DEKALB, IL · DeKalb County

DEKALB 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): IL0370100
System type: Community Water System
Population served: 45,000
Service connections: 11,104
Ownership: local government
Water source: groundwater (wells)

Violation history

Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
July 1, 2025 – November 21, 2025
Resolved
Monitoring, Regular
—
Combined Radium (-226 and -228)
January 1, 2022 – December 31, 2022
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
June 1, 2018 – June 30, 2018
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2018 – June 30, 2018
Resolved
Monitoring, Regular
—
Combined Radium (-226 and -228)
January 1, 2011 – March 31, 2011
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
October 1, 1999 – October 31, 1999
Archived
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
December 1, 1998 – May 14, 2002
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
January 1, 1995 – November 30, 1998
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
December 1, 1994 – November 30, 1998
Resolved
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
April 1, 1992 – September 22, 1993
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
February 1, 1992 – February 29, 1992
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
July 1, 2025 – November 21, 2025	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
January 1, 2022 – December 31, 2022	Monitoring, Regular	Combined Radium (-226 and -228)	—	Resolved
June 1, 2018 – June 30, 2018	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
April 1, 2018 – June 30, 2018	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
January 1, 2011 – March 31, 2011	Monitoring, Regular	Combined Radium (-226 and -228)	—	Resolved
October 1, 1999 – October 31, 1999	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Archived
December 1, 1998 – May 14, 2002	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
January 1, 1995 – November 30, 1998	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
December 1, 1994 – November 30, 1998	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
April 1, 1992 – September 22, 1993	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Resolved
February 1, 1992 – February 29, 1992	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived

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

Enforcement actions

November 21, 2025State Compliance achieved1 linked violation
September 20, 2025State Violation/Reminder Notice1 linked violation
January 30, 2024State Public Notification received1 linked violation
February 21, 2023State Compliance achieved1 linked violation
February 10, 2023State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
February 10, 2023State Violation/Reminder Notice1 linked violation
March 29, 2019State Public Notification received1 linked violation
March 29, 2019State Public Notification received1 linked violation
July 25, 2018State Compliance achieved2 linked violations
July 16, 2018State Violation/Reminder Notice1 linked violation
July 16, 2018State Public Notification requested1 linked violation
July 16, 2018State Violation/Reminder Notice1 linked violation
July 16, 2018State Public Notification requested1 linked violation
April 20, 2011State Compliance achieved1 linked violation
April 14, 2011State Violation/Reminder Notice1 linked violation
April 14, 2011State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
May 14, 2002State Compliance achieved5 linked violations
September 17, 2001State Other3 linked violations
December 15, 1999State Public Notification requested1 linked violation
December 15, 1999State Violation/Reminder Notice1 linked violation
May 1, 1998State Public Notification received2 linked violations
March 1, 1998State Public Notification received2 linked violations
February 20, 1998State Public Notification received2 linked violations
November 20, 1997State Public Notification received2 linked violations
September 5, 1997State Public Notification received2 linked violations
August 6, 1997State Public Notification received2 linked violations
June 18, 1997State Public Notification received2 linked violations
June 4, 1997State Public Notification received2 linked violations
May 1, 1997State Public Notification received2 linked violations
April 2, 1997State Public Notification received2 linked violations
March 6, 1997State Public Notification received2 linked violations
January 20, 1997State Public Notification received2 linked violations
January 1, 1997State Public Notification received2 linked violations
December 2, 1996State Public Notification received2 linked violations
November 1, 1996State Public Notification received2 linked violations
August 1, 1996State Public Notification received2 linked violations
May 2, 1996State Public Notification received2 linked violations
March 5, 1996State Public Notification received2 linked violations
September 29, 1995State Public Notification received2 linked violations
June 1, 1994State Public Notification received1 linked violation
July 15, 1993State Public Notification received1 linked violation
April 30, 1993State Public Notification received1 linked violation
September 27, 1992State Violation/Reminder Notice1 linked violation
September 7, 1992State Public Notification received1 linked violation
August 24, 1992State Public Notification requested1 linked violation
April 10, 1992State Public Notification received1 linked violation
March 27, 1992State Violation/Reminder Notice1 linked violation
March 27, 1992State Public Notification requested1 linked violation
January 24, 1992State Public Notification received1 linked violation
October 23, 1991State Public Notification received2 linked violations
October 16, 1991State Public Notification requested1 linked violation
July 23, 1991State Public Notification requested1 linked violation
June 20, 1991State Administrative/Compliance Order without penalty issued1 linked violation
June 14, 1991State Public Notification received1 linked violation
June 1, 1991State Violation/Reminder Notice1 linked violation

Contact

ANDERSON, MATT

815-748-2050

DEKALB, IL 60115