SANTA FE ESTATES WATER ASSOCIATION
Illinois — Community Water System — PWSID: IL1435490
System Information
| PWSID | IL1435490 |
| System Name | SANTA FE ESTATES WATER ASSOCIATION |
| 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 | Dec 23, 1986 |
| Last Reported | Feb 26, 2026 |
Location & Contact
| State | Illinois |
| City | CHILLICOTHE |
| ZIP Code | 61523 |
| Address | 20834 N Sequoia CV |
| Organization | HEFLER, GREGORY |
| Phone | — |
Population & Service
| Population Served | 68 |
| Service Connections | 27 |
Drinking Water Violations (63)
This water system has 63 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 1, 2023 | — | MR | No | No | — | TT | — | Resolved | Mar 5, 2024 | — | |
| Oct 1, 2023 | — | MR | No | No | — | TT | — | Resolved | Mar 5, 2024 | — | |
| Oct 1, 2023 | — | MR | No | No | — | TT | — | Resolved | Mar 5, 2024 | — | |
| Oct 1, 2023 | — | MR | No | No | — | TT | — | Resolved | Mar 5, 2024 | — | |
| Oct 1, 2005 | Oct 31, 2005 | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2005 | — | |
| Oct 1, 2005 | Dec 31, 2005 | MR | No | No | — | 4.0 mg/L | — | Resolved | Nov 21, 2005 | — | |
| Oct 1, 2005 | Dec 31, 2005 | MR | No | No | — | 4.0 mg/L | — | Resolved | Nov 21, 2005 | — | |
| Oct 1, 2005 | Dec 31, 2005 | MR | No | No | — | 4.0 mg/L | — | Resolved | Nov 21, 2005 | — | |
| Oct 1, 2005 | Oct 31, 2005 | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2005 | — | |
| Oct 1, 2005 | Oct 31, 2005 | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2005 | — | |
| Oct 1, 2005 | Oct 31, 2005 | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2005 | — | |
| Oct 1, 2005 | Dec 31, 2005 | MR | No | No | — | 4.0 mg/L | — | Resolved | Nov 21, 2005 | — | |
| Oct 1, 2004 | Oct 31, 2004 | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2004 | — | |
| Oct 1, 2004 | Dec 31, 2004 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Nov 10, 2004 | — | |
| Oct 1, 2004 | Dec 31, 2004 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Nov 10, 2004 | — | |
| Oct 1, 2004 | Dec 31, 2004 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Nov 10, 2004 | — | |
| Oct 1, 2004 | Dec 31, 2004 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Nov 10, 2004 | — | |
| Oct 1, 2004 | Oct 31, 2004 | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2004 | — | |
| Oct 1, 2004 | Oct 31, 2004 | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2004 | — | |
| Oct 1, 2004 | Oct 31, 2004 | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2004 | — | |
| Jun 5, 2000 | Sep 30, 2002 | MCL | Yes | No | 15.5 | 15 pCi/L | — | Resolved | Sep 30, 2002 | — | |
| Jun 5, 2000 | Sep 30, 2002 | MCL | Yes | No | 15.5 | 15 pCi/L | — | Resolved | Sep 30, 2002 | — | |
| Jun 5, 2000 | Sep 30, 2002 | MCL | Yes | No | 15.5 | 15 pCi/L | — | Resolved | Sep 30, 2002 | — | |
| Jul 1, 1999 | Feb 8, 2000 | MCL | Yes | No | 5.6 | 5 pCi/L | — | Resolved | Feb 8, 2000 | — | |
| Jan 1, 1998 | — | TT | Yes | No | — | TT | — | Resolved | Jul 8, 1999 | — | |
| Jan 1, 1998 | — | TT | Yes | No | — | TT | — | Resolved | Jul 8, 1999 | — | |
| Jan 1, 1998 | — | TT | Yes | No | — | TT | — | Resolved | Jul 8, 1999 | — | |
| Jul 1, 1997 | — | TT | Yes | No | — | TT | — | Resolved | May 27, 1998 | — | |
| Jul 1, 1994 | — | MR | No | No | — | TT | — | Resolved | Dec 31, 1994 | — | |
| Oct 1, 1993 | — | MR | No | No | — | TT | — | Resolved | Dec 31, 1994 | — | |
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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.