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TONICA

Illinois — Community Water System — PWSID: IL0991150

System Information

PWSIDIL0991150
System NameTONICA
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeLocal
EPA Region05
Serves SchoolNo
WholesalerNo
First ReportedFeb 13, 1981
Last ReportedFeb 26, 2026

Location & Contact

StateIllinois
CityTONICA
ZIP Code61370
Address308 Uncas St
OrganizationSKINNER, ERIC
Phone815-343-6739

Population & Service

Population Served705
Service Connections340

Drinking Water Violations (129)

This water system has 129 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, 2013 — Other No No — — — Resolved May 31, 2014 —
Jul 1, 2013 — Other No No — — — Resolved May 31, 2014 —
May 1, 2012 May 31, 2012 MR No No — 5% of samples — Resolved May 31, 2012 —
May 1, 2012 May 31, 2012 MR No No — 5% of samples — Resolved May 31, 2012 —
May 1, 2012 May 31, 2012 MR No No — 5% of samples — Resolved May 31, 2012 —
May 1, 2012 May 31, 2012 MR No No — 5% of samples — Resolved May 31, 2012 —
Apr 1, 2012 Jun 30, 2012 MR No Yes — 4.0 mg/L — Resolved Jun 20, 2012 —
Apr 1, 2012 Jun 30, 2012 MR No Yes — 4.0 mg/L — Resolved Jun 20, 2012 —
Jan 1, 2011 Dec 31, 2013 MCL Yes No 2 MG/L 1 mg/L 1 Resolved Jun 27, 2012 —
Jan 1, 2011 Dec 31, 2013 MCL Yes No 2 MG/L 1 mg/L 1 Resolved Jun 27, 2012 —
Jan 1, 2011 Dec 31, 2013 MCL Yes No 2 MG/L 1 mg/L 1 Resolved Jun 27, 2012 —
Jan 1, 2011 Dec 31, 2013 MCL Yes No 2 MG/L 1 mg/L 1 Resolved Jun 27, 2012 —
Jan 1, 2011 Dec 31, 2013 MCL Yes No 2 MG/L 1 mg/L 1 Resolved Jun 27, 2012 —
Jul 1, 2009 Sep 30, 2009 MCL Yes No .012 MG/L 0.010 mg/L .01 Resolved Sep 30, 2009 —
Jul 1, 2009 Sep 30, 2009 MCL Yes No .012 MG/L 0.010 mg/L .01 Resolved Sep 30, 2009 —
Jul 1, 2009 Sep 30, 2009 MCL Yes No .012 MG/L 0.010 mg/L .01 Resolved Sep 30, 2009 —
Jul 1, 2009 Sep 30, 2009 MCL Yes No .012 MG/L 0.010 mg/L .01 Resolved Sep 30, 2009 —
Apr 1, 2009 Jun 30, 2009 MCL Yes No .015 MG/L 0.010 mg/L .01 Resolved Jun 30, 2009 —
Apr 1, 2009 Jun 30, 2009 MCL Yes No .015 MG/L 0.010 mg/L .01 Resolved Jun 30, 2009 —
Apr 1, 2009 Jun 30, 2009 MCL Yes No .015 MG/L 0.010 mg/L .01 Resolved Jun 30, 2009 —
Apr 1, 2009 Jun 30, 2009 MCL Yes No .015 MG/L 0.010 mg/L .01 Resolved Jun 30, 2009 —
Jan 1, 2009 Mar 31, 2009 MCL Yes No .021 MG/L 0.010 mg/L .01 Resolved Mar 31, 2009 —
Jan 1, 2009 Mar 31, 2009 MCL Yes No .021 MG/L 0.010 mg/L .01 Resolved Mar 31, 2009 —
Jan 1, 2009 Mar 31, 2009 MCL Yes No .021 MG/L 0.010 mg/L .01 Resolved Mar 31, 2009 —
Jan 1, 2009 Mar 31, 2009 MCL Yes No .021 MG/L 0.010 mg/L .01 Resolved Mar 31, 2009 —
Oct 1, 2008 Dec 31, 2008 MCL Yes No .025 MG/L 0.010 mg/L .01 Resolved Dec 31, 2008 —
Oct 1, 2008 Dec 31, 2008 MCL Yes No .025 MG/L 0.010 mg/L .01 Resolved Dec 31, 2008 —
Oct 1, 2008 Dec 31, 2008 MCL Yes No .025 MG/L 0.010 mg/L .01 Resolved Dec 31, 2008 —
Oct 1, 2008 Dec 31, 2008 MCL Yes No .025 MG/L 0.010 mg/L .01 Resolved Dec 31, 2008 —
Oct 1, 2008 Dec 31, 2008 MCL Yes No .025 MG/L 0.010 mg/L .01 Resolved Dec 31, 2008 —
Oct 1, 2008 Dec 31, 2008 MCL Yes No .025 MG/L 0.010 mg/L .01 Resolved Dec 31, 2008 —
Jul 1, 2008 Sep 30, 2008 MCL Yes No .025 MG/L 0.010 mg/L .01 Resolved Sep 30, 2008 —
Jul 1, 2008 Sep 30, 2008 MCL Yes No .025 MG/L 0.010 mg/L .01 Resolved Sep 30, 2008 —
Jul 1, 2008 Sep 30, 2008 MCL Yes No .025 MG/L 0.010 mg/L .01 Resolved Sep 30, 2008 —
Jul 1, 2008 Sep 30, 2008 MCL Yes No .025 MG/L 0.010 mg/L .01 Resolved Sep 30, 2008 —
Jul 1, 2008 Sep 30, 2008 MCL Yes No .025 MG/L 0.010 mg/L .01 Resolved Sep 30, 2008 —
Jul 1, 2008 Sep 30, 2008 MCL Yes No .025 MG/L 0.010 mg/L .01 Resolved Sep 30, 2008 —
Apr 1, 2008 Jun 30, 2008 MCL Yes No .026 MG/L 0.010 mg/L .01 Resolved Jun 30, 2008 —
Apr 1, 2008 Jun 30, 2008 MCL Yes No .026 MG/L 0.010 mg/L .01 Resolved Jun 30, 2008 —
Apr 1, 2008 Jun 30, 2008 MCL Yes No .026 MG/L 0.010 mg/L .01 Resolved Jun 30, 2008 —
Apr 1, 2008 Jun 30, 2008 MCL Yes No .026 MG/L 0.010 mg/L .01 Resolved Jun 30, 2008 —
Apr 1, 2008 Jun 30, 2008 MCL Yes No .026 MG/L 0.010 mg/L .01 Resolved Jun 30, 2008 —
Apr 1, 2008 Jun 30, 2008 MCL Yes No .026 MG/L 0.010 mg/L .01 Resolved Jun 30, 2008 —
Jan 1, 2008 Mar 31, 2008 MCL Yes No .026 MG/L 0.010 mg/L .01 Resolved Mar 31, 2008 —
Jan 1, 2008 Mar 31, 2008 MCL Yes No .026 MG/L 0.010 mg/L .01 Resolved Mar 31, 2008 —
Jan 1, 2008 Mar 31, 2008 MCL Yes No .026 MG/L 0.010 mg/L .01 Resolved Mar 31, 2008 —
Jan 1, 2008 Mar 31, 2008 MCL Yes No .026 MG/L 0.010 mg/L .01 Resolved Mar 31, 2008 —
Jan 1, 2008 Mar 31, 2008 MCL Yes No .026 MG/L 0.010 mg/L .01 Resolved Mar 31, 2008 —
Jan 1, 2008 Mar 31, 2008 MCL Yes No .026 MG/L 0.010 mg/L .01 Resolved Mar 31, 2008 —
Oct 1, 2007 Dec 31, 2007 MCL Yes No .026 MG/L 0.010 mg/L .01 Resolved Dec 31, 2007 —

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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