NORTHFIELD, IL · Cook County
NORTHFIELD Water System
Consumer Confidence Report status
NORTHFIELD must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.
As of August 1, 2026, EPA's federal records show 1 item for NORTHFIELD that is open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 2026. This is a record-keeping and public-information tool — it does not replace Illinois’s official records. Always confirm current status with Illinois before making decisions based on this information.
System facts
- System ID (PWSID)
- IL0312100
- System type
- Community Water System
- Population served
- 5,470
- Service connections
- 2,125
- Ownership
- local government
- Water source
- surface water (rivers, lakes, or reservoirs)
NORTHFIELD is one of 248 community water systems in Illinois in the 3,301 to 10,000 people size category, serving 5,470 people from surface water.
As of August 1, 2026, its federal record holds 1 entry in 2026, of which 1 remains open; none are health-based.
All 1 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves the Lead and Copper Rule.
Violation history
Follow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
January 1, 2026
Unaddressed
Unaddressed no corrective action on record yet
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| January 1, 2026 | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | — | Unaddressed |
Unaddressed no corrective action on record yet
Enforcement actions
- January 27, 2026State Violation/Reminder Notice3 linked violations
- October 6, 1993State Compliance achieved1 linked violation
Common questions
Is NORTHFIELD required to publish a Consumer Confidence Report?
- Yes. NORTHFIELD is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is NORTHFIELD’s next Consumer Confidence Report due?
- NORTHFIELD’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does NORTHFIELD have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show 1 item for NORTHFIELD that is open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.
What is a Consumer Confidence Report?
- A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.
Contact
NYSTRAND, MICHAEL S.
847-784-3581
NORTHFIELD, IL 60093