Public water system · IL1975225
ActiveImperial Mhc
At a glance
Imperial Mhc (PWSID IL1975225) is an active community water system in Will County, Illinois. It reports serving 328 people through 170 service connections. Its primary water source is purchased groundwater, and EPA lists it as privately owned. EPA's records list 2 violations for this system; 1 is health-based, and the most recent began in January 1991.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
328
Service connections
170
Primary source
GWP
Purchased groundwater
System type
CWS
Community water system
System record
How does Imperial Mhc compare with other water systems in Will County?
By EPA's size categories, Imperial Mhc is a very small system (500 people or fewer). Will County has 236 active public water systems. Its population served is well below the county average of 2,607 people per system, and accounts for less than 0.1% of the 615,219 people reported by systems filed under the county. Across Illinois, the 3,872 active systems average 3,204 people each. Nationally, the average active community water system reports serving 6,703 people, so Imperial Mhc is well below that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Illinois has 1,773 active community water systems, 46% of the state's 3,872 active systems. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own. 348 Illinois systems (9%) list purchased groundwater as their primary source.
Who owns and regulates Imperial Mhc?
EPA lists Imperial Mhc 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. 162 of the 236 active systems in Will County (69%) are also privately owned.
Does Imperial Mhc have drinking water violations?
EPA's records list 2 violations for this system; 1 is health-based, and the most recent began in January 1991. The violations listed here began between January 1991 and January 1991. By type: 1 contaminant level above the legal limit and 1 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (2 of them). EPA lists 2 as archived. 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 1991-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
| 1991-01-01 | Monitoring and reportingMonitoring, Repeat Major (TCR) · code 25 | Total coliform bacteria (TCR)code 3100 | No | Archived |
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.
Imperial Mhc: frequently asked questions
Who runs Imperial Mhc?
Imperial Mhc (PWSID IL1975225) is a community water system privately owned. It is regulated by the IL state drinking water program.
How many people does Imperial Mhc serve?
Imperial Mhc reports serving 328 people through 170 service connections in Will County, Illinois.
Where does Imperial Mhc get its water?
EPA SDWIS lists this system's primary water source as purchased groundwater. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own.
Does Imperial Mhc have any drinking water violations?
EPA's records list 2 violations for this system; 1 is health-based, and the most recent began in January 1991. 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 Imperial Mhc'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; 1 is health-based, and the most recent began in January 1991. For current results, consult the system's annual water quality report, EPA ECHO, or the IL state drinking water program.
Where can I find Imperial Mhc's water quality report?
As a community water system, Imperial Mhc must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Will County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Joliet | Will | 160,000 | Community | Groundwater |
| Il American-West Suburban | Will | 73,978 | Community | Purchased surface water |
| Romeoville | Will | 50,458 | Community | Groundwater |
| Plainfield | Will | 50,000 | Community | Purchased surface water |
| New Lenox | Will | 27,690 | Community | Purchased surface water |
| Il American-Homer Township | Will | 24,543 | 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, “Imperial Mhc, PWSID IL1975225, Illinois”, https://aquacensus.com/water-systems/illinois/imperial-mhc-il1975225 (data as of October 1, 2026).