Public water system · IL3039834
ActiveHobson Co-Op Nursery School
At a glance
Hobson Co-Op Nursery School (PWSID IL3039834) is an active transient non-community water system in DuPage County, Illinois. It reports serving 46 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as under public/private ownership. EPA's records list 2 violations for this system; none is health-based, and the most recent began in January 2020.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
46
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Hobson Co-Op Nursery School compare with other water systems in DuPage County?
By EPA's size categories, Hobson Co-Op Nursery School 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 transient non-community water system reports serving 144 people, so Hobson Co-Op Nursery School is well below that figure.
What does “transient non-community water system” mean?
A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. Illinois has 1,703 active transient non-community water systems, 44% of the state's 3,872 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 2,808 Illinois systems (73%) list groundwater as their primary source.
Who owns and regulates Hobson Co-Op Nursery School?
EPA lists Hobson Co-Op Nursery School as under public/private ownership. 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. 16 of the 125 active systems in DuPage County (13%) are also under public/private ownership.
Does Hobson Co-Op Nursery School have drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in January 2020. The violations listed here began between December 2010 and January 2020. By type: 2 monitoring and reporting. The contaminants or rules involved are Nitrite and Total coliform bacteria (TCR). EPA lists 1 as archived and 1 as resolved. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status. 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 |
|---|---|---|---|---|
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitritecode 1041 | No | Archived |
| 2010-12-01 | Monitoring and reportingMonitoring, Repeat Major (TCR) · code 25 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
All 2 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.
Hobson Co-Op Nursery School: frequently asked questions
Who runs Hobson Co-Op Nursery School?
Hobson Co-Op Nursery School (PWSID IL3039834) is a transient non-community water system under public/private ownership. It is regulated by the IL state drinking water program.
How many people does Hobson Co-Op Nursery School serve?
Hobson Co-Op Nursery School reports serving 46 people through 1 service connection in DuPage County, Illinois.
Where does Hobson Co-Op Nursery School get its water?
EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.
Does Hobson Co-Op Nursery School have any drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in January 2020. 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 Hobson Co-Op Nursery School's 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 2 violations for this system; none is health-based, and the most recent began in January 2020. For current results, consult EPA ECHO, or the IL state drinking water program.
Where can I find Hobson Co-Op Nursery School's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Hobson Co-Op Nursery School is a 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 |
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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, “Hobson Co-Op Nursery School, PWSID IL3039834, Illinois”, https://aquacensus.com/water-systems/illinois/hobson-co-op-nursery-school-il3039834 (data as of October 1, 2026).