WYOMING, IL · Stark County

WYOMING 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): IL1750200
System type: Community Water System
Population served: 1,300
Service connections: 700
Ownership: local government
Water source: groundwater (wells)

Violation history

Public Notification Violation for NPDWR Violation
—
Public Notice
October 16, 2025 – June 27, 2025
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
July 1, 2025
Unaddressed
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2024 – December 31, 2024
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2024 – December 31, 2024
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2020 – July 20, 2020
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
August 1, 1993 – August 31, 1993
Archived
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
May 1, 1993 – May 31, 1993
Archived
Maximum Contaminant Level Violation, Average
Health-based
Gross Alpha, Excl. Radon and U
October 1, 1992 – April 21, 1994
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
January 1, 1992 – May 9, 1994
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Gross Alpha, Excl. Radon and U
October 1, 1988 – September 30, 1992
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
January 1, 1988 – December 31, 1991
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Gross Alpha, Excl. Radon and U
October 17, 1980 – October 16, 1984
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
October 16, 2025 – June 27, 2025	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
July 1, 2025	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Unaddressed
January 1, 2024 – December 31, 2024	Monitoring and Reporting (DBP)	TTHM	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	Nitrate	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
July 1, 2020 – July 20, 2020	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
August 1, 1993 – August 31, 1993	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Archived
May 1, 1993 – May 31, 1993	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Archived
October 1, 1992 – April 21, 1994	Maximum Contaminant Level Violation, Average	Gross Alpha, Excl. Radon and U	Health-based	Resolved
January 1, 1992 – May 9, 1994	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
October 1, 1988 – September 30, 1992	Maximum Contaminant Level Violation, Average	Gross Alpha, Excl. Radon and U	Health-based	Resolved
January 1, 1988 – December 31, 1991	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
October 17, 1980 – October 16, 1984	Maximum Contaminant Level Violation, Average	Gross Alpha, Excl. Radon and U	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

June 27, 2025State Compliance achieved1 linked violation
January 21, 2025State Public Notification requested3 linked violations
January 21, 2025State Violation/Reminder Notice2 linked violations
October 15, 2024State Public Notification requested3 linked violations
July 20, 2020State Compliance achieved2 linked violations
June 30, 1994State Compliance achieved4 linked violations
June 30, 1994State Compliance achieved4 linked violations
May 9, 1994State Compliance achieved4 linked violations
May 9, 1994State Compliance achieved3 linked violations
April 5, 1994State Public Notification received2 linked violations
December 29, 1993State Public Notification received2 linked violations
November 3, 1993State Public Notification received1 linked violation
October 16, 1993State Violation/Reminder Notice1 linked violation
October 16, 1993State Public Notification requested1 linked violation
September 22, 1993State Public Notification received2 linked violations
July 17, 1993State Public Notification requested1 linked violation
March 24, 1993State Public Notification received1 linked violation
January 20, 1993State Public Notification received1 linked violation
September 20, 1992State Violation/Reminder Notice1 linked violation
September 16, 1992State Public Notification received4 linked violations
August 15, 1992State Violation/Reminder Notice1 linked violation
August 15, 1992State Public Notification requested1 linked violation
June 20, 1992State Public Notification requested1 linked violation
June 20, 1992State Violation/Reminder Notice1 linked violation
June 17, 1992State Public Notification received1 linked violation
April 8, 1992State Public Notification received5 linked violations
December 21, 1991State Public Notification requested1 linked violation
December 21, 1991State Violation/Reminder Notice1 linked violation
December 18, 1991State Public Notification received3 linked violations
October 30, 1991State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
October 19, 1991State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
October 19, 1991State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
June 12, 1991State Public Notification received2 linked violations
December 20, 1990State Public Notification received3 linked violations
November 1, 1990State Public Notification received4 linked violations
June 11, 1990State Public Notification received2 linked violations
May 23, 1990State Public Notification requested2 linked violations
October 11, 1989State Public Notification received3 linked violations
August 15, 1989State Public Notification requested2 linked violations

Contact

MERCER, JAMES

309-695-4831

WYOMING, IL 61491