WASHINGTON
Illinois — Community Water System — PWSID: IL1790750
System Information
| PWSID | IL1790750 |
| System Name | WASHINGTON |
| 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 | WASHINGTON |
| ZIP Code | 61571 |
| Address | 301 WALNUT STREET |
| Organization | RITTENHOUSE, BRIAN |
| Phone | — |
Population & Service
| Population Served | 14,793 |
| Service Connections | 5,067 |
Drinking Water Violations (9)
This water system has 9 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 | — | — | — | Resolved | Sep 5, 2025 | Consumer Confidence Rule |
| Jul 1, 2025 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Sep 5, 2025 | Consumer Confidence Rule |
| Dec 30, 2021 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jan 26, 2022 | Lead and Copper Rule |
| Dec 30, 2021 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jan 26, 2022 | Lead and Copper Rule |
| Dec 7, 1992 | — | Lead and Copper Rule | TT | Yes | No | — | TT | — | Resolved | Mar 17, 1994 | Lead and Copper Rule |
| Dec 7, 1992 | — | Lead and Copper Rule | TT | Yes | No | — | TT | — | Resolved | Mar 17, 1994 | 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 | — | — | — | — | — | — | |
| — | — | — | 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.