OREGON, IL · Ogle County
OREGON 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)
- IL1410400
- System type
- Community Water System
- Population served
- 3,449
- Service connections
- 1,569
- Ownership
- local government
- Water source
- groundwater (wells)
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
UnaddressedLSL Inventory
Health-basedLEAD AND COPPER RULE REVISIONS
October 17, 2024 – April 14, 2025
ResolvedMonitoring, Regular
—Combined Radium (-226 and -228)
July 1, 2023 – September 30, 2023
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
January 1, 2023 – December 31, 2023
ResolvedMonitoring and Reporting (DBP)
—TTHM
January 1, 2023 – December 31, 2023
ResolvedMaximum Contaminant Level Violation, Average
Health-basedCombined Radium (-226 and -228)
January 1, 2004 – March 31, 2004
ResolvedMaximum Contaminant Level Violation, Acute (TCR)
Health-basedColiform (TCR)
May 1, 1994 – May 31, 1994
ArchivedMonitoring, 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 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 |
| October 17, 2024 – April 14, 2025 | LSL Inventory | LEAD AND COPPER RULE REVISIONS | Health-based | Resolved |
| July 1, 2023 – September 30, 2023 | Monitoring, Regular | Combined Radium (-226 and -228) | — | Resolved |
| January 1, 2023 – December 31, 2023 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| January 1, 2023 – December 31, 2023 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| January 1, 2004 – March 31, 2004 | Maximum Contaminant Level Violation, Average | Combined Radium (-226 and -228) | Health-based | Resolved |
| May 1, 1994 – May 31, 1994 | Maximum Contaminant Level Violation, Acute (TCR) | Coliform (TCR) | Health-based | Archived |
| 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
- July 16, 1994State Violation/Reminder Notice2 linked violations
- July 16, 1994State Public Notification requested2 linked violations
- June 22, 1994State Public Notification received2 linked violations
- June 10, 1994State Public Notification received2 linked violations
- May 16, 1994State Public Notification received2 linked violations
Contact
PENNINGTON, JEFFERY A.
815-732-7098
OREGON, IL 61061