LA GRANGE, IL · Cook County
LA GRANGE Water System
Consumer Confidence Report status
LA GRANGE 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 3 items for LA GRANGE that are 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)
- IL0311530
- System type
- Community Water System
- Population served
- 16,200
- Service connections
- 5,152
- Ownership
- local government
- Water source
- surface water (rivers, lakes, or reservoirs)
LA GRANGE is one of 225 community water systems in Illinois in the 10,001 to 100,000 people size category, serving 16,200 people from surface water.
As of August 1, 2026, its federal record holds 6 entries between 1991 and 2025, of which 3 remain open; none are health-based.
Of the 6, 2 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 Consumer Confidence Rule, the Total Coliform Rules, and the Lead and Copper Rule.
Violation history
Notification, Known or Potential LSL
—LEAD AND COPPER RULE REVISIONS
July 2, 2025
UnaddressedConsumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
July 1, 2025
UnaddressedConsumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
July 1, 2024
UnaddressedConsumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
July 1, 2023 – February 21, 2024
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
November 1, 1996 – November 30, 1996
ArchivedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
June 1, 1991 – June 30, 1991
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 2, 2025 | Notification, Known or Potential LSL | LEAD AND COPPER RULE REVISIONS | — | Unaddressed |
| July 1, 2025 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Unaddressed |
| July 1, 2024 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Unaddressed |
| July 1, 2023 – February 21, 2024 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Resolved |
| November 1, 1996 – November 30, 1996 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Archived |
| June 1, 1991 – June 30, 1991 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | 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
- October 21, 2025State Violation/Reminder Notice1 linked violation
- July 3, 2025State Public Notification requested1 linked violation
- July 3, 2025State Violation/Reminder Notice1 linked violation
- October 17, 2024State Violation/Reminder Notice1 linked violation
- February 21, 2024State Compliance achieved1 linked violation
- December 19, 2023State Violation/Reminder Notice1 linked violation
- January 18, 1997State Public Notification requested1 linked violation
- January 18, 1997State Violation/Reminder Notice1 linked violation
- July 16, 1994State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- July 16, 1994State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
- July 27, 1991State Violation/Reminder Notice1 linked violation
- July 27, 1991State Public Notification requested1 linked violation
Common questions
Is LA GRANGE required to publish a Consumer Confidence Report?
- Yes. LA GRANGE 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 LA GRANGE’s next Consumer Confidence Report due?
- LA GRANGE’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does LA GRANGE have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show 3 items for LA GRANGE that are 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
COLBY, RICHARD
708-579-2328
LA GRANGE, IL 60525