DARIEN, IL · DuPage County
SOUTHEAST REGIONAL WATER FACILITY Water System
Consumer Confidence Report status
SOUTHEAST REGIONAL WATER FACILITY must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.
As of August 1, 2026, EPA's federal records show no open violations for SOUTHEAST REGIONAL WATER FACILITY.
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)
- IL0430060
- System type
- Community Water System
- Population served
- 6,940
- Service connections
- 1,712
- Ownership
- local government
- Water source
- surface water (rivers, lakes, or reservoirs)
SOUTHEAST REGIONAL WATER FACILITY is one of 248 community water systems in Illinois in the 3,301 to 10,000 people size category, serving 6,940 people from surface water.
As of August 1, 2026, its federal record holds 2 entries between 1991 and 2023, all of which EPA lists as closed. Nothing has been added since 2023.
Of the 2, 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 inorganic chemicals and the Total Coliform Rules.
Violation history
Monitoring, Regular
—Nitrate
January 1, 2023 – December 31, 2025
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
December 1, 1991 – December 31, 1991
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 |
|---|---|---|---|---|
| January 1, 2023 – December 31, 2025 | Monitoring, Regular | Nitrate | — | Resolved |
| December 1, 1991 – December 31, 1991 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Archived |
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- March 13, 2026State Compliance achieved1 linked violation
- January 14, 2026State Violation/Reminder Notice1 linked violation
- February 1, 1992State Violation/Reminder Notice1 linked violation
Common questions
Is SOUTHEAST REGIONAL WATER FACILITY required to publish a Consumer Confidence Report?
- Yes. SOUTHEAST REGIONAL WATER FACILITY is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is SOUTHEAST REGIONAL WATER FACILITY’s next Consumer Confidence Report due?
- SOUTHEAST REGIONAL WATER FACILITY’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does SOUTHEAST REGIONAL WATER FACILITY have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for SOUTHEAST REGIONAL WATER FACILITY.
What is a Consumer Confidence Report?
- A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.
Contact
ADAMS, JONATHAN
630-964-7503
DARIEN, IL 60561