CAHOKIA, IL · St. Clair County
COMMONFIELDS OF CAHOKIA PWD Water System
Inactive system
This water system is marked inactive in EPA’s federal records as of August 6, 2021. It is no longer an operating public water system under this PWSID, and no compliance deadlines — including the 2027 Consumer Confidence Report rule — apply to it.
If you are a resident looking for your current water provider, see water systems in St. Clair County, IL.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 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)
- IL1635030
- System type
- Community Water System
- Population served
- 11,030
- Service connections
- 4,360
- Ownership
- local government
- Water source
- surface water (rivers, lakes, or reservoirs)
COMMONFIELDS OF CAHOKIA PWD is one of 225 community water systems in Illinois in the 10,001 to 100,000 people size category, formerly serving 11,030 people from surface water.
EPA's federal records list this system as inactive in 2021; the record below is historical.
As of August 1, 2026, its federal record holds 8 entries between 1993 and 2013, all of which EPA lists as closed. Nothing has been added since 2013.
Of the 8, 7 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves the Total Coliform Rules and the Stage 1 Disinfectants and Disinfection Byproducts Rule.
Violation history
Monitoring, Routine Minor (TCR)
—Coliform (TCR)
May 1, 2013 – May 31, 2013
ResolvedMonitoring and Reporting (DBP)
—Chloramine
April 1, 2013 – June 19, 2013
ResolvedMonitoring and Reporting (DBP)
—Chloramine
January 1, 2012 – February 22, 2012
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
November 1, 2011 – November 30, 2011
ResolvedMonitoring and Reporting (DBP)
—Chloramine
October 1, 2011 – December 21, 2011
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
October 1, 2006 – October 31, 2006
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
April 1, 1999 – April 30, 1999
ArchivedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
November 1, 1993 – November 30, 1993
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 |
|---|---|---|---|---|
| May 1, 2013 – May 31, 2013 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| April 1, 2013 – June 19, 2013 | Monitoring and Reporting (DBP) | Chloramine | — | Resolved |
| January 1, 2012 – February 22, 2012 | Monitoring and Reporting (DBP) | Chloramine | — | Resolved |
| November 1, 2011 – November 30, 2011 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| October 1, 2011 – December 21, 2011 | Monitoring and Reporting (DBP) | Chloramine | — | Resolved |
| October 1, 2006 – October 31, 2006 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| April 1, 1999 – April 30, 1999 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Archived |
| November 1, 1993 – November 30, 1993 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Archived |
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- June 10, 2014State Public Notification received1 linked violation
- June 10, 2014State Public Notification received1 linked violation
- June 19, 2013State Compliance achieved2 linked violations
- June 13, 2013State Public Notification requested1 linked violation
- June 13, 2013State Violation/Reminder Notice1 linked violation
- June 13, 2013State Public Notification requested1 linked violation
- June 13, 2013State Violation/Reminder Notice1 linked violation
- June 20, 2012State Public Notification received2 linked violations
- February 22, 2012State Compliance achieved1 linked violation
- February 16, 2012State Violation/Reminder Notice1 linked violation
- December 21, 2011State Compliance achieved2 linked violations
- December 19, 2011State Public Notification requested1 linked violation
- December 19, 2011State Violation/Reminder Notice1 linked violation
- December 19, 2011State Public Notification requested1 linked violation
- December 19, 2011State Violation/Reminder Notice1 linked violation
- May 1, 2007State Compliance achieved1 linked violation
- January 10, 1998State Violation/Reminder Notice2 linked violations
- January 10, 1998State Public Notification requested2 linked violations
- December 7, 1997State Public Notification received2 linked violations
- January 23, 1994State Public Notification received5 linked violations
- January 23, 1994State Public Notification received1 linked violation
- January 15, 1994State Public Notification requested1 linked violation
- January 15, 1994State Violation/Reminder Notice1 linked violation
- January 15, 1994State Public Notification requested4 linked violations
Last known contact on file (system is inactive)
TRAITEUR, DENNIS
618-337-3302
CAHOKIA, IL 62206