and Revised PN Rule
Nov 9, 2003 — Public Notice Other No No — — — Resolved Mar 15, 2004 Public Notice Rule and Revised PN Rule
Aug 1, 2003 Aug 31, 2003 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Aug 18, 2003 Total Coliform Rule
Aug 1, 2003 Aug 31, 2003 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Aug 18, 2003 Total Coliform Rule
Aug 1, 2003 Aug 31, 2003 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Aug 18, 2003 Total Coliform Rule
Aug 1, 2003 Aug 31, 2003 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Aug 18, 2003 Total Coliform Rule
Aug 1, 2003 Aug 31, 2003 Coliform (TCR) MCL Yes No — 5% of samples — Archived Aug 31, 2003 Total Coliform Rule
Aug 1, 2003 Aug 31, 2003 Coliform (TCR) MCL Yes No — 5% of samples — Archived Aug 31, 2003 Total Coliform Rule
Aug 1, 2003 Aug 31, 2003 Coliform (TCR) MCL Yes No — 5% of samples — Archived Aug 31, 2003 Total Coliform Rule
May 1, 2000 May 31, 2000 Surface Water Treatment Rule MR No Yes — — — Archived May 31, 2000 Surface Water Treatment Rule
May 1, 2000 May 31, 2000 Surface Water Treatment Rule MR No Yes — — — Archived May 31, 2000 Surface Water Treatment Rule
Apr 1, 2000 Apr 30, 2000 Surface Water Treatment Rule MR No Yes — — — Archived Apr 30, 2000 Surface Water Treatment Rule
Apr 1, 2000 Apr 30, 2000 Surface Water Treatment Rule MR No Yes — — — Archived Apr 30, 2000 Surface Water Treatment Rule
Mar 1, 2000 Mar 31, 2000 Surface Water Treatment Rule MR No Yes — — — Archived Mar 31, 2000 Surface Water Treatment 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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