WOODSTOCK
Illinois — Community Water System — PWSID: IL1110950
System Information
| PWSID | IL1110950 |
| System Name | WOODSTOCK |
| 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 | WOODSTOCK |
| ZIP Code | 60098 |
| Address | 326 WASHINGTON ST |
| Organization | AYMOND, BRENT |
| Phone | 815-338-6118 |
Population & Service
| Population Served | 25,630 |
| Service Connections | 8,995 |
Drinking Water Violations (28)
This water system has 28 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Mar 5, 2025 | — | Public Notice | Other | No | No | — | — | — | Resolved | Mar 13, 2025 | Public Notice Rule and Revised PN Rule |
| Mar 5, 2025 | — | Public Notice | Other | No | No | — | — | — | Resolved | Mar 13, 2025 | Public Notice Rule and Revised PN Rule |
| Jan 1, 2025 | Mar 31, 2025 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Mar 31, 2025 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2025 | Mar 31, 2025 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Mar 31, 2025 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2025 | Mar 31, 2025 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Mar 31, 2025 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2025 | Mar 31, 2025 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Mar 31, 2025 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2025 | Mar 31, 2025 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Mar 31, 2025 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2025 | Mar 31, 2025 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Mar 31, 2025 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 2, 2024 | — | Lead and Copper Rule | TT | Yes | No | — | TT | — | Resolved | Feb 17, 2025 | Lead and Copper Rule |
| Apr 2, 2024 | — | Lead and Copper Rule | TT | Yes | No | — | TT | — | Resolved | Feb 17, 2025 | Lead and Copper Rule |
| Apr 2, 2024 | — | Lead and Copper Rule | TT | Yes | No | — | TT | — | Resolved | Feb 17, 2025 | Lead and Copper Rule |
| Apr 2, 2024 | — | Lead and Copper Rule | TT | Yes | No | — | TT | — | Resolved | Feb 17, 2025 | Lead and Copper Rule |
| Jan 1, 1997 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Apr 9, 1998 | Lead and Copper Rule |
| Aug 1, 1996 | Aug 31, 1996 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Aug 31, 1996 | Total Coliform Rule |
| Aug 1, 1996 | Aug 31, 1996 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Aug 31, 1996 | Total Coliform Rule |
| Aug 1, 1996 | Aug 31, 1996 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Aug 31, 1996 | Total Coliform Rule |
| Aug 1, 1996 | Aug 31, 1996 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Aug 31, 1996 | Total Coliform Rule |
| Aug 1, 1996 | Aug 31, 1996 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Aug 31, 1996 | Total Coliform Rule |
| Aug 1, 1996 | Aug 31, 1996 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Aug 31, 1996 | Total Coliform Rule |
| Dec 1, 1992 | Dec 31, 1992 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Dec 31, 1992 | Total Coliform Rule |
| Dec 1, 1992 | Dec 31, 1992 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Dec 31, 1992 | Total Coliform Rule |
| Dec 1, 1992 | Dec 31, 1992 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Dec 31, 1992 | Total Coliform Rule |
| Feb 1, 1991 | Feb 28, 1991 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Feb 28, 1991 | Total Coliform Rule |
| Feb 1, 1991 | Feb 28, 1991 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Feb 28, 1991 | Total Coliform Rule |
| Feb 1, 1991 | Feb 28, 1991 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Feb 28, 1991 | Total Coliform 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 | — | — | — | — | — | — | |
| — | — | — | 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.