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VERNON HILLS - LAKE CO PW

Illinois — Community Water System — PWSID: IL0971750

System Information

PWSIDIL0971750
System NameVERNON HILLS - LAKE CO PW
System TypeCommunity Water System
Water SourceSurface Water Purchased
Activity StatusActive
Owner TypeLocal
EPA Region05
Serves SchoolNo
WholesalerNo
First ReportedFeb 13, 1981
Last ReportedDec 4, 2025

Location & Contact

StateIllinois
CityLIBERTYVILLE
ZIP Code60048
Address650 WEST WINCHESTER ROAD
OrganizationMCFARLANE, AUSTIN
Phone847-377-7134

Population & Service

Population Served33,207
Service Connections11,069

Drinking Water Violations (46)

This water system has 46 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, 2024 Sep 30, 2024 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2024 Sep 30, 2024 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2024 Sep 30, 2024 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2024 Sep 30, 2024 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2012 — Consumer Confidence Rule Other No No — — — Resolved Jul 10, 2013 Consumer Confidence Rule
Jul 1, 2012 — Consumer Confidence Rule Other No No — — — Resolved Jul 10, 2013 Consumer Confidence Rule
Jun 1, 1995 Jun 30, 1995 Coliform (TCR) MR No No — 5% of samples — Archived Jun 30, 1995 Total Coliform Rule
Jun 1, 1995 Jun 30, 1995 Coliform (TCR) MR No No — 5% of samples — Archived Jun 30, 1995 Total Coliform Rule
Jun 1, 1995 Jun 30, 1995 Coliform (TCR) MR No No — 5% of samples — Archived Jun 30, 1995 Total Coliform Rule
Aug 1, 1994 Aug 31, 1994 Coliform (TCR) MCL Yes No — 5% of samples — Archived Aug 31, 1994 Total Coliform Rule
Aug 1, 1994 Aug 31, 1994 Coliform (TCR) MCL Yes No — 5% of samples — Archived Aug 31, 1994 Total Coliform Rule
Aug 1, 1994 Aug 31, 1994 Coliform (TCR) MCL Yes No — 5% of samples — Archived Aug 31, 1994 Total Coliform Rule
Aug 1, 1994 Aug 31, 1994 Coliform (TCR) MCL Yes No — 5% of samples — Archived Aug 31, 1994 Total Coliform Rule
Aug 1, 1994 Aug 31, 1994 Coliform (TCR) MCL Yes No — 5% of samples — Archived Aug 31, 1994 Total Coliform Rule
Aug 1, 1994 Aug 31, 1994 Coliform (TCR) MCL Yes No — 5% of samples — Archived Aug 31, 1994 Total Coliform Rule
Aug 1, 1994 Aug 31, 1994 Coliform (TCR) MR No No — 5% of samples — Archived Aug 31, 1994 Total Coliform Rule
Aug 1, 1994 Aug 31, 1994 Coliform (TCR) MR No No — 5% of samples — Archived Aug 31, 1994 Total Coliform Rule
Aug 1, 1994 Aug 31, 1994 Coliform (TCR) MR No No — 5% of samples — Archived Aug 31, 1994 Total Coliform Rule
Aug 1, 1994 Aug 31, 1994 Coliform (TCR) MR No No — 5% of samples — Archived Aug 31, 1994 Total Coliform Rule
Aug 1, 1994 Aug 31, 1994 Coliform (TCR) MR No No — 5% of samples — Archived Aug 31, 1994 Total Coliform Rule
Aug 1, 1994 Aug 31, 1994 Coliform (TCR) MR No No — 5% of samples — Archived Aug 31, 1994 Total Coliform Rule
Dec 1, 1989 Nov 30, 1993 Combined Radium (-226 and -228) MCL Yes No 9.4 5 pCi/L — Resolved Jun 30, 1992 Radionuclides and Revised Rad Rule
Dec 1, 1989 Nov 30, 1993 Combined Radium (-226 and -228) MCL Yes No 9.4 5 pCi/L — Resolved Jun 30, 1992 Radionuclides and Revised Rad Rule
Dec 1, 1989 Nov 30, 1993 Combined Radium (-226 and -228) MCL Yes No 9.4 5 pCi/L — Resolved Jun 30, 1992 Radionuclides and Revised Rad Rule
Dec 1, 1989 Nov 30, 1993 Combined Radium (-226 and -228) MCL Yes No 9.4 5 pCi/L — Resolved Jun 30, 1992 Radionuclides and Revised Rad Rule
Dec 1, 1989 Nov 30, 1993 Combined Radium (-226 and -228) MCL Yes No 9.4 5 pCi/L — Resolved Jun 30, 1992 Radionuclides and Revised Rad Rule
Dec 1, 1989 Nov 30, 1993 Combined Radium (-226 and -228) MCL Yes No 9.4 5 pCi/L — Resolved Jun 30, 1992 Radionuclides and Revised Rad Rule
Dec 1, 1989 Nov 30, 1993 Combined Radium (-226 and -228) MCL Yes No 9.4 5 pCi/L — Resolved Jun 30, 1992 Radionuclides and Revised Rad Rule
Dec 1, 1989 Nov 30, 1993 Combined Radium (-226 and -228) MCL Yes No 9.4 5 pCi/L — Resolved Jun 30, 1992 Radionuclides and Revised Rad Rule
Dec 1, 1989 Nov 30, 1993 Combined Radium (-226 and -228) MCL Yes No 9.4 5 pCi/L — Resolved Jun 30, 1992 Radionuclides and Revised Rad Rule
Dec 1, 1989 Nov 30, 1993 Combined Radium (-226 and -228) MCL Yes No 9.4 5 pCi/L — Resolved Jun 30, 1992 Radionuclides and Revised Rad Rule
Dec 1, 1989 Nov 30, 1993 Combined Radium (-226 and -228) MCL Yes No 9.4 5 pCi/L — Resolved Jun 30, 1992 Radionuclides and Revised Rad Rule
Dec 1, 1989 Nov 30, 1993 Combined Radium (-226 and -228) MCL Yes No 9.4 5 pCi/L — Resolved Jun 30, 1992 Radionuclides and Revised Rad Rule
Dec 9, 1985 Dec 8, 1989 Combined Radium (-226 and -228) MCL Yes No 9.4 5 pCi/L — Resolved Dec 8, 1989 Radionuclides and Revised Rad Rule
Dec 9, 1985 Dec 8, 1989 Combined Radium (-226 and -228) MCL Yes No 9.4 5 pCi/L — Resolved Dec 8, 1989 Radionuclides and Revised Rad Rule
Dec 9, 1985 Dec 8, 1989 Combined Radium (-226 and -228) MCL Yes No 9.4 5 pCi/L — Resolved Dec 8, 1989 Radionuclides and Revised Rad Rule
Dec 9, 1985 Dec 8, 1989 Combined Radium (-226 and -228) MCL Yes No 9.4 5 pCi/L — Resolved Dec 8, 1989 Radionuclides and Revised Rad Rule
Dec 9, 1985 Dec 8, 1989 Combined Radium (-226 and -228) MCL Yes No 9.4 5 pCi/L — Resolved Dec 8, 1989 Radionuclides and Revised Rad Rule
Dec 9, 1985 Dec 8, 1989 Combined Radium (-226 and -228) MCL Yes No 9.4 5 pCi/L — Resolved Dec 8, 1989 Radionuclides and Revised Rad Rule
Dec 9, 1985 Dec 8, 1989 Combined Radium (-226 and -228) MCL Yes No 9.4 5 pCi/L — Resolved Dec 8, 1989 Radionuclides and Revised Rad Rule
Dec 9, 1985 Dec 8, 1989 Combined Radium (-226 and -228) MCL Yes No 9.4 5 pCi/L — Resolved Dec 8, 1989 Radionuclides and Revised Rad Rule
Dec 9, 1985 Dec 8, 1989 Combined Radium (-226 and -228) MCL Yes No 9.4 5 pCi/L — Resolved Dec 8, 1989 Radionuclides and Revised Rad Rule
Dec 9, 1985 Dec 8, 1989 Combined Radium (-226 and -228) MCL Yes No 9.4 5 pCi/L — Resolved Dec 8, 1989 Radionuclides and Revised Rad Rule
Dec 9, 1985 Dec 8, 1989 Combined Radium (-226 and -228) MCL Yes No 9.4 5 pCi/L — Resolved Dec 8, 1989 Radionuclides and Revised Rad Rule
Dec 9, 1985 Dec 8, 1989 Combined Radium (-226 and -228) MCL Yes No 9.4 5 pCi/L — Resolved Dec 8, 1989 Radionuclides and Revised Rad Rule
Jun 30, 1977 Jun 29, 1981 Gross Alpha, Excl. Radon and U MR No No — 15 pCi/L — Archived Jun 29, 1981 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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