Public water system record
Southeast Regional Water Facility
Serves an area of DuPage County, IL · 6,940 people served
Federal records show no health-based violations and 1 monitoring/reporting issue for Southeast Regional Water Facility 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
- 1
Key facts
- Southeast Regional Water Facility buys its water from Darien.
- Record on file since 1991, with 1 health-based violation before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 1,357 service lines.
Check whether Southeast Regional Water Facility 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 |
|---|---|---|
|
Nitrate
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
Full record since 1991
EPA's records for Southeast Regional Water Facility go back to 1991. Before October 19, 2016 they list 1 health-based violation (1 archived by EPA without a recorded fix) and no monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 1 | 0 |
| 2020s | 0 | 1 |
Most recent health-based violation before October 19, 2016: Total Coliform, began December 1991, Archived.
Show the health-based violation before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Dec 1, 1991 | Archived |
Where the water comes from
Southeast Regional Water Facility buys its water from Darien. EPA also lists 3 wells, all for emergency, seasonal or other part-time use.
Buys water from
- Darien Darien, IL
Annual water quality report
Southeast Regional Water Facility 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