Public water system · IL3165134
ActiveWheaton Franciscan Sisters
At a glance
Wheaton Franciscan Sisters (PWSID IL3165134) is an active non-transient non-community water system in DuPage County, Illinois. It reports serving 80 people through 1 service connection. Its primary water source is purchased surface water, and EPA lists it as privately owned. EPA's records list 4 violations for this system; 1 is health-based, and the most recent began in April 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
80
Service connections
1
Primary source
SWP
Purchased surface water
System type
NTNCWS
Non-transient non-community water system
System record
How does Wheaton Franciscan Sisters compare with other water systems in DuPage County?
By EPA's size categories, Wheaton Franciscan Sisters is a very small system (500 people or fewer). DuPage County has 125 active public water systems. Its population served is well below the county average of 6,865 people per system, and accounts for less than 0.1% of the 858,100 people reported by systems filed under the county. Across Illinois, the 3,872 active systems average 3,204 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so Wheaton Franciscan Sisters is well below that figure.
What does “non-transient non-community water system” mean?
A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. Illinois has 396 active non-transient non-community water systems, 10% of the state's 3,872 active systems. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 619 Illinois systems (16%) list purchased surface water as their primary source.
Who owns and regulates Wheaton Franciscan Sisters?
EPA lists Wheaton Franciscan Sisters as privately owned. The IL state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 77 of the 125 active systems in DuPage County (62%) are also privately owned.
Does Wheaton Franciscan Sisters have drinking water violations?
EPA's records list 4 violations for this system; 1 is health-based, and the most recent began in April 2025. The violations listed here began between October 2024 and April 2025. By type: 1 public notice, recordkeeping or other, 1 monitoring and reporting, 1 reporting and 1 required treatment not met. The contaminant or rule involved most often is Lead and Copper Rule Revisions (2 of them). EPA lists 4 as resolved. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2025-04-05 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2025-01-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2024-10-17 | ReportingLSL Reporting · code 4G | Lead and Copper Rule Revisionscode 5200 | No | Resolved |
| 2024-10-17 | Required treatment not metLSL Inventory · code 2E | Lead and Copper Rule Revisionscode 5200 | Yes | Resolved |
All 4 violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Wheaton Franciscan Sisters: frequently asked questions
Who runs Wheaton Franciscan Sisters?
Wheaton Franciscan Sisters (PWSID IL3165134) is a non-transient non-community water system privately owned. It is regulated by the IL state drinking water program.
How many people does Wheaton Franciscan Sisters serve?
Wheaton Franciscan Sisters reports serving 80 people through 1 service connection in DuPage County, Illinois.
Where does Wheaton Franciscan Sisters get its water?
EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.
Does Wheaton Franciscan Sisters have any drinking water violations?
EPA's records list 4 violations for this system; 1 is health-based, and the most recent began in April 2025. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is Wheaton Franciscan Sisters' water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. EPA's records list 4 violations for this system; 1 is health-based, and the most recent began in April 2025. For current results, consult EPA ECHO, or the IL state drinking water program.
Where can I find Wheaton Franciscan Sisters' water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Wheaton Franciscan Sisters is a non-transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.
Other water systems in DuPage County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Naperville | DuPage | 156,406 | Community | Purchased surface water |
| Wheaton | DuPage | 53,970 | Community | Purchased surface water |
| Downers Grove | DuPage | 49,425 | Community | Purchased surface water |
| Elmhurst | DuPage | 45,000 | Community | Purchased surface water |
| Lombard | DuPage | 44,476 | Community | Purchased surface water |
| Carol Stream | DuPage | 39,854 | Community | Purchased surface water |
Related pages
Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Wheaton Franciscan Sisters, PWSID IL3165134, Illinois”, https://aquacensus.com/water-systems/illinois/wheaton-franciscan-sisters-il3165134 (data as of October 1, 2026).