OQUAWKA, IL · Henderson County

OQUAWKA Water System

Current status

No open violations on record as of July 4, 2026.

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): IL0710300
System type: Community Water System
Population served: 1,125
Service connections: 650
Ownership: local government
Water source: groundwater (wells)

Violation history

Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
December 1, 1992 – December 31, 1992
Archived
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
June 30, 1977 – June 29, 1981
Archived

Archived closed in EPA's records (typically due to age or a data correction)

Period	Violation	Contaminant / rule	Health-based	Status
December 1, 1992 – December 31, 1992	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Archived
June 30, 1977 – June 29, 1981	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived

Archived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

October 1, 2025State Compliance achieved1 linked violation
June 19, 2025State Public Notification received1 linked violation
January 21, 2025State Public Notification requested1 linked violation
January 21, 2025State Violation/Reminder Notice1 linked violation
September 25, 2023State Public Notification received1 linked violation
September 25, 2023State Public Notification received1 linked violation
October 3, 2022State Public Notification requested1 linked violation
October 3, 2022State Violation/Reminder Notice1 linked violation
October 3, 2022State Public Notification requested1 linked violation
October 3, 2022State Compliance achieved2 linked violations
October 30, 2006State Compliance achieved1 linked violation
October 17, 2006State Violation/Reminder Notice1 linked violation
January 30, 1993State Public Notification requested1 linked violation
January 30, 1993State Violation/Reminder Notice1 linked violation
January 27, 1993State Public Notification received1 linked violation

Contact

THACKER, CAREY

309-867-3481

OQUAWKA, IL 61469