Public water system · IL3159509
ActiveNorth Grove School Association
At a glance
North Grove School Association (PWSID IL3159509) is an active transient non-community water system in DeKalb County, Illinois. It reports serving 25 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 3 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
25
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does North Grove School Association compare with other water systems in DeKalb County?
By EPA's size categories, North Grove School Association is a very small system (500 people or fewer). DeKalb County has 43 active public water systems. Its population served is well below the county average of 2,220 people per system, and accounts for less than 0.1% of the 95,450 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 North Grove School Association 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 North Grove School Association?
EPA lists North Grove School Association 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. 25 of the 43 active systems in DeKalb County (58%) are also privately owned.
Does North Grove School Association have drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in January 2020. The violations listed here began between January 2017 and January 2020. By type: 2 monitoring and reporting and 1 monitoring. The contaminant or rule involved most often is Nitrate (2 of them). EPA lists 3 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 |
|---|---|---|---|---|
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2020-01-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2017-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
All 3 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.
North Grove School Association: frequently asked questions
Who runs North Grove School Association?
North Grove School Association (PWSID IL3159509) is a transient non-community water system privately owned. It is regulated by the IL state drinking water program.
How many people does North Grove School Association serve?
North Grove School Association reports serving 25 people through 1 service connection in DeKalb County, Illinois.
Where does North Grove School Association 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 North Grove School Association have any drinking water violations?
EPA's records list 3 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 North Grove School Association'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 3 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 North Grove School Association's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. North Grove School Association 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 DeKalb County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Dekalb | DeKalb | 40,290 | Community | Groundwater |
| Sycamore | DeKalb | 18,500 | Community | Groundwater |
| Sandwich | DeKalb | 7,156 | Community | Groundwater |
| Northern Illinois University-Dekalb | DeKalb | 6,500 | Community | Purchased groundwater |
| Genoa | DeKalb | 5,298 | Community | Groundwater |
| Cortland | DeKalb | 4,398 | Community | Groundwater |
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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, “North Grove School Association, PWSID IL3159509, Illinois”, https://aquacensus.com/water-systems/illinois/north-grove-school-association-il3159509 (data as of October 1, 2026).