SCALES MOUND
Illinois — Community Water System — PWSID: IL0850400
System Information
| PWSID | IL0850400 |
| System Name | SCALES MOUND |
| 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 | SCALES MOUND |
| ZIP Code | 61075 |
| Address | P.O. Box 105 |
| Organization | WINTER, NICOLE |
| Phone | 815-281-1003 |
Population & Service
| Population Served | 436 |
| Service Connections | 190 |
Drinking Water Violations (36)
This water system has 36 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, 2025 | — | Other | No | No | — | — | — | Unaddressed | — | — | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | — | 5 pCi/L | — | Archived | Dec 31, 2025 | — | |
| Apr 1, 2012 | Jun 30, 2012 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 25, 2012 | — | |
| Apr 1, 2012 | Jun 30, 2012 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 25, 2012 | — | |
| Dec 1, 2011 | Dec 31, 2011 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2011 | — | |
| Dec 1, 2011 | Dec 31, 2011 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2011 | — | |
| Oct 1, 2011 | Dec 31, 2011 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2011 | — | |
| Oct 1, 2011 | Dec 31, 2011 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2011 | — | |
| Jul 1, 2011 | Sep 30, 2011 | MR | No | Yes | — | 5 pCi/L | — | Resolved | Sep 30, 2011 | — | |
| Jul 1, 2011 | Sep 30, 2011 | MR | No | Yes | — | 5 pCi/L | — | Resolved | Sep 30, 2011 | — | |
| Aug 25, 2006 | — | Other | No | No | — | — | — | Resolved | Dec 15, 2006 | — | |
| Aug 25, 2006 | — | Other | No | No | — | — | — | Resolved | Dec 15, 2006 | — | |
| Jul 1, 2005 | — | Other | No | No | — | — | — | Resolved | Oct 25, 2005 | — | |
| Jul 1, 2005 | — | Other | No | No | — | — | — | Resolved | Oct 25, 2005 | — | |
| Jul 1, 1993 | Jul 31, 1993 | MR | No | No | — | 5% of samples | — | Archived | Jul 31, 1993 | — | |
| Jul 1, 1993 | Jul 31, 1993 | MR | No | No | — | 5% of samples | — | Archived | Jul 31, 1993 | — | |
| Apr 1, 1993 | Apr 30, 1993 | MR | No | No | — | 5% of samples | — | Archived | Apr 30, 1993 | — | |
| Apr 1, 1993 | Apr 30, 1993 | MR | No | No | — | 5% of samples | — | Archived | Apr 30, 1993 | — | |
| Oct 1, 1992 | Oct 31, 1992 | MR | No | No | — | 5% of samples | — | Archived | Oct 31, 1992 | — | |
| Oct 1, 1992 | Oct 31, 1992 | MR | No | No | — | 5% of samples | — | Archived | Oct 31, 1992 | — | |
| Sep 1, 1992 | Sep 30, 1992 | MCL | Yes | No | — | 5% of samples | — | Archived | Sep 30, 1992 | — | |
| Sep 1, 1992 | Sep 30, 1992 | MCL | Yes | No | — | 5% of samples | — | Archived | Sep 30, 1992 | — | |
| Jun 30, 1977 | Jun 29, 1981 | MR | No | No | — | 15 pCi/L | — | Archived | Jun 29, 1981 | — | |
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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.