MAINE TWP, IL · Cook County
O'HARE AIR RSRV FORCES FCLTY Water System
Inactive system
This water system is marked inactive in EPA’s federal records as of August 1, 1997. 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 Cook 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)
- IL0315677
- System type
- Community Water System
- Population served
- 1,500
- Service connections
- 62
- Ownership
- federal government
- Water source
- surface water (rivers, lakes, or reservoirs)
O'HARE AIR RSRV FORCES FCLTY is one of 773 community water systems in Illinois in the 501 to 3,300 people size category, formerly serving 1,500 people from surface water.
EPA's federal records list this system as inactive in 1997; the record below is historical.
As of August 1, 2026, its federal record holds 2 entries between 1991 and 1994, all of which EPA lists as closed. Nothing has been added since 1994.
All 2 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.
Violation history
Monitoring, Routine Minor (TCR)
—Coliform (TCR)
August 1, 1994 – August 31, 1994
ArchivedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
February 1, 1991 – February 28, 1991
Archived
Archived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| August 1, 1994 – August 31, 1994 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Archived |
| February 1, 1991 – February 28, 1991 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Archived |
Archived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- October 28, 1994State Public Notification received1 linked violation
- October 15, 1994State Public Notification requested1 linked violation
- October 15, 1994State Violation/Reminder Notice1 linked violation
- April 25, 1991State Violation/Reminder Notice1 linked violation
- April 25, 1991State Public Notification requested1 linked violation
- April 8, 1991State Public Notification received2 linked violations
- March 28, 1991State Violation/Reminder Notice1 linked violation
- March 28, 1991State Public Notification requested1 linked violation
- October 29, 1988State Violation/Reminder Notice2 linked violations
Last known contact on file (system is inactive)
Not on record
Phone not on record
MAINE TWP, IL 60666