DOWNERS GROVE, IL · DuPage County
NORTHWEST BELMONT IMPROVEMENT ASSOCIATIO Water System
Inactive system
This water system is marked inactive in EPA’s federal records as of December 18, 2017. 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 DuPage County, IL.
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)
- IL0435900
- System type
- Community Water System
- Population served
- 75
- Service connections
- 25
- Ownership
- privately owned
- Water source
- groundwater (wells)
Violation history
Monitoring, Routine (RTCR)
—Revised Total Coliform Rule
November 1, 2017 – November 30, 2017
ArchivedPublic Notification Violation without NPDWR Violation
—Public Notice
February 15, 2006 – March 16, 2006
ResolvedPublic Notification Violation for NPDWR Violation
—Public Notice
February 15, 2006 – March 16, 2006
ResolvedMonitoring and Reporting (DBP)
—Chlorine
October 1, 2004 – December 31, 2004
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2003 – November 12, 2003
ResolvedConsumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
July 1, 2002 – November 12, 2003
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2001 – November 15, 2001
ResolvedMonitoring, Regular
—Beryllium, Total
April 1, 2001 – June 30, 2001
ResolvedMonitoring, Regular
—Antimony, Total
April 1, 2001 – June 30, 2001
ResolvedMonitoring, Regular
—Mercury
April 1, 2001 – June 30, 2001
ResolvedMonitoring, Regular
—CYANIDE
April 1, 2001 – June 30, 2001
ResolvedMonitoring, Regular
—Cadmium
April 1, 2001 – June 30, 2001
Resolved
Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| November 1, 2017 – November 30, 2017 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Archived |
| February 15, 2006 – March 16, 2006 | Public Notification Violation without NPDWR Violation | Public Notice | — | Resolved |
| February 15, 2006 – March 16, 2006 | Public Notification Violation for NPDWR Violation | Public Notice | — | Resolved |
| October 1, 2004 – December 31, 2004 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| July 1, 2003 – November 12, 2003 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| July 1, 2002 – November 12, 2003 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Resolved |
| July 1, 2001 – November 15, 2001 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| April 1, 2001 – June 30, 2001 | Monitoring, Regular | Beryllium, Total | — | Resolved |
| April 1, 2001 – June 30, 2001 | Monitoring, Regular | Antimony, Total | — | Resolved |
| April 1, 2001 – June 30, 2001 | Monitoring, Regular | Mercury | — | Resolved |
| April 1, 2001 – June 30, 2001 | Monitoring, Regular | CYANIDE | — | Resolved |
| April 1, 2001 – June 30, 2001 | Monitoring, Regular | Cadmium | — | Resolved |
Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state
Enforcement actions
- December 13, 2017State Public Notification requested1 linked violation
- December 13, 2017State Violation/Reminder Notice1 linked violation
- December 13, 2017State Public Notification requested1 linked violation
- December 13, 2017State Violation/Reminder Notice1 linked violation
- March 16, 2006State Compliance achieved3 linked violations
- March 16, 2006State Public Notification received1 linked violation
- March 9, 2006State Violation/Reminder Notice8 linked violations
- November 20, 2002State Bilateral Compliance Agreement signed2 linked violations
- November 19, 2002State Violation/Reminder Notice1 linked violation
- August 5, 2002State Violation/Reminder Notice2 linked violations
- December 10, 2001State Bilateral Compliance Agreement signed2 linked violations
- November 15, 2001State Compliance achieved1 linked violation
- September 25, 2001State Formal Notice of Violation issued1 linked violation
- August 15, 2001State Public Notification requested3 linked violations
- August 15, 2001State Violation/Reminder Notice4 linked violations
- July 31, 2001State Violation/Reminder Notice19 linked violations
- July 31, 2001State Public Notification requested15 linked violations
- July 15, 2001State Public Notification requested3 linked violations
- June 15, 2001State Public Notification requested4 linked violations
- April 5, 1990State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
- April 5, 1990State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- January 29, 1990State Public Notification issuedgeneral compliance action — not tied to a specific violation on record
- January 6, 1990State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
- January 6, 1990State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- December 9, 1989State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
- April 6, 1989State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
Last known contact on file (system is inactive)
DAVENPORT, JUDITH A.
630-254-4938
DOWNERS GROVE, IL 60515