NORTHFIELD
Illinois — Community Water System — PWSID: IL0312100
System Information
| PWSID | IL0312100 |
| System Name | NORTHFIELD |
| System Type | Community Water System |
| Water Source | Surface Water Purchased |
| 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 | NORTHFIELD |
| ZIP Code | 60093 |
| Address | 1800 WINNETKA AVENUE |
| Organization | NYSTRAND, MICHAEL S. |
| Phone | 847-784-3581 |
Population & Service
| Population Served | 5,470 |
| Service Connections | 2,125 |
Drinking Water Violations (2)
This water system has 2 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Dec 7, 1992 | — | Lead and Copper Rule | TT | Yes | No | — | TT | — | Resolved | Oct 6, 1993 | Lead and Copper Rule |
| Dec 7, 1992 | — | Lead and Copper Rule | TT | Yes | No | — | TT | — | Resolved | Oct 6, 1993 | Lead and Copper Rule |
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.