Public water system · IL3140210
ActiveEnvirofil of Illinois
At a glance
Envirofil of Illinois (PWSID IL3140210) is an active transient non-community water system in McDonough County, Illinois. It reports serving 31 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 5 violations for this system; 2 are health-based, and the most recent began in January 2020.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
31
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Envirofil of Illinois compare with other water systems in McDonough County?
By EPA's size categories, Envirofil of Illinois is a very small system (500 people or fewer). McDonough County has 21 active public water systems. Its population served is well below the county average of 1,588 people per system, and accounts for less than 0.1% of the 33,349 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 Envirofil of Illinois 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 Envirofil of Illinois?
EPA lists Envirofil of Illinois 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. 8 of the 21 active systems in McDonough County (38%) are also privately owned.
Does Envirofil of Illinois have drinking water violations?
EPA's records list 5 violations for this system; 2 are health-based, and the most recent began in January 2020. The violations listed here began between July 2005 and January 2020. By type: 2 monitoring and reporting, 2 contaminant level above the legal limit and 1 monitoring. The contaminant or rule involved most often is Total coliform bacteria (TCR) (3 of them). EPA lists 5 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 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2019-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2010-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2006-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2005-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
All 5 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.
Envirofil of Illinois: frequently asked questions
Who runs Envirofil of Illinois?
Envirofil of Illinois (PWSID IL3140210) is a transient non-community water system privately owned. It is regulated by the IL state drinking water program.
How many people does Envirofil of Illinois serve?
Envirofil of Illinois reports serving 31 people through 1 service connection in McDonough County, Illinois.
Where does Envirofil of Illinois 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 Envirofil of Illinois have any drinking water violations?
EPA's records list 5 violations for this system; 2 are 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 Envirofil of Illinois' 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 5 violations for this system; 2 are 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 Envirofil of Illinois' water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Envirofil of Illinois 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 McDonough County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Macomb | McDonough | 15,051 | Community | Surface water |
| Western Illinois University | McDonough | 8,000 | Community | Purchased surface water |
| Bushnell | McDonough | 2,972 | Community | Groundwater |
| West Prairie Water Co-Op | McDonough | 2,395 | Community | Purchased groundwater |
| Colchester | McDonough | 1,395 | Community | Purchased surface water |
| Blandinsville | McDonough | 569 | Community | 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, “Envirofil of Illinois, PWSID IL3140210, Illinois”, https://aquacensus.com/water-systems/illinois/envirofil-of-illinois-il3140210 (data as of October 1, 2026).