MCHENRY, IL · Vermilion County

PRAIRIE PATH WATER COMPANY-OAKWOOD 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): IL1830600
System type: Community Water System
Population served: 1,600
Service connections: 765
Ownership: privately owned
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Monthly Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
July 1, 2020 – July 31, 2020
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
January 1, 2013 – March 31, 2013
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
October 1, 2012 – December 31, 2012
Resolved
Treatment Technique Precursor Removal
Health-based
CARBON, TOTAL
October 1, 2011 – December 31, 2011
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
January 1, 2005 – March 31, 2005
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
October 1, 2004 – December 31, 2004
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2004 – August 3, 2004
Resolved
Monitoring and Reporting (DBP)
—
CARBON, TOTAL
April 1, 2004 – May 11, 2004
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
October 1, 1993 – October 31, 1993
Archived
Maximum Contaminant Level Violation, Average
Health-based
Nitrate
May 23, 1989 – July 10, 1989
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
June 30, 1977 – June 29, 1981
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, 2020 – July 31, 2020	Monthly Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Resolved
January 1, 2013 – March 31, 2013	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
October 1, 2012 – December 31, 2012	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
October 1, 2011 – December 31, 2011	Treatment Technique Precursor Removal	CARBON, TOTAL	Health-based	Resolved
January 1, 2005 – March 31, 2005	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
October 1, 2004 – December 31, 2004	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
July 1, 2004 – August 3, 2004	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
April 1, 2004 – May 11, 2004	Monitoring and Reporting (DBP)	CARBON, TOTAL	—	Resolved
October 1, 1993 – October 31, 1993	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Archived
May 23, 1989 – July 10, 1989	Maximum Contaminant Level Violation, Average	Nitrate	Health-based	Resolved
June 30, 1977 – June 29, 1981	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived

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

Enforcement actions

November 12, 2020State Bilateral Compliance Agreement signed1 linked violation
October 2, 2020State Compliance achieved1 linked violation
September 17, 2020State Public Notification received1 linked violation
August 31, 2020State Formal Notice of Violation issued1 linked violation
August 20, 2020State Violation/Reminder Notice1 linked violation
August 20, 2020State Public Notification requested1 linked violation
June 20, 2013State Bilateral Compliance Agreement signed3 linked violations
March 13, 2013State Violation/Reminder Notice4 linked violations
February 7, 2013State Formal Notice of Violation issued3 linked violations
January 30, 2013State Public Notification received1 linked violation
January 16, 2013State Violation/Reminder Notice1 linked violation
January 16, 2013State Public Notification requested2 linked violations
January 12, 2012State Public Notification requested9 linked violations
January 12, 2012State Violation/Reminder Notice1 linked violation
January 6, 2012State Compliance achieved2 linked violations
November 17, 2011State Public Notification received2 linked violations
October 25, 2011State Public Notification requested1 linked violation
October 25, 2011State Violation/Reminder Notice3 linked violations
March 21, 2005State Violation/Reminder Notice3 linked violations
October 7, 2004State Public Notification requested1 linked violation
June 24, 2004State Violation/Reminder Notice4 linked violations
December 20, 1993State Public Notification received1 linked violation
December 20, 1993State Public Notification received1 linked violation
December 18, 1993State Public Notification requested1 linked violation
December 18, 1993State Violation/Reminder Notice1 linked violation
December 18, 1993State Public Notification requested1 linked violation
December 18, 1993State Violation/Reminder Notice1 linked violation

Contact

MILLER, MIKE A.

224-501-5507

MCHENRY, IL 60050