PERU, IL · LaSalle County

PERU Water System

Current status

1 item on record is open and awaiting resolution as of July 4, 2026. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings. Full details are in the violation history below.

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): IL0990850
System type: Community Water System
Population served: 10,300
Service connections: 5,022
Ownership: local government
Water source: groundwater (wells)

Violation history

Public Notification Violation for NPDWR Violation
—
Public Notice
August 22, 2025 – August 22, 2025
Resolved
Notification, Known or Potential LSL
—
LEAD AND COPPER RULE REVISIONS
July 2, 2025
Unaddressed
LSL Inventory
Health-based
LEAD AND COPPER RULE REVISIONS
October 17, 2024 – April 11, 2025
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
June 1, 2023 – June 30, 2023
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2023 – June 30, 2023
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2012 – September 19, 2012
Resolved
Public Education
Health-based
Lead and Copper Rule
January 1, 1993 – December 6, 1993
Resolved
OCCT/SOWT Study/Recommendation
Health-based
Lead and Copper Rule
December 7, 1992 – January 24, 1994
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
June 30, 1977 – June 29, 1981
Archived

Resolved addressed and confirmed by the stateUnaddressed no corrective action on record yetArchived closed in EPA's records (typically due to age or a data correction)

Period	Violation	Contaminant / rule	Health-based	Status
August 22, 2025 – August 22, 2025	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
July 2, 2025	Notification, Known or Potential LSL	LEAD AND COPPER RULE REVISIONS	—	Unaddressed
October 17, 2024 – April 11, 2025	LSL Inventory	LEAD AND COPPER RULE REVISIONS	Health-based	Resolved
June 1, 2023 – June 30, 2023	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
April 1, 2023 – June 30, 2023	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
July 1, 2012 – September 19, 2012	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
January 1, 1993 – December 6, 1993	Public Education	Lead and Copper Rule	Health-based	Resolved
December 7, 1992 – January 24, 1994	OCCT/SOWT Study/Recommendation	Lead and Copper Rule	Health-based	Resolved
June 30, 1977 – June 29, 1981	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived

Resolved addressed and confirmed by the stateUnaddressed no corrective action on record yetArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

September 24, 2025State Violation/Reminder Notice1 linked violation
August 28, 2025State Public Notification received1 linked violation
August 28, 2025State Public Notification received1 linked violation
August 22, 2025State Compliance achieved1 linked violation
July 22, 2025State Public Notification requested1 linked violation
July 22, 2025State Violation/Reminder Notice1 linked violation
July 3, 2025State Violation/Reminder Notice1 linked violation
July 3, 2025State Public Notification requested1 linked violation
April 11, 2025State Compliance achieved1 linked violation
June 12, 2024State Public Notification received2 linked violations
June 12, 2024State Public Notification received2 linked violations
August 15, 2023State Violation/Reminder Notice1 linked violation
August 15, 2023State Violation/Reminder Notice1 linked violation
August 15, 2023State Public Notification requested1 linked violation
August 15, 2023State Public Notification requested1 linked violation
July 28, 2023State Compliance achieved1 linked violation
July 28, 2023State Compliance achieved1 linked violation
September 12, 2012State Violation/Reminder Notice1 linked violation
March 29, 1994State Violation/Reminder Notice1 linked violation
March 29, 1994State Public Notification requested1 linked violation
January 24, 1994State Compliance achieved1 linked violation
December 6, 1993State Compliance achieved1 linked violation

Contact

CARLS, ERIC

815-224-6020

PERU, IL 61354