SANDWICH, IL · DeKalb County

SANDWICH 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): IL0374850
System type: Community Water System
Population served: 7,156
Service connections: 2,777
Ownership: local government
Water source: groundwater (wells)

Violation history

Notification, Known or Potential LSL
—
LEAD AND COPPER RULE REVISIONS
July 2, 2025 – July 2, 2025
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
July 1, 1998 – July 6, 2000
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
January 1, 1993 – January 31, 1993
Archived
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 1992 – March 31, 1992
Archived
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 1992 – March 31, 1992
Archived
Maximum Contaminant Level Violation, Average
Health-based
Trichloroethylene
July 1, 1990 – September 30, 1990
Archived
Maximum Contaminant Level Violation, Average
Health-based
Trichloroethylene
April 1, 1990 – June 30, 1990
Archived
Monitoring, Regular
—
Benzene
April 1, 1989 – June 30, 1989
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
April 1, 1989 – June 30, 1989
Resolved
Monitoring, Regular
—
Trichloroethylene
April 1, 1989 – June 30, 1989
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
April 1, 1989 – June 30, 1989
Resolved

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 2, 2025 – July 2, 2025	Notification, Known or Potential LSL	LEAD AND COPPER RULE REVISIONS	—	Resolved
July 1, 1998 – July 6, 2000	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
January 1, 1993 – January 31, 1993	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Archived
January 1, 1992 – March 31, 1992	Monitoring, Regular	1,1-Dichloroethylene	—	Archived
January 1, 1992 – March 31, 1992	Monitoring, Regular	p-Dichlorobenzene	—	Archived
July 1, 1990 – September 30, 1990	Maximum Contaminant Level Violation, Average	Trichloroethylene	Health-based	Archived
April 1, 1990 – June 30, 1990	Maximum Contaminant Level Violation, Average	Trichloroethylene	Health-based	Archived
April 1, 1989 – June 30, 1989	Monitoring, Regular	Benzene	—	Resolved
April 1, 1989 – June 30, 1989	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
April 1, 1989 – June 30, 1989	Monitoring, Regular	Trichloroethylene	—	Resolved
April 1, 1989 – June 30, 1989	Monitoring, Regular	p-Dichlorobenzene	—	Resolved

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

Enforcement actions

July 3, 2025State Violation/Reminder Notice1 linked violation
July 3, 2025State Public Notification requested1 linked violation
July 2, 2025State Compliance achieved1 linked violation
July 6, 2000State Compliance achieved6 linked violations
December 20, 1997State Violation/Reminder Notice1 linked violation
December 20, 1997State Public Notification requested1 linked violation
June 1, 1995State Compliance achieved1 linked violation
July 16, 1994State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
July 16, 1994State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
April 20, 1993State Compliance achieved7 linked violations
February 28, 1993State Public Notification requested2 linked violations
February 28, 1993State Violation/Reminder Notice2 linked violations
July 1, 1990State Violation/Reminder Notice1 linked violation
July 1, 1990State Public Notification requested1 linked violation
April 1, 1990State Public Notification requested1 linked violation
April 1, 1990State Violation/Reminder Notice1 linked violation
April 1, 1989State Public Notification requested7 linked violations

Contact

LATHAM, TODD

815-786-9321

SANDWICH, IL 60548