NORTH CHICAGO, IL · Lake County
NORTH CHICAGO Water System
Current status
2 items on record are open and awaiting resolution as of July 4, 2026. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings. Full details are in the violation history below.
This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 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)
- IL0971250
- System type
- Community Water System
- Population served
- 16,813
- Service connections
- 4,211
- Ownership
- local government
- Water source
- surface water (rivers, lakes, or reservoirs)
Violation history
Consumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
July 1, 2025
UnaddressedFollow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
July 1, 2025
UnaddressedPublic Notification Violation for NPDWR Violation
—Public Notice
June 20, 2024 – June 20, 2024
ResolvedMaximum Contaminant Level Violation, Average
Health-basedDi(2-ethylhexyl) phthalate
April 1, 2024 – June 30, 2024
ResolvedFollow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
October 1, 2023 – February 28, 2024
ResolvedMaximum Contaminant Level Violation, Average
Health-basedTTHM
April 1, 2023 – June 30, 2023
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
February 1, 2019 – April 30, 2019
ResolvedMonitoring and Reporting (DBP)
—TTHM
February 1, 2019 – April 30, 2019
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
February 1, 2012 – February 29, 2012
ResolvedSingle Turbidity Exceed (Enhanced SWTR)
Health-basedInterim Enhanced Surface Water Treatment Rule
January 1, 2005 – January 31, 2005
ResolvedMonitoring, Regular
—Ethylbenzene
January 1, 2004 – December 31, 2004
ResolvedMonitoring, Regular
—Carbon tetrachloride
January 1, 2004 – December 31, 2004
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 2004 – December 31, 2004
ResolvedMonitoring, Regular
—Tetrachloroethylene
January 1, 2004 – December 31, 2004
ResolvedMonitoring, Regular
—Benzene
January 1, 2004 – December 31, 2004
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) phthalate
July 1, 2003 – September 30, 2003
ResolvedMonitoring, Regular
—Atrazine
July 1, 2003 – September 30, 2003
ResolvedInitial Tap Sampling for Pb and Cu
—Lead and Copper Rule
April 1, 1993 – September 9, 1993
ResolvedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
June 30, 1977 – June 29, 1981
Archived
Unaddressed no corrective action on record yetResolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| July 1, 2025 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Unaddressed |
| July 1, 2025 | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | — | Unaddressed |
| June 20, 2024 – June 20, 2024 | Public Notification Violation for NPDWR Violation | Public Notice | — | Resolved |
| April 1, 2024 – June 30, 2024 | Maximum Contaminant Level Violation, Average | Di(2-ethylhexyl) phthalate | Health-based | Resolved |
| October 1, 2023 – February 28, 2024 | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | — | Resolved |
| April 1, 2023 – June 30, 2023 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Resolved |
| February 1, 2019 – April 30, 2019 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| February 1, 2019 – April 30, 2019 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| February 1, 2012 – February 29, 2012 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| January 1, 2005 – January 31, 2005 | Single Turbidity Exceed (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | Health-based | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring, Regular | Benzene | — | Resolved |
| July 1, 2003 – September 30, 2003 | Monitoring, Regular | Di(2-ethylhexyl) phthalate | — | Resolved |
| July 1, 2003 – September 30, 2003 | Monitoring, Regular | Atrazine | — | Resolved |
| April 1, 1993 – September 9, 1993 | Initial Tap Sampling for Pb and Cu | Lead and Copper Rule | — | Resolved |
| June 30, 1977 – June 29, 1981 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Archived |
Unaddressed no corrective action on record yetResolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- June 13, 2023State Public Notification received220 linked violations
- September 9, 1993State Compliance achieved1 linked violation
- July 15, 1989State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- June 4, 1989State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
Contact
MILLER, BOB
847-596-8871
NORTH CHICAGO, IL 60064