Public water system record
Lisle
Serves Lisle, DuPage County, IL · 24,233 people served
Federal records show no health-based violations and 2 monitoring/reporting issues for Lisle 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
- Lisle buys its water from Du Page Water Commission.
- Record on file since 1977, with 2 health-based violations before October 19, 2016.
- Lead pipe inventory: 11 lead and 1 unknown out of 6,124 service lines.
Check whether Lisle 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 |
|---|---|---|
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2025 | Active |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2021 | Resolved |
Full record since 1977
EPA's records for Lisle go back to 1977. Before October 19, 2016 they list 2 health-based violations (2 resolved) and 3 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1970s | 0 | 1 |
| 1990s | 0 | 1 |
| 2000s | 1 | 0 |
| 2010 to October 18, 2016 | 1 | 1 |
| 2020s | 0 | 2 |
Most recent health-based violation before October 19, 2016: Total Coliform, began August 2011, Resolved.
Show all 2 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2011 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jun 1, 2006 | Resolved |
Where the water comes from
Lisle buys its water from Du Page Water Commission. EPA also lists 3 wells, all for emergency, seasonal or other part-time use. 1 other community water system buys water from Lisle.
Buys water from
- Du Page Water Commission Elmhurst, IL
Community systems that buy water from it
- IL American-Dupage Utility Godfrey, IL
Annual water quality report
Lisle 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.
Systems serving 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.
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