MUNDELEIN, IL · Lake County
WEST SHORE PARK SUBDIVISION Water System
Consumer Confidence Report status
WEST SHORE PARK SUBDIVISION must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.
As of August 1, 2026, EPA's federal records show 1 item for WEST SHORE PARK SUBDIVISION that is open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.
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)
- IL0977370
- System type
- Community Water System
- Population served
- 590
- Service connections
- 173
- Ownership
- privately owned
- Water source
- groundwater (wells)
WEST SHORE PARK SUBDIVISION is one of 773 community water systems in Illinois in the 501 to 3,300 people size category, serving 590 people from groundwater.
As of August 1, 2026, its federal record holds 18 entries between 1977 and 2025, of which 1 remains open; none are health-based.
Of the 18, 4 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 Radionuclides and Revised Rad Rule, the Lead and Copper Rule, and the Consumer Confidence Rule.
Violation history
Notification, Known or Potential LSL
—LEAD AND COPPER RULE REVISIONS
July 2, 2025 – July 2, 2025
ResolvedConsumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
July 1, 2025
UnaddressedMonitoring, Regular
—Combined Radium (-226 and -228)
October 1, 2021 – December 31, 2021
ResolvedMaximum Contaminant Level Violation, Average
Health-basedCombined Radium (-226 and -228)
July 1, 2004 – September 30, 2004
ResolvedMaximum Contaminant Level Violation, Average
Health-basedCombined Radium (-226 and -228)
April 1, 2004 – June 30, 2004
ResolvedMaximum Contaminant Level Violation, Average
Health-basedCombined Radium (-226 and -228)
January 1, 2004 – March 31, 2004
ResolvedMonitoring, Regular
—Nitrate
January 1, 2004 – December 31, 2004
ResolvedMaximum Contaminant Level Violation, Average
Health-basedCombined Radium (-226 and -228)
October 1, 2003 – December 31, 2003
ResolvedMaximum Contaminant Level Violation, Average
Health-basedCombined Radium (-226 and -228)
July 1, 2003 – September 30, 2003
ResolvedMaximum Contaminant Level Violation, Average
Health-basedCombined Radium (-226 and -228)
April 1, 2003 – June 30, 2003
ResolvedMaximum Contaminant Level Violation, Average
Health-basedCombined Radium (-226 and -228)
January 1, 2003 – March 31, 2003
ResolvedMaximum Contaminant Level Violation, Average
Health-basedCombined Radium (-226 and -228)
April 1, 2002 – September 30, 2002
ResolvedMaximum Contaminant Level Violation, Average
Health-basedCombined Radium (-226 and -228)
April 1, 1998 – March 31, 2002
ResolvedMaximum Contaminant Level Violation, Average
Health-basedCombined Radium (-226 and -228)
May 1, 1994 – March 31, 1998
ResolvedMaximum Contaminant Level Violation, Average
Health-basedCombined Radium (-226 and -228)
April 1, 1994 – March 31, 1998
ResolvedOCCT/SOWT Study/Recommendation
Health-basedLead and Copper Rule
January 1, 1994 – September 15, 1994
ResolvedMaximum Contaminant Level Violation, Average
Health-basedCombined Radium (-226 and -228)
April 5, 1990 – April 4, 1994
ResolvedMonitoring, 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 |
|---|---|---|---|---|
| July 2, 2025 – July 2, 2025 | Notification, Known or Potential LSL | LEAD AND COPPER RULE REVISIONS | — | Resolved |
| July 1, 2025 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Unaddressed |
| October 1, 2021 – December 31, 2021 | Monitoring, Regular | Combined Radium (-226 and -228) | — | Resolved |
| July 1, 2004 – September 30, 2004 | Maximum Contaminant Level Violation, Average | Combined Radium (-226 and -228) | Health-based | Resolved |
| April 1, 2004 – June 30, 2004 | Maximum Contaminant Level Violation, Average | Combined Radium (-226 and -228) | Health-based | Resolved |
| January 1, 2004 – March 31, 2004 | Maximum Contaminant Level Violation, Average | Combined Radium (-226 and -228) | Health-based | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring, Regular | Nitrate | — | Resolved |
| October 1, 2003 – December 31, 2003 | Maximum Contaminant Level Violation, Average | Combined Radium (-226 and -228) | Health-based | Resolved |
| July 1, 2003 – September 30, 2003 | Maximum Contaminant Level Violation, Average | Combined Radium (-226 and -228) | Health-based | Resolved |
| April 1, 2003 – June 30, 2003 | Maximum Contaminant Level Violation, Average | Combined Radium (-226 and -228) | Health-based | Resolved |
| January 1, 2003 – March 31, 2003 | Maximum Contaminant Level Violation, Average | Combined Radium (-226 and -228) | Health-based | Resolved |
| April 1, 2002 – September 30, 2002 | Maximum Contaminant Level Violation, Average | Combined Radium (-226 and -228) | Health-based | Resolved |
| April 1, 1998 – March 31, 2002 | Maximum Contaminant Level Violation, Average | Combined Radium (-226 and -228) | Health-based | Resolved |
| May 1, 1994 – March 31, 1998 | Maximum Contaminant Level Violation, Average | Combined Radium (-226 and -228) | Health-based | Resolved |
| April 1, 1994 – March 31, 1998 | Maximum Contaminant Level Violation, Average | Combined Radium (-226 and -228) | Health-based | Resolved |
| January 1, 1994 – September 15, 1994 | OCCT/SOWT Study/Recommendation | Lead and Copper Rule | Health-based | Resolved |
| April 5, 1990 – April 4, 1994 | Maximum Contaminant Level Violation, Average | Combined Radium (-226 and -228) | 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
- October 21, 2025State Violation/Reminder Notice1 linked violation
- July 3, 2025State Public Notification requested1 linked violation
- July 3, 2025State Violation/Reminder Notice1 linked violation
- July 2, 2025State Compliance achieved1 linked violation
- January 28, 2022State Compliance achieved1 linked violation
- January 19, 2022State Violation/Reminder Notice1 linked violation
- October 25, 2005State Compliance achieved1 linked violation
- May 2, 2005State Public Notification received3 linked violations
- February 10, 2005State Violation/Reminder Notice5 linked violations
- November 3, 2004State Compliance achieved4 linked violations
- October 19, 2004State Public Notification requested23 linked violations
- July 10, 2004State Public Notification requested1 linked violation
- April 10, 2004State Violation/Reminder Notice1 linked violation
- April 10, 2004State Public Notification requested3 linked violations
- March 9, 2004State Bilateral Compliance Agreement signed13 linked violations
- January 27, 2004State Formal Notice of Violation issued13 linked violations
- January 10, 2004State Violation/Reminder Notice2 linked violations
- July 10, 2003State Violation/Reminder Notice1 linked violation
- July 10, 2003State Public Notification requested1 linked violation
- April 10, 2003State Violation/Reminder Notice2 linked violations
- April 10, 2003State Public Notification requested2 linked violations
- January 10, 2003State Public Notification requested1 linked violation
- January 10, 2003State Violation/Reminder Notice2 linked violations
- September 30, 2002State Public Notification requested1 linked violation
- December 4, 2001State Bilateral Compliance Agreement signed13 linked violations
- September 1, 1995State Public Notification received2 linked violations
- June 1, 1995State Public Notification received2 linked violations
- March 7, 1995State Public Notification received2 linked violations
- December 1, 1994State Public Notification received2 linked violations
- October 5, 1994State Public Notification received2 linked violations
- September 15, 1994State Compliance achieved1 linked violation
- September 15, 1994State Compliance achieved3 linked violations
- June 1, 1994State Public Notification received2 linked violations
- March 1, 1994State Public Notification received1 linked violation
- December 1, 1993State Public Notification received1 linked violation
- September 30, 1993State Public Notification received1 linked violation
- June 2, 1993State Public Notification received1 linked violation
- March 18, 1993State Public Notification received1 linked violation
- December 31, 1992State Public Notification received1 linked violation
- May 7, 1992State Public Notification requested1 linked violation
- March 1, 1992State Public Notification received1 linked violation
- September 15, 1991State Public Notification received1 linked violation
- July 23, 1991State Public Notification requested1 linked violation
- June 16, 1991State Public Notification received1 linked violation
- March 15, 1991State Public Notification received1 linked violation
- October 16, 1990State Public Notification requested2 linked violations
- June 25, 1990State Public Notification received2 linked violations
- June 15, 1990State Hook-up/Extension Ban1 linked violation
- April 18, 1990State Public Notification received1 linked violation
Common questions
Is WEST SHORE PARK SUBDIVISION required to publish a Consumer Confidence Report?
- Yes. WEST SHORE PARK SUBDIVISION is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is WEST SHORE PARK SUBDIVISION’s next Consumer Confidence Report due?
- WEST SHORE PARK SUBDIVISION’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does WEST SHORE PARK SUBDIVISION have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show 1 item for WEST SHORE PARK SUBDIVISION that is open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.
What is a Consumer Confidence Report?
- A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.
Contact
KAROL, CHAD
847-257-5507
MUNDELEIN, IL 60060