Public water system record
Oakbrook Estates MHP
Serves an area of McHenry County, IL · 1,012 people served
Federal records show no health-based violations and 2 monitoring/reporting issues for Oakbrook Estates MHP in the last ten years. At least one of these issues remains unresolved.
System profile
- Health-based violations, last 10 years
- 0
- Resolved
- 0
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 2
Key facts
- Oakbrook Estates MHP buys its water from Crystal Lake.
- Record on file since 1993, with 1 health-based violation before October 19, 2016.
Check whether Oakbrook Estates MHP serves your address
Health-based violations
Since October 2016Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.
None since October 2016.
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
LEAD AND COPPER RULE REVISIONS
RPT
|
Jul 2, 2025 | Active |
|
LEAD AND COPPER RULE REVISIONS
RPT
|
Oct 17, 2024 | Resolved |
Full record since 1993
EPA's records for Oakbrook Estates MHP go back to 1993. Before October 19, 2016 they list 1 health-based violation (1 archived by EPA without a recorded fix) and 3 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 1 | 3 |
| 2020s | 0 | 2 |
Most recent health-based violation before October 19, 2016: Total Coliform, began August 1993, Archived.
Show the health-based violation before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 1993 | Archived |
Where the water comes from
Oakbrook Estates MHP buys its water from Crystal Lake. It lists no wells or intakes of its own.
Buys water from
- Crystal Lake Crystal Lake, IL
Annual water quality report
Oakbrook Estates MHP must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.
Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.
Find a posted report with EPA's Consumer Confidence Report search
Testing your own water
To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Illinois.
Certified drinking water labs by state EPA guidance for private wells