GILMAN
Illinois — Community Water System — PWSID: IL0750450
System Information
| PWSID | IL0750450 |
| System Name | GILMAN |
| 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 | Dec 4, 2025 |
Location & Contact
| State | Illinois |
| City | GILMAN |
| ZIP Code | 60938 |
| Address | 215 N CENTRAL |
| Organization | THEESFELD, RICK |
| Phone | 815-265-4213 |
Population & Service
| Population Served | 1,793 |
| Service Connections | 900 |
Drinking Water Violations (34)
This water system has 34 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 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Unaddressed | — | Consumer Confidence Rule |
| Oct 1, 2024 | Dec 31, 2024 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Dec 31, 2024 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2024 | Dec 31, 2024 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Dec 31, 2024 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2024 | Dec 31, 2024 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Dec 31, 2024 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2024 | Dec 31, 2024 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Dec 31, 2024 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2024 | Dec 31, 2024 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Dec 31, 2024 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2024 | Dec 31, 2024 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Dec 31, 2024 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2024 | Dec 31, 2024 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Dec 31, 2024 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2024 | Dec 31, 2024 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Dec 31, 2024 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2017 | Dec 31, 2017 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2017 | Lead and Copper Rule |
| Jul 1, 2017 | Dec 31, 2017 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2017 | Lead and Copper Rule |
| Jul 1, 2007 | Dec 31, 2007 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2007 | Lead and Copper Rule |
| Jul 1, 2007 | Dec 31, 2007 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2007 | Lead and Copper Rule |
| Jan 1, 2006 | Jun 30, 2006 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jun 30, 2006 | Lead and Copper Rule |
| Jan 1, 2006 | Jun 30, 2006 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jun 30, 2006 | Lead and Copper Rule |
| Jan 1, 2005 | Dec 31, 2007 | Nitrite | MR | No | Yes | — | 1 mg/L | — | Resolved | Dec 31, 2007 | Nitrate Rule |
| Jan 1, 2005 | Dec 31, 2007 | Nitrite | MR | No | Yes | — | 1 mg/L | — | Resolved | Dec 31, 2007 | Nitrate Rule |
| Nov 7, 2003 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jun 10, 2004 | Consumer Confidence Rule |
| Nov 7, 2003 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jun 10, 2004 | Consumer Confidence Rule |
| Jul 1, 2002 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2002 | Lead and Copper Rule |
| Jul 1, 2002 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2002 | Lead and Copper Rule |
| Jul 1, 2002 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2002 | Lead and Copper Rule |
| Jul 1, 2002 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jun 10, 2004 | Consumer Confidence Rule |
| Jul 1, 2002 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jun 10, 2004 | Consumer Confidence Rule |
| Jul 1, 2001 | Dec 31, 2001 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2001 | Lead and Copper Rule |
| Apr 1, 2001 | Jun 30, 2001 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jun 30, 2001 | Lead and Copper Rule |
| Jan 1, 2001 | Mar 31, 2001 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Mar 31, 2001 | Lead and Copper Rule |
| Nov 1, 2000 | Nov 30, 2000 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Nov 30, 2000 | Total Coliform Rule |
| Nov 1, 2000 | Nov 30, 2000 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Nov 30, 2000 | Total Coliform Rule |
| Jan 1, 1999 | — | Lead and Copper Rule | TT | Yes | No | — | TT | — | Resolved | Dec 23, 1999 | Lead and Copper Rule |
| Jan 1, 1999 | — | Lead and Copper Rule | TT | Yes | No | — | TT | — | Resolved | Dec 23, 1999 | Lead and Copper Rule |
| Jan 1, 1999 | — | Lead and Copper Rule | TT | Yes | No | — | TT | — | Resolved | Dec 23, 1999 | Lead and Copper Rule |
| Jun 30, 1977 | Jun 29, 1981 | Gross Alpha, Excl. Radon and U | MR | No | No | — | 15 pCi/L | — | Archived | Jun 29, 1981 | Radionuclides and Revised Rad Rule |
| — | — | — | 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.