ALGONQUIN
Illinois — Community Water System — PWSID: IL1110050
System Information
| PWSID | IL1110050 |
| System Name | ALGONQUIN |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 05 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 13, 1981 |
| Last Reported | Feb 26, 2026 |
Location & Contact
| State | Illinois |
| City | ALGONQUIN |
| ZIP Code | 60102 |
| Address | 110 Mitchard Way |
| Organization | BADRAN, NADIM |
| Phone | 847-658-2700 |
Population & Service
| Population Served | 30,700 |
| Service Connections | 11,904 |
Drinking Water Violations (83)
This water system has 83 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Aug 16, 2007 | — | Other | No | No | — | — | — | Resolved | Aug 21, 2007 | — | |
| Aug 16, 2007 | — | Other | No | No | — | — | — | Resolved | Aug 21, 2007 | — | |
| Aug 1, 2006 | Aug 31, 2006 | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2006 | — | |
| Aug 1, 2006 | Aug 31, 2006 | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2006 | — | |
| Aug 1, 2006 | Aug 31, 2006 | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2006 | — | |
| Aug 1, 2006 | Aug 31, 2006 | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2006 | — | |
| Jul 1, 2006 | Sep 30, 2006 | MR | No | No | — | 4.0 mg/L | — | Resolved | Aug 21, 2006 | — | |
| Jul 1, 2006 | Jul 31, 2006 | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2006 | — | |
| Jul 1, 2006 | Jul 31, 2006 | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2006 | — | |
| Jul 1, 2006 | Jul 31, 2006 | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2006 | — | |
| Jul 1, 2006 | Jul 31, 2006 | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2006 | — | |
| Jul 1, 2006 | Sep 30, 2006 | MR | No | No | — | 4.0 mg/L | — | Resolved | Aug 21, 2006 | — | |
| Jul 1, 2006 | Sep 30, 2006 | MR | No | No | — | 4.0 mg/L | — | Resolved | Aug 21, 2006 | — | |
| Jul 1, 2006 | Sep 30, 2006 | MR | No | No | — | 4.0 mg/L | — | Resolved | Aug 21, 2006 | — | |
| Oct 1, 1999 | Dec 31, 1999 | MR | No | No | — | TT | — | Resolved | Dec 31, 1999 | — | |
| Apr 1, 1999 | Jun 30, 1999 | MR | No | No | — | TT | — | Resolved | Jun 30, 1999 | — | |
| Jan 1, 1999 | Mar 31, 1999 | MR | No | No | — | TT | — | Resolved | Mar 31, 1999 | — | |
| Jan 1, 1999 | — | MR | No | No | — | TT | — | Resolved | Jun 30, 1999 | — | |
| Nov 1, 1998 | Nov 30, 1998 | MR | No | No | — | 5% of samples | — | Archived | Nov 30, 1998 | — | |
| Nov 1, 1998 | Nov 30, 1998 | MR | No | No | — | 5% of samples | — | Archived | Nov 30, 1998 | — | |
| Oct 1, 1998 | Dec 31, 1998 | MR | No | No | — | TT | — | Resolved | Dec 31, 1998 | — | |
| Jul 1, 1998 | Sep 30, 1998 | MR | No | No | — | TT | — | Resolved | Sep 30, 1998 | — | |
| 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 | — | |
| Oct 1, 1994 | Oct 31, 1994 | MR | No | No | — | 5% of samples | — | Archived | Oct 31, 1994 | — | |
| Oct 1, 1994 | Oct 31, 1994 | MR | No | No | — | 5% of samples | — | Archived | Oct 31, 1994 | — | |
| Sep 2, 1993 | — | TT | Yes | No | — | TT | — | Resolved | Dec 12, 1994 | — | |
| Jul 1, 1993 | — | TT | Yes | No | — | TT | — | Resolved | Nov 1, 1994 | — | |
| Jul 1, 1993 | — | TT | Yes | No | — | TT | — | Resolved | Nov 1, 1994 | — | |
| Jul 1, 1993 | — | TT | Yes | No | — | TT | — | Resolved | Nov 1, 1994 | — | |
| Jul 1, 1993 | — | TT | Yes | No | — | TT | — | Resolved | Nov 1, 1994 | — | |
| Jul 1, 1993 | — | TT | Yes | No | — | TT | — | Resolved | Nov 1, 1994 | — | |
| Oct 1, 1992 | — | MR | No | No | — | TT | — | Resolved | Jun 28, 1993 | — | |
| Jun 1, 1992 | Jun 30, 1992 | MR | No | No | — | 5% of samples | — | Archived | Jun 30, 1992 | — | |
| Jun 1, 1992 | Jun 30, 1992 | MR | No | No | — | 5% of samples | — | Archived | Jun 30, 1992 | — | |
| Apr 1, 1992 | Sep 30, 1992 | MR | No | No | — | TT | — | Resolved | Sep 30, 1992 | — | |
| Jun 1, 1986 | May 31, 1989 | MCL | Yes | No | 7.7 | 2 mg/L | — | Resolved | Jun 22, 1987 | — | |
| Jun 1, 1986 | May 31, 1989 | MCL | Yes | No | 7.7 | 2 mg/L | — | Resolved | Jun 22, 1987 | — | |
| Jun 1, 1986 | May 31, 1989 | MCL | Yes | No | 7.7 | 2 mg/L | — | Resolved | Jun 22, 1987 | — | |
| Jun 1, 1986 | May 31, 1989 | MCL | Yes | No | 7.7 | 2 mg/L | — | Resolved | Jun 22, 1987 | — | |
| Jun 1, 1986 | May 31, 1989 | MCL | Yes | No | 7.7 | 2 mg/L | — | Resolved | Jun 22, 1987 | — | |
| Jun 1, 1986 | May 31, 1989 | MCL | Yes | No | 7.7 | 2 mg/L | — | Resolved | Jun 22, 1987 | — | |
| Jun 1, 1986 | May 31, 1989 | MCL | Yes | No | 7.7 | 2 mg/L | — | Resolved | Jun 22, 1987 | — | |
| Jun 1, 1983 | May 31, 1986 | MCL | Yes | No | 7.7 | 2 mg/L | — | Archived | May 31, 1986 | — | |
| Jun 1, 1983 | May 31, 1986 | MCL | Yes | No | 7.7 | 2 mg/L | — | Archived | May 31, 1986 | — | |
| Jun 1, 1983 | May 31, 1986 | MCL | Yes | No | 7.7 | 2 mg/L | — | Archived | May 31, 1986 | — | |
| Jun 1, 1983 | May 31, 1986 | MCL | Yes | No | 7.7 | 2 mg/L | — | Archived | May 31, 1986 | — | |
| Jun 1, 1983 | May 31, 1986 | MCL | Yes | No | 7.7 | 2 mg/L | — | Archived | May 31, 1986 | — | |
| Jun 1, 1983 | May 31, 1986 | MCL | Yes | No | 7.7 | 2 mg/L | — | Archived | May 31, 1986 | — | |
| Jun 1, 1980 | May 31, 1983 | MCL | Yes | No | 7.7 | 2 mg/L | — | Archived | May 31, 1983 | — |
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.