TISKILWA, IL · Bureau County

TISKILWA 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): IL0111050
System type: Community Water System
Population served: 740
Service connections: 360
Ownership: local government
Water source: groundwater (wells)

Violation history

Monitoring, Regular
—
Diquat
January 1, 2020 – December 31, 2022
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2003 – July 3, 2003
Resolved
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
July 1, 2000 – July 31, 2000
Archived
Water Quality Parameter M/R
—
Lead and Copper Rule
April 1, 2000 – June 30, 2000
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
January 1, 2000 – June 30, 2001
Resolved
Water Quality Parameter M/R
—
Lead and Copper Rule
January 1, 2000 – March 31, 2000
Resolved
Water Quality Parameter M/R
—
Lead and Copper Rule
October 1, 1999 – December 31, 1999
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
July 1, 1999 – June 30, 2001
Resolved
Water Quality Parameter M/R
—
Lead and Copper Rule
January 1, 1999 – June 30, 1999
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
August 1, 1997 – August 31, 1997
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
May 1, 1994 – May 31, 1994
Archived
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
September 1, 1992 – September 30, 1992
Archived
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
June 30, 1977 – June 29, 1981
Archived

Resolved 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
January 1, 2020 – December 31, 2022	Monitoring, Regular	Diquat	—	Resolved
July 1, 2003 – July 3, 2003	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 2000 – July 31, 2000	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Archived
April 1, 2000 – June 30, 2000	Water Quality Parameter M/R	Lead and Copper Rule	—	Resolved
January 1, 2000 – June 30, 2001	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
January 1, 2000 – March 31, 2000	Water Quality Parameter M/R	Lead and Copper Rule	—	Resolved
October 1, 1999 – December 31, 1999	Water Quality Parameter M/R	Lead and Copper Rule	—	Resolved
July 1, 1999 – June 30, 2001	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
January 1, 1999 – June 30, 1999	Water Quality Parameter M/R	Lead and Copper Rule	—	Resolved
August 1, 1997 – August 31, 1997	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
May 1, 1994 – May 31, 1994	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
September 1, 1992 – September 30, 1992	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Archived
June 30, 1977 – June 29, 1981	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

August 8, 2025State Public Notification received1 linked violation
July 22, 2025State Public Notification requested1 linked violation
July 22, 2025State Violation/Reminder Notice1 linked violation
May 8, 2025State Compliance achieved1 linked violation
June 23, 2023State Compliance achieved2 linked violations
May 15, 2023State Public Notification received1 linked violation
May 15, 2023State Public Notification received1 linked violation
February 8, 2023State Public Notification requested1 linked violation
February 8, 2023State Violation/Reminder Notice1 linked violation
February 7, 2023State Public Notification requested1 linked violation
February 7, 2023State Violation/Reminder Notice1 linked violation
June 30, 2009State Compliance achieved1 linked violation
February 3, 2009State Public Notification received1 linked violation
January 20, 2009State Violation/Reminder Notice1 linked violation
January 20, 2009State Public Notification requested1 linked violation
July 10, 2003State Violation/Reminder Notice1 linked violation
July 3, 2003State Compliance achieved1 linked violation
October 18, 1997State Violation/Reminder Notice1 linked violation
October 18, 1997State Public Notification requested1 linked violation
February 9, 1995State Compliance achieved1 linked violation
August 4, 1994State Public Notification received1 linked violation
August 4, 1994State Public Notification received1 linked violation
July 16, 1994State Violation/Reminder Notice1 linked violation
July 16, 1994State Public Notification requested1 linked violation
July 16, 1994State Violation/Reminder Notice1 linked violation
July 16, 1994State Public Notification requested1 linked violation
November 5, 1992State Public Notification received1 linked violation
October 24, 1992State Violation/Reminder Notice1 linked violation
October 24, 1992State Public Notification requested1 linked violation
June 29, 1991State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
June 29, 1991State Public Notification requestedgeneral compliance action — not tied to a specific violation on record

Contact

ACKER, DANIEL

815-303-7814

TISKILWA, IL 61368