LIBERTYVILLE, IL · Lake County
LCPW-KNOLLWOOD PWS Water System
Inactive system
This water system is marked inactive in EPA’s federal records as of January 14, 2020. 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 Lake 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)
- IL0975460
- System type
- Community Water System
- Population served
- 6,078
- Service connections
- 2,026
- Ownership
- local government
- Water source
- surface water (rivers, lakes, or reservoirs)
LCPW-KNOLLWOOD PWS is one of 248 community water systems in Illinois in the 3,301 to 10,000 people size category, formerly serving 6,078 people from surface water.
EPA's federal records list this system as inactive in 2020; the record below is historical.
As of August 1, 2026, its federal record holds 3 entries between 1993 and 2019, all of which EPA lists as closed. Nothing has been added since 2019.
Of the 3, 1 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 Consumer Confidence Rule.
Violation history
Consumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2019 – July 2, 2019
ResolvedMaximum Contaminant Level Violation, Acute (TCR)
Health-basedColiform (TCR)
May 1, 1993 – May 31, 1993
ArchivedMonitoring, Repeat Minor (TCR)
—Coliform (TCR)
May 1, 1993 – May 31, 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 |
|---|---|---|---|---|
| July 1, 2019 – July 2, 2019 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| May 1, 1993 – May 31, 1993 | Maximum Contaminant Level Violation, Acute (TCR) | Coliform (TCR) | Health-based | Archived |
| May 1, 1993 – May 31, 1993 | Monitoring, Repeat Minor (TCR) | Coliform (TCR) | — | Archived |
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- October 29, 2019State Violation/Reminder Notice2 linked violations
- July 2, 2019State Compliance achieved1 linked violation
- July 10, 2013State Compliance achieved1 linked violation
- August 23, 2012State Violation/Reminder Notice2 linked violations
- July 10, 1993State Violation/Reminder Notice3 linked violations
- July 10, 1993State Public Notification requested3 linked violations
Last known contact on file (system is inactive)
MCFARLANE, AUSTIN
847-377-7134
LIBERTYVILLE, IL 60048