POTOMAC, IL · Vermilion County

POTOMAC Water System

Current status

1 open health-based violation on record as of July 4, 2026, alongside 3 other open item(s). See the violation history below for contaminant and status details.

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): IL1830650
System type: Community Water System
Population served: 685
Service connections: 299
Ownership: local government
Water source: groundwater (wells)

Violation history

Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2025
Unaddressed
Public Notification Violation for NPDWR Violation
—
Public Notice
August 22, 2025
Unaddressed
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
Unaddressed
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
July 1, 2022 – June 22, 2023
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
April 14, 2022 – June 13, 2022
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
October 22, 2021 – July 16, 2025
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2021 – September 30, 2021
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
March 1, 2021 – March 31, 2021
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2021 – March 31, 2021
Resolved
Lead Consumer Notice
—
Lead and Copper Rule
December 30, 2019 – March 4, 2020
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
September 1, 2019 – August 31, 2020
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2003 – July 31, 2003
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
April 1, 1998 – April 30, 1998
Archived
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
July 1, 1994 – December 31, 1994
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
January 1, 1991 – January 31, 1991
Archived
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
June 30, 1977 – June 29, 1981
Archived

Unaddressed no corrective action on record yetResolved 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
October 1, 2025	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Unaddressed
August 22, 2025	Public Notification Violation for NPDWR Violation	Public Notice	—	Unaddressed
July 2, 2025	Notification, Known or Potential LSL	LEAD AND COPPER RULE REVISIONS	—	Unaddressed
October 17, 2024	LSL Inventory	LEAD AND COPPER RULE REVISIONS	Health-based	Unaddressed
July 1, 2022 – June 22, 2023	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
April 14, 2022 – June 13, 2022	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
October 22, 2021 – July 16, 2025	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
July 1, 2021 – September 30, 2021	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
March 1, 2021 – March 31, 2021	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
January 1, 2021 – March 31, 2021	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
December 30, 2019 – March 4, 2020	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
September 1, 2019 – August 31, 2020	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
July 1, 2003 – July 31, 2003	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
April 1, 1998 – April 30, 1998	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
July 1, 1994 – December 31, 1994	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Resolved
January 1, 1991 – January 31, 1991	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
June 30, 1977 – June 29, 1981	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived

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

Enforcement actions

October 21, 2025State Public Notification requested1 linked violation
October 21, 2025State Violation/Reminder Notice1 linked violation
September 26, 2025State Public Notification received1 linked violation
September 24, 2025State Violation/Reminder Notice1 linked violation
July 22, 2025State Violation/Reminder Notice1 linked violation
July 22, 2025State Public Notification requested1 linked violation
July 17, 2025State Public Notification received1 linked violation
July 16, 2025State Compliance achieved1 linked violation
July 3, 2025State Public Notification requested1 linked violation
July 3, 2025State Violation/Reminder Notice1 linked violation
June 22, 2023State Compliance achieved1 linked violation
July 26, 2022State Violation/Reminder Notice1 linked violation
June 13, 2022State Public Notification received1 linked violation
June 13, 2022State Public Notification received1 linked violation
June 13, 2022State Compliance achieved1 linked violation
June 13, 2022State Compliance achieved1 linked violation
May 13, 2022State Violation/Reminder Notice1 linked violation
May 13, 2022State Violation/Reminder Notice1 linked violation
May 13, 2022State Violation/Reminder Notice1 linked violation
May 13, 2022State Violation/Reminder Notice1 linked violation
November 30, 2021State Public Notification received1 linked violation
November 3, 2021State Violation/Reminder Notice1 linked violation
October 6, 2021State Compliance achieved1 linked violation
September 27, 2021State Public Notification requested1 linked violation
September 27, 2021State Violation/Reminder Notice1 linked violation
September 13, 2021State Compliance achieved1 linked violation
May 6, 2021State Compliance achieved2 linked violations
April 13, 2021State Violation/Reminder Notice1 linked violation
April 13, 2021State Public Notification requested1 linked violation
April 13, 2021State Violation/Reminder Notice1 linked violation
April 13, 2021State Public Notification requested1 linked violation
October 21, 2020State Violation/Reminder Notice1 linked violation
October 21, 2020State Public Notification requested1 linked violation
March 4, 2020State Compliance achieved1 linked violation
January 17, 2020State Violation/Reminder Notice1 linked violation
September 16, 2019State Violation/Reminder Notice1 linked violation
June 27, 1998State Public Notification requested1 linked violation
June 27, 1998State Violation/Reminder Notice1 linked violation
December 31, 1994State Compliance achieved1 linked violation
March 21, 1991State Violation/Reminder Notice1 linked violation
February 12, 1991State Public Notification received1 linked violation
December 22, 1990State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
December 22, 1990State Public Notification requestedgeneral compliance action — not tied to a specific violation on record

Contact

CESSNA, SHELLY

217-987-6900

POTOMAC, IL 61865