Public water system · IL3035311
ActiveMontmorency School
At a glance
Montmorency School (PWSID IL3035311) is an active non-transient non-community water system in Whiteside County, Illinois. It reports serving 250 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in April 2014.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
250
Service connections
1
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Montmorency School compare with other water systems in Whiteside County?
By EPA's size categories, Montmorency School is a very small system (500 people or fewer). Whiteside County has 59 active public water systems. Its population served is about 64% below the county average of 696 people per system, and accounts for 0.6% of the 41,082 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 Montmorency School is about 42% 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. 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 Montmorency School?
EPA lists Montmorency School 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. 44 of the 59 active systems in Whiteside County (75%) are also privately owned.
Does Montmorency School have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in April 2014. The violations listed here began between January 2014 and April 2014. By type: 12 monitoring and reporting. The contaminants or rules involved are Mercury, Cyanide, Chromium and Barium. EPA lists 12 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 |
|---|---|---|---|---|
| 2014-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Mercurycode 1035 | No | Resolved |
| 2014-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Cyanidecode 1024 | No | Resolved |
| 2014-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Chromiumcode 1020 | No | Resolved |
| 2014-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Bariumcode 1010 | No | Resolved |
| 2014-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Berylliumcode 1075 | No | Resolved |
| 2014-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Thalliumcode 1085 | No | Resolved |
| 2014-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Seleniumcode 1045 | No | Resolved |
| 2014-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Cadmiumcode 1015 | No | Resolved |
| 2014-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Antimonycode 1074 | No | Resolved |
| 2014-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2-Dibromo-3-chloropropane (DBCP)code 2931 | No | Resolved |
| 2014-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Diquatcode 2032 | No | Resolved |
| 2014-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Methoxychlorcode 2015 | No | Resolved |
The 12 most recent 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.
Montmorency School: frequently asked questions
Who runs Montmorency School?
Montmorency School (PWSID IL3035311) is a non-transient non-community water system privately owned. It is regulated by the IL state drinking water program.
How many people does Montmorency School serve?
Montmorency School reports serving 250 people through 1 service connection in Whiteside County, Illinois.
Where does Montmorency 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 Montmorency School have any drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in April 2014. 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 Montmorency 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. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in April 2014. For current results, consult EPA ECHO, or the IL state drinking water program.
Where can I find Montmorency School's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Montmorency School 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 Whiteside County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Il American-Sterling | Whiteside | 14,782 | Community | Groundwater |
| Rock Falls | Whiteside | 8,620 | Community | Groundwater |
| Morrison | Whiteside | 4,188 | Community | Groundwater |
| Fulton | Whiteside | 3,346 | Community | Groundwater |
| Prophetstown | Whiteside | 2,100 | Community | Groundwater |
| Erie | Whiteside | 1,479 | 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, “Montmorency School, PWSID IL3035311, Illinois”, https://aquacensus.com/water-systems/illinois/montmorency-school-il3035311 (data as of October 1, 2026).