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Product Safety9,700+ CPSC product recalls Food Safety28,600+ FDA food recalls Pet Safety1.3M FDA animal adverse events Drug Safety17,500+ FDA drug recalls Device Safety38,400+ FDA device recalls Workplace Safety102,900+ OSHA injury reports Brand HistoryRecall lookup by company

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LITTLE SWAN LAKE SD

Illinois — Community Water System — PWSID: IL1875050

System Information

PWSIDIL1875050
System NameLITTLE SWAN LAKE SD
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
CityMONMOUTH
ZIP Code61462
Address122 South 11th street
OrganizationNELSON, RICHARD
Phone309-333-3762

Population & Service

Population Served438
Service Connections175

Drinking Water Violations (57)

This water system has 57 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 — MR No No — TT — Unaddressed — —
Jul 1, 2025 — MR No No — TT — Unaddressed — —
Dec 30, 2022 — MR No No — TT — Resolved Jan 25, 2023 —
Dec 30, 2022 — MR No No — TT — Resolved Jan 25, 2023 —
Jul 1, 2011 — Other No No — — — Resolved Aug 3, 2011 —
Jul 1, 2011 — Other No No — — — Resolved Aug 3, 2011 —
Oct 1, 2007 Dec 31, 2007 MR No Yes — 4.0 mg/L — Resolved Dec 4, 2007 —
Oct 1, 2007 Dec 31, 2007 MR No Yes — 4.0 mg/L — Resolved Dec 4, 2007 —
Apr 1, 2007 Jun 30, 2007 MR No Yes — 4.0 mg/L — Resolved May 21, 2007 —
Apr 1, 2007 Jun 30, 2007 MR No Yes — 4.0 mg/L — Resolved May 21, 2007 —
Apr 1, 1998 Apr 30, 1998 MR No No — 5% of samples — Archived Apr 30, 1998 —
Apr 1, 1998 Apr 30, 1998 MR No No — 5% of samples — Archived Apr 30, 1998 —
Aug 1, 1997 Aug 31, 1997 MCL Yes No — 5% of samples — Archived Aug 31, 1997 —
Aug 1, 1997 Aug 31, 1997 MCL Yes No — 5% of samples — Archived Aug 31, 1997 —
Aug 1, 1997 Aug 31, 1997 MCL Yes No — 5% of samples — Archived Aug 31, 1997 —
Jan 1, 1997 Jan 31, 1997 MR No No — 5% of samples — Archived Jan 31, 1997 —
Aug 1, 1996 Aug 31, 1996 MR No No — 5% of samples — Archived Aug 31, 1996 —
Aug 1, 1996 Aug 31, 1996 MR No No — 5% of samples — Archived Aug 31, 1996 —
Aug 1, 1996 Aug 31, 1996 MR No No — 5% of samples — Archived Aug 31, 1996 —
Jul 1, 1995 Jul 31, 1995 MR No No — 5% of samples — Archived Jul 31, 1995 —
Jul 1, 1995 Jul 31, 1995 MR No No — 5% of samples — Archived Jul 31, 1995 —
Apr 1, 1995 Apr 30, 1995 MR No No — 5% of samples — Archived Apr 30, 1995 —
Apr 1, 1995 Apr 30, 1995 MR No No — 5% of samples — Archived Apr 30, 1995 —
Apr 1, 1995 Apr 30, 1995 MR No No — 5% of samples — Archived Apr 30, 1995 —
Jul 1, 1994 Jul 31, 1994 MR No No — 5% of samples — Archived Jul 31, 1994 —
Jul 1, 1994 Jul 31, 1994 MR No No — 5% of samples — Archived Jul 31, 1994 —
Jul 1, 1994 Jul 31, 1994 MR No No — 5% of samples — Archived Jul 31, 1994 —
May 1, 1992 May 31, 1992 MR No No — 5% of samples — Archived May 31, 1992 —
May 1, 1992 May 31, 1992 MR No No — 5% of samples — Archived May 31, 1992 —
May 1, 1992 May 31, 1992 MR No No — 5% of samples — Archived May 31, 1992 —
May 1, 1992 May 31, 1992 MR No No — 5% of samples — Archived May 31, 1992 —
Jun 1, 1984 May 31, 1987 MCL Yes No 2.7 4.0 mg/L — Resolved Nov 14, 1985 —
Jun 1, 1984 May 31, 1987 MCL Yes No 2.7 4.0 mg/L — Resolved Nov 14, 1985 —
Jun 1, 1984 May 31, 1987 MCL Yes No 2.7 4.0 mg/L — Resolved Nov 14, 1985 —
Jun 1, 1984 May 31, 1987 MCL Yes No 2.7 4.0 mg/L — Resolved Nov 14, 1985 —
Jun 1, 1984 May 31, 1987 MCL Yes No 2.7 4.0 mg/L — Resolved Nov 14, 1985 —
Jun 1, 1984 May 31, 1987 MCL Yes No 2.7 4.0 mg/L — Resolved Nov 14, 1985 —
Jun 1, 1984 May 31, 1987 MCL Yes No 2.7 4.0 mg/L — Resolved Nov 14, 1985 —
Jun 1, 1981 May 31, 1984 MCL Yes No 2.7 4.0 mg/L — Archived May 31, 1984 —
Jun 1, 1981 May 31, 1984 MCL Yes No 2.7 4.0 mg/L — Archived May 31, 1984 —
Jun 1, 1981 May 31, 1984 MCL Yes No 2.7 4.0 mg/L — Archived May 31, 1984 —
Jun 1, 1981 May 31, 1984 MCL Yes No 2.7 4.0 mg/L — Archived May 31, 1984 —
Jun 1, 1981 May 31, 1984 MCL Yes No 2.7 4.0 mg/L — Archived May 31, 1984 —
Jun 1, 1981 May 31, 1984 MCL Yes No 2.7 4.0 mg/L — Archived May 31, 1984 —
Jun 30, 1977 Jun 29, 1981 MR No No — 15 pCi/L — Archived Jun 29, 1981 —
— — — No No — — — — — —
— — — No No — — — — — —
— — — 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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