Public water system record
West Dundee
Serves West Dundee and Sleepy Hollow, Kane County, IL · 7,845 people served
Federal records show no health-based violations and 3 monitoring/reporting issues for West Dundee in the last ten years.
System profile
- Health-based violations, last 10 years
- 0
- Resolved
- 0
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 3
Key facts
- West Dundee draws water from 3 wells.
- Record on file since 1977, with 7 health-based violations before October 19, 2016.
- Lead pipe inventory: 389 lead and 0 unknown out of 2,442 service lines.
Check whether West Dundee 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 |
|---|---|---|
|
Combined Radium (-226 and -228)
Monitoring and reporting
|
Jan 1, 2021 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
Full record since 1977
EPA's records for West Dundee go back to 1977. Before October 19, 2016 they list 7 health-based violations (5 resolved, 2 archived by EPA without a recorded fix) and 12 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1970s | 0 | 1 |
| 1980s | 4 | 8 |
| 1990s | 2 | 3 |
| 2010 to October 18, 2016 | 1 | 0 |
| October 19, 2016 to 2019 | 0 | 2 |
| 2020s | 0 | 1 |
Most recent health-based violation before October 19, 2016: Barium, began October 2014, Resolved.
Show all 7 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Barium
Contaminant limit exceeded
Measured 8 mg/L, federal limit 2 mg/L (4 times the limit)
|
Oct 1, 2014 | Resolved |
|
Lead and Copper Rule
Treatment technique failure
|
Jan 1, 1993 | Resolved |
|
Lead and Copper Rule
Treatment technique failure
|
Dec 21, 1992 | Resolved |
|
Barium
Contaminant limit exceeded
|
Jun 1, 1986 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
|
Oct 4, 1985 | Resolved |
|
Barium
Contaminant limit exceeded
|
Jun 1, 1983 | Archived |
|
Barium
Contaminant limit exceeded
|
Jun 1, 1980 | Archived |
Where the water comes from
West Dundee draws water from 3 wells. It also has an emergency connection to Carpentersville. 1 smaller public system such as schools, businesses or campgrounds buys water from West Dundee.
Emergency or part-time connections to
- Carpentersville Carpentersville, IL
Annual water quality report
West Dundee 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