WASCO, IL · Kane County

WASCO SD 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): IL0890110
System type: Community Water System
Population served: 4,000
Service connections: 1,195
Ownership: local government
Water source: groundwater (wells)

Violation history

Monitoring, Regular
—
Combined Radium (-226 and -228)
July 1, 2022 – September 30, 2022
Resolved
Monitoring, Regular
—
Combined Uranium
July 1, 2022 – September 30, 2022
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
April 1, 2005 – May 11, 2005
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
January 1, 2005 – March 31, 2005
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
July 1, 2004 – September 30, 2004
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
April 1, 2004 – June 30, 2004
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
January 1, 2004 – March 31, 2004
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
January 1, 2004 – March 31, 2004
Resolved
Monitoring, Regular
—
Combined Radium (-226 and -228)
January 1, 2004 – March 31, 2004
Resolved
Monitoring, Regular
—
Combined Uranium
January 1, 2004 – March 31, 2004
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
October 1, 2003 – December 31, 2003
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
July 1, 2003 – September 30, 2003
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
April 1, 2003 – June 30, 2003
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
October 1, 2002 – December 31, 2002
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Gross Alpha, Excl. Radon and U
August 1, 2001 – September 30, 2002
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Gross Alpha, Excl. Radon and U
September 26, 2000 – February 20, 2001
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
July 1, 2022 – September 30, 2022	Monitoring, Regular	Combined Radium (-226 and -228)	—	Resolved
July 1, 2022 – September 30, 2022	Monitoring, Regular	Combined Uranium	—	Resolved
April 1, 2005 – May 11, 2005	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
January 1, 2005 – March 31, 2005	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
July 1, 2004 – September 30, 2004	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
April 1, 2004 – June 30, 2004	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
January 1, 2004 – March 31, 2004	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
January 1, 2004 – March 31, 2004	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
January 1, 2004 – March 31, 2004	Monitoring, Regular	Combined Radium (-226 and -228)	—	Resolved
January 1, 2004 – March 31, 2004	Monitoring, Regular	Combined Uranium	—	Resolved
October 1, 2003 – December 31, 2003	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
July 1, 2003 – September 30, 2003	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
April 1, 2003 – June 30, 2003	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
October 1, 2002 – December 31, 2002	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
August 1, 2001 – September 30, 2002	Maximum Contaminant Level Violation, Average	Gross Alpha, Excl. Radon and U	Health-based	Resolved
September 26, 2000 – February 20, 2001	Maximum Contaminant Level Violation, Average	Gross Alpha, Excl. Radon and U	Health-based	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

October 25, 2022State Compliance achieved2 linked violations
October 18, 2022State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
October 18, 2022State Violation/Reminder Notice1 linked violation
October 18, 2022State Violation/Reminder Notice1 linked violation
January 24, 2022State Compliance achieved1 linked violation
January 19, 2022State Violation/Reminder Notice1 linked violation
January 19, 2022State Violation/Reminder Notice1 linked violation
August 29, 2005State Public Notification received1 linked violation
August 22, 2005State Public Notification received1 linked violation
May 26, 2005State Public Notification received2 linked violations
May 11, 2005State Violation/Reminder Notice1 linked violation
May 11, 2005State Public Notification requested1 linked violation
May 11, 2005State Compliance achieved12 linked violations
April 8, 2005State Public Notification requested1 linked violation
April 8, 2005State Violation/Reminder Notice1 linked violation
January 7, 2005State Violation/Reminder Notice1 linked violation
January 7, 2005State Public Notification requested1 linked violation
December 16, 2004State Public Notification received1 linked violation
October 19, 2004State Violation/Reminder Notice1 linked violation
October 19, 2004State Public Notification requested1 linked violation
September 9, 2004State Public Notification received1 linked violation
July 10, 2004State Public Notification requested1 linked violation
July 10, 2004State Violation/Reminder Notice1 linked violation
June 3, 2004State Public Notification received1 linked violation
June 3, 2004State Public Notification received1 linked violation
June 3, 2004State Public Notification received1 linked violation
May 21, 2004State Violation/Reminder Notice1 linked violation
May 21, 2004State Public Notification requested1 linked violation
May 21, 2004State Violation/Reminder Notice3 linked violations
May 21, 2004State Public Notification requested1 linked violation
May 21, 2004State Violation/Reminder Notice1 linked violation
May 21, 2004State Public Notification requested1 linked violation
April 10, 2004State Public Notification requested1 linked violation
April 10, 2004State Violation/Reminder Notice1 linked violation
April 5, 2004State Compliance achieved3 linked violations
March 31, 2004State Public Notification received2 linked violations
February 11, 2004State Public Notification received1 linked violation
February 10, 2004State Bilateral Compliance Agreement signed12 linked violations
January 27, 2004State Formal Notice of Violation issued12 linked violations
January 10, 2004State Violation/Reminder Notice1 linked violation
January 10, 2004State Public Notification requested1 linked violation
December 1, 2003State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
December 1, 2003State Public Notification received1 linked violation
December 1, 2003State Public Notification received1 linked violation
July 10, 2003State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
July 10, 2003State Public Notification requested1 linked violation
July 10, 2003State Violation/Reminder Notice1 linked violation
July 10, 2003State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
May 5, 2003State Public Notification received2 linked violations
May 5, 2003State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
May 5, 2003State Public Notification received2 linked violations
May 5, 2003State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
April 14, 2003State Compliance achieved1 linked violation
April 10, 2003State Violation/Reminder Notice1 linked violation
April 10, 2003State Public Notification requested1 linked violation
April 10, 2003State Violation/Reminder Notice1 linked violation
January 10, 2003State Violation/Reminder Notice1 linked violation
January 10, 2003State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
January 10, 2003State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
January 10, 2003State Public Notification requested1 linked violation
December 20, 2001State Bilateral Compliance Agreement signed4 linked violations
September 24, 1995State Violation/Reminder Notice1 linked violation
September 24, 1995State Public Notification requested1 linked violation
August 26, 1995State Violation/Reminder Notice1 linked violation
August 26, 1995State Public Notification requested1 linked violation
August 21, 1995State Public Notification received2 linked violations

Contact

MILOSAVLJEVIC, DANIELLE

630-443-0111

WASCO, IL 60183