HARVARD HILLS WATER CORPORATION
Illinois - Community Water System - PWSID: IL1795450
System Information
| PWSID | IL1795450 |
| System Name | HARVARD HILLS WATER CORPORATION |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 05 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 13, 1981 |
| Last Reported | Feb 26, 2026 |
Location & Contact
| State | Illinois |
| City | WASHINGTON |
| ZIP Code | 61571 |
| Address | P.O. Box 67 |
| Organization | SHIELDS, JACINDA |
| Phone | 815-674-0544 |
Population & Service
| Population Served | 215 |
| Service Connections | 86 |
Drinking Water Violations (45)
This water system has 45 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 12, 2025 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Jul 1, 2025 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Jul 1, 2024 | - | Other | No | No | - | - | - | Resolved | Jul 15, 2024 | - | |
| Jul 1, 2024 | - | MR | No | No | - | TT | - | Unaddressed | - | - | |
| Jul 1, 2024 | - | MR | No | No | - | TT | - | Unaddressed | - | - | |
| Jul 1, 2024 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Dec 4, 2023 | - | Other | No | No | - | - | - | Resolved | Jul 15, 2024 | - | |
| Dec 4, 2023 | - | Other | No | No | - | - | - | Resolved | Jul 15, 2024 | - | |
| Apr 2, 2023 | - | TT | Yes | No | - | TT | - | Resolved | Jun 7, 2024 | - | |
| Apr 2, 2023 | - | TT | Yes | No | - | TT | - | Resolved | Jun 7, 2024 | - | |
| Apr 2, 2023 | - | TT | Yes | No | - | TT | - | Resolved | Jun 7, 2024 | - | |
| Mar 1, 2023 | - | TT | Yes | No | - | TT | - | Unaddressed | - | - | |
| Mar 1, 2023 | - | TT | Yes | No | - | TT | - | Unaddressed | - | - | |
| Dec 30, 2022 | - | MR | No | No | - | TT | - | Resolved | Feb 7, 2023 | - | |
| Dec 30, 2022 | - | MR | No | No | - | TT | - | Resolved | Feb 7, 2023 | - | |
| Oct 8, 2008 | - | Other | No | No | - | - | - | Resolved | Oct 27, 2008 | - | |
| Oct 8, 2008 | - | Other | No | No | - | - | - | Resolved | Oct 27, 2008 | - | |
| Oct 19, 2007 | - | Other | No | No | - | - | - | Resolved | Nov 7, 2007 | - | |
| Oct 19, 2007 | - | Other | No | No | - | - | - | Resolved | Nov 7, 2007 | - | |
| Aug 1, 2007 | Aug 31, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2007 | - | |
| Aug 1, 2007 | Aug 31, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2007 | - | |
| Aug 1, 2007 | Aug 31, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2007 | - | |
| Aug 1, 2007 | Aug 31, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2007 | - | |
| Jul 1, 2005 | - | Other | No | No | - | - | - | Resolved | Jun 29, 2006 | - | |
| Jul 1, 2005 | - | Other | No | No | - | - | - | Resolved | Jun 29, 2006 | - | |
| Feb 1, 1998 | Feb 28, 1998 | MR | No | No | - | 5% of samples | - | Archived | Feb 28, 1998 | - | |
| Feb 1, 1998 | Feb 28, 1998 | MR | No | No | - | 5% of samples | - | Archived | Feb 28, 1998 | - | |
| Feb 1, 1998 | Feb 28, 1998 | MR | No | No | - | 5% of samples | - | Archived | Feb 28, 1998 | - | |
| Jul 1, 1997 | Jul 31, 1997 | MR | No | No | - | 5% of samples | - | Archived | Jul 31, 1997 | - | |
| Jul 1, 1997 | Jul 31, 1997 | MR | No | No | - | 5% of samples | - | Archived | Jul 31, 1997 | - | |
| Jul 1, 1997 | Jul 31, 1997 | MR | No | No | - | 5% of samples | - | Archived | Jul 31, 1997 | - | |
| Dec 1, 1994 | Dec 31, 1994 | MR | No | No | - | 5% of samples | - | Archived | Dec 31, 1994 | - | |
| Dec 1, 1994 | Dec 31, 1994 | MR | No | No | - | 5% of samples | - | Archived | Dec 31, 1994 | - | |
| Dec 1, 1994 | Dec 31, 1994 | MR | No | No | - | 5% of samples | - | Archived | Dec 31, 1994 | - | |
| Feb 11, 1982 | Feb 10, 1986 | MR | No | Yes | - | 15 pCi/L | - | Archived | Feb 10, 1986 | - | |
| Feb 11, 1982 | Feb 10, 1986 | MR | No | Yes | - | 15 pCi/L | - | Archived | Feb 10, 1986 | - | |
| Feb 11, 1982 | Feb 10, 1986 | MR | No | Yes | - | 15 pCi/L | - | Archived | Feb 10, 1986 | - | |
| Feb 11, 1982 | Feb 10, 1986 | MR | No | Yes | - | 15 pCi/L | - | Archived | Feb 10, 1986 | - | |
| Feb 11, 1982 | Feb 10, 1986 | MR | No | Yes | - | 15 pCi/L | - | Archived | Feb 10, 1986 | - | |
| Feb 11, 1982 | Feb 10, 1986 | MR | No | Yes | - | 15 pCi/L | - | Archived | Feb 10, 1986 | - | |
| Jun 30, 1977 | Jun 29, 1981 | MR | No | No | - | 15 pCi/L | - | Archived | Jun 29, 1981 | - | |
| - | - | - | 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.