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MAPLE PARK

Illinois — Community Water System — PWSID: IL0890500

System Information

PWSIDIL0890500
System NameMAPLE PARK
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeLocal
EPA Region05
Serves SchoolNo
WholesalerNo
First ReportedFeb 13, 1981
Last ReportedDec 4, 2025

Location & Contact

StateIllinois
CityMAPLE PARK
ZIP Code60151
Address302 Willow St
OrganizationALDRIDGE, CHERYL
Phone815-827-3309

Population & Service

Population Served1,484
Service Connections594

Drinking Water Violations (189)

This water system has 189 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
Sep 19, 2025 — Public Notice Other No No — — — Unaddressed — Public Notice Rule and Revised PN Rule
Sep 19, 2025 — Public Notice Other No No — — — Unaddressed — Public Notice Rule and Revised PN Rule
Jul 2, 2025 — LEAD AND COPPER RULE REVISIONS RPT No No — — — Unaddressed — Lead and Copper Rule Revisions
Jul 2, 2025 — LEAD AND COPPER RULE REVISIONS RPT No No — — — Unaddressed — Lead and Copper Rule Revisions
Jul 1, 2025 Sep 30, 2025 Combined Radium (-226 and -228) MCL Yes No 11.47 PCI/L 5 pCi/L 5 Archived Sep 30, 2025 Radionuclides and Revised Rad Rule
Jul 1, 2025 Sep 30, 2025 Combined Radium (-226 and -228) MCL Yes No 11.47 PCI/L 5 pCi/L 5 Archived Sep 30, 2025 Radionuclides and Revised Rad Rule
Oct 1, 2024 Dec 31, 2024 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Resolved Dec 31, 2024 Radionuclides and Revised Rad Rule
Oct 1, 2024 Dec 31, 2024 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Resolved Dec 31, 2024 Radionuclides and Revised Rad Rule
Oct 1, 2024 Dec 31, 2024 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Resolved Dec 31, 2024 Radionuclides and Revised Rad Rule
Oct 1, 2024 Dec 31, 2024 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Resolved Dec 31, 2024 Radionuclides and Revised Rad Rule
Feb 1, 2024 Feb 29, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Feb 29, 2024 Revised Total Coliform Rule
Feb 1, 2024 Feb 29, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Feb 29, 2024 Revised Total Coliform Rule
Feb 1, 2024 Feb 29, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Feb 29, 2024 Revised Total Coliform Rule
Feb 1, 2024 Feb 29, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Feb 29, 2024 Revised Total Coliform Rule
Jan 1, 2024 Mar 31, 2024 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Dec 31, 2024 TTHM MR No Yes — 0.080 mg/L — Archived Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Dec 31, 2024 TTHM MR No Yes — 0.080 mg/L — Archived Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Dec 31, 2024 TTHM MR No Yes — 0.080 mg/L — Archived Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Mar 31, 2024 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Mar 31, 2024 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Mar 31, 2024 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Dec 31, 2024 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Archived Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Dec 31, 2024 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Archived Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Dec 31, 2024 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Archived Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2021 — Consumer Confidence Rule Other No No — — — Resolved Nov 3, 2021 Consumer Confidence Rule
Jul 1, 2021 — Consumer Confidence Rule Other No No — — — Resolved Nov 3, 2021 Consumer Confidence Rule
Jan 1, 2017 Dec 31, 2019 Carbofuran MR No Yes — 0.04 mg/L — Resolved Dec 31, 2019 Synthetic Organic Chemicals
Jan 1, 2017 Dec 31, 2019 Carbofuran MR No Yes — 0.04 mg/L — Resolved Dec 31, 2019 Synthetic Organic Chemicals
Jan 1, 2017 Dec 31, 2019 Carbofuran MR No Yes — 0.04 mg/L — Resolved Dec 31, 2019 Synthetic Organic Chemicals
Jan 1, 2017 Dec 31, 2019 OXAMYL MR No Yes — 0.2 mg/L — Resolved Dec 31, 2019 Synthetic Organic Chemicals
Jan 1, 2017 Dec 31, 2019 OXAMYL MR No Yes — 0.2 mg/L — Resolved Dec 31, 2019 Synthetic Organic Chemicals
Jan 1, 2017 Dec 31, 2019 Carbofuran MR No Yes — 0.04 mg/L — Resolved Dec 31, 2019 Synthetic Organic Chemicals
Jan 1, 2017 Dec 31, 2019 OXAMYL MR No Yes — 0.2 mg/L — Resolved Dec 31, 2019 Synthetic Organic Chemicals
Jan 1, 2017 Dec 31, 2019 OXAMYL MR No Yes — 0.2 mg/L — Resolved Dec 31, 2019 Synthetic Organic Chemicals
Apr 1, 2014 Jun 30, 2014 Combined Radium (-226 and -228) MCL Yes No 10 PCI/L 5 pCi/L 5 Resolved Jun 30, 2014 Radionuclides and Revised Rad Rule
Apr 1, 2014 Jun 30, 2014 Combined Radium (-226 and -228) MCL Yes No 10 PCI/L 5 pCi/L 5 Resolved Jun 30, 2014 Radionuclides and Revised Rad Rule
Apr 1, 2014 Jun 30, 2014 Combined Radium (-226 and -228) MCL Yes No 10 PCI/L 5 pCi/L 5 Resolved Jun 30, 2014 Radionuclides and Revised Rad Rule
Apr 1, 2014 Jun 30, 2014 Combined Radium (-226 and -228) MCL Yes No 10 PCI/L 5 pCi/L 5 Resolved Jun 30, 2014 Radionuclides and Revised Rad Rule
Apr 1, 2014 Jun 30, 2014 Combined Radium (-226 and -228) MCL Yes No 10 PCI/L 5 pCi/L 5 Resolved Jun 30, 2014 Radionuclides and Revised Rad Rule
Apr 1, 2014 Jun 30, 2014 Combined Radium (-226 and -228) MCL Yes No 10 PCI/L 5 pCi/L 5 Resolved Jun 30, 2014 Radionuclides and Revised Rad Rule
Jan 1, 2014 Mar 31, 2014 Combined Radium (-226 and -228) MCL Yes No 7 PCI/L 5 pCi/L 5 Resolved Mar 31, 2014 Radionuclides and Revised Rad Rule
Jan 1, 2014 Mar 31, 2014 Combined Radium (-226 and -228) MCL Yes No 7 PCI/L 5 pCi/L 5 Resolved Mar 31, 2014 Radionuclides and Revised Rad Rule
Jan 1, 2014 Mar 31, 2014 Combined Radium (-226 and -228) MCL Yes No 7 PCI/L 5 pCi/L 5 Resolved Mar 31, 2014 Radionuclides and Revised Rad Rule
Jan 1, 2014 Mar 31, 2014 Combined Radium (-226 and -228) MCL Yes No 7 PCI/L 5 pCi/L 5 Resolved Mar 31, 2014 Radionuclides and Revised Rad Rule
Oct 1, 2013 Dec 31, 2013 Combined Radium (-226 and -228) MCL Yes No 7 PCI/L 5 pCi/L 5 Resolved Dec 31, 2013 Radionuclides and Revised Rad Rule
Oct 1, 2013 Dec 31, 2013 Combined Radium (-226 and -228) MCL Yes No 7 PCI/L 5 pCi/L 5 Resolved Dec 31, 2013 Radionuclides and Revised Rad Rule
Oct 1, 2013 Dec 31, 2013 Combined Radium (-226 and -228) MCL Yes No 7 PCI/L 5 pCi/L 5 Resolved Dec 31, 2013 Radionuclides and Revised Rad Rule
Oct 1, 2013 Dec 31, 2013 Combined Radium (-226 and -228) MCL Yes No 7 PCI/L 5 pCi/L 5 Resolved Dec 31, 2013 Radionuclides and Revised Rad Rule
Jul 1, 2013 Sep 30, 2013 Combined Radium (-226 and -228) MCL Yes No 8 PCI/L 5 pCi/L 5 Resolved Sep 30, 2013 Radionuclides and Revised Rad Rule
Jul 1, 2013 Sep 30, 2013 Combined Radium (-226 and -228) MCL Yes No 8 PCI/L 5 pCi/L 5 Resolved Sep 30, 2013 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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