CRYSTAL LAKE

Illinois - Community Water System - PWSID: IL1110150

System Information

PWSIDIL1110150
System NameCRYSTAL LAKE
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeLocal
EPA Region05
Serves SchoolNo
WholesalerNo
First ReportedFeb 13, 1981
Last ReportedMay 27, 2026

Location & Contact

StateIllinois
CityCRYSTAL LAKE
ZIP Code60014
Address100 WEST WOODSTOCK STREET
OrganizationMAGNUSON, MICHAEL P.
Phone815-356-3611

Population & Service

Population Served40,661
Service Connections14,101

Drinking Water Violations (66)

This water system has 66 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
Jan 1, 2026 Mar 31, 2026 MR No Yes - 0.0004 mg/L - Archived Mar 31, 2026 -
Jan 1, 2026 Mar 31, 2026 MR No Yes - 0.04 mg/L - Archived Mar 31, 2026 -
Jan 1, 2026 Mar 31, 2026 MR No Yes - 0.0002 mg/L - Archived Mar 31, 2026 -
Jan 1, 2026 Mar 31, 2026 MR No Yes - 0.004 mg/L - Archived Mar 31, 2026 -
Jan 1, 2026 Mar 31, 2026 MR No Yes - 0.001 mg/L - Archived Mar 31, 2026 -
Jan 1, 2026 Mar 31, 2026 MR No Yes - 0.0002 mg/L - Archived Mar 31, 2026 -
Jan 1, 2026 Mar 31, 2026 MR No Yes - - - Archived Mar 31, 2026 -
Jan 1, 2026 Mar 31, 2026 MR No Yes - 0.002 mg/L - Archived Mar 31, 2026 -
Jan 1, 2026 Mar 31, 2026 MR No Yes - 0.4 mg/L - Archived Mar 31, 2026 -
Jan 1, 2026 Mar 31, 2026 MR No Yes - 0.05 mg/L - Archived Mar 31, 2026 -
Jan 1, 2026 Mar 31, 2026 MR No Yes - 0.006 mg/L - Archived Mar 31, 2026 -
Jan 1, 2026 Mar 31, 2026 MR No Yes - 0.003 mg/L - Archived Mar 31, 2026 -
Jul 1, 1996 Jul 31, 1996 MCL Yes No - 5% of samples - Archived Jul 31, 1996 -
Jul 1, 1996 Jul 31, 1996 MR No No - 5% of samples - Archived Jul 31, 1996 -
Jul 1, 1996 Jul 31, 1996 MR No No - 5% of samples - Archived Jul 31, 1996 -
Jul 1, 1996 Jul 31, 1996 MR No No - 5% of samples - Archived Jul 31, 1996 -
Jul 1, 1996 Jul 31, 1996 MCL Yes No - 5% of samples - Archived Jul 31, 1996 -
Jul 1, 1996 Jul 31, 1996 MCL Yes No - 5% of samples - Archived Jul 31, 1996 -
Oct 28, 1986 Oct 27, 1989 MR No No - 0.05 mg/L - Archived Oct 27, 1989 -
Oct 28, 1986 Oct 27, 1989 MR No No - 2 mg/L - Archived Oct 27, 1989 -
Oct 28, 1986 Oct 27, 1989 MR No No - 0.010 mg/L - Archived Oct 27, 1989 -
Oct 28, 1986 Oct 27, 1989 MR No No - 10 mg/L - Archived Oct 27, 1989 -
Oct 28, 1986 Oct 27, 1989 MR No No - 10 mg/L - Archived Oct 27, 1989 -
Oct 28, 1986 Oct 27, 1989 MR No No - 10 mg/L - Archived Oct 27, 1989 -
Oct 28, 1986 Oct 27, 1989 MR No No - 10 mg/L - Archived Oct 27, 1989 -
Oct 28, 1986 Oct 27, 1989 MR No No - 0.002 mg/L - Archived Oct 27, 1989 -
Oct 28, 1986 Oct 27, 1989 MR No No - 0.002 mg/L - Archived Oct 27, 1989 -
Oct 28, 1986 Oct 27, 1989 MR No No - 0.005 mg/L - Archived Oct 27, 1989 -
Oct 28, 1986 Oct 27, 1989 MR No No - 0.002 mg/L - Archived Oct 27, 1989 -
Oct 28, 1986 Oct 27, 1989 MR No No - 0.05 mg/L - Archived Oct 27, 1989 -
Oct 28, 1986 Oct 27, 1989 MR No No - 0.05 mg/L - Archived Oct 27, 1989 -
Oct 28, 1986 Oct 27, 1989 MR No No - 0.05 mg/L - Archived Oct 27, 1989 -
Oct 28, 1986 Oct 27, 1989 MR No No - 0.005 mg/L - Archived Oct 27, 1989 -
Oct 28, 1986 Oct 27, 1989 MR No No - 0.1 mg/L - Archived Oct 27, 1989 -
Oct 28, 1986 Oct 27, 1989 MR No No - 0.1 mg/L - Archived Oct 27, 1989 -
Oct 28, 1986 Oct 27, 1989 MR No No - 0.1 mg/L - Archived Oct 27, 1989 -
Oct 28, 1986 Oct 27, 1989 MR No No - 0.1 mg/L - Archived Oct 27, 1989 -
Oct 28, 1986 Oct 27, 1989 MR No No - 4.0 mg/L - Archived Oct 27, 1989 -
Oct 28, 1986 Oct 27, 1989 MR No No - 4.0 mg/L - Archived Oct 27, 1989 -
Oct 28, 1986 Oct 27, 1989 MR No No - 4.0 mg/L - Archived Oct 27, 1989 -
Oct 28, 1986 Oct 27, 1989 MR No No - 4.0 mg/L - Archived Oct 27, 1989 -
Oct 28, 1986 Oct 27, 1989 MR No No - 0.002 mg/L - Archived Oct 27, 1989 -
Jun 1, 1986 May 31, 1989 MCL Yes No 4 2 mg/L - Resolved Sep 29, 1987 -
Jun 1, 1986 May 31, 1989 MCL Yes No 4 2 mg/L - Resolved Sep 29, 1987 -
Jun 1, 1986 May 31, 1989 MCL Yes No 4 2 mg/L - Resolved Sep 29, 1987 -
Jun 1, 1986 May 31, 1989 MCL Yes No 4 2 mg/L - Resolved Sep 29, 1987 -
Jun 1, 1986 May 31, 1989 MCL Yes No 4 2 mg/L - Resolved Sep 29, 1987 -
Jun 1, 1986 May 31, 1989 MCL Yes No 4 2 mg/L - Resolved Sep 29, 1987 -
Jun 1, 1986 May 31, 1989 MCL Yes No 4 2 mg/L - Resolved Sep 29, 1987 -
Jun 1, 1983 May 31, 1986 MCL Yes No 4 2 mg/L - Archived May 31, 1986 -

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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