Public water system · IL1355100
ActiveGraham Correctional Site
At a glance
Graham Correctional Site (PWSID IL1355100) is an active community water system in Montgomery County, Illinois. It reports serving 2,155 people through 17 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a state government. EPA's Safe Drinking Water Act records list no violations for this system.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
2,155
Service connections
17
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Graham Correctional Site compare with other water systems in Montgomery County?
By EPA's size categories, Graham Correctional Site is a small system (501 to 3,300 people). Montgomery County has 24 active public water systems, and Graham Correctional Site is the 4th-largest of them by population served. Its population served is about 84% above the county average of 1,170 people per system, and accounts for 7.7% of the 28,090 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 Graham Correctional Site 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 surface water means the system buys surface water from another public water system rather than drawing its own. 619 Illinois systems (16%) list purchased surface water as their primary source.
Who owns and regulates Graham Correctional Site?
EPA lists Graham Correctional Site as owned by a state government. 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. 1 of the 24 active systems in Montgomery County (4.2%) are also owned by a state government.
Does Graham Correctional Site have drinking water violations?
No SDWA violations on record.
EPA's SDWA violation and enforcement data (via EPA ECHO, updated quarterly) lists no violations for Graham Correctional Site. For the latest compliance status, check EPA ECHO for current compliance history.
Graham Correctional Site: frequently asked questions
Who runs Graham Correctional Site?
Graham Correctional Site (PWSID IL1355100) is a community water system owned by a state government. It is regulated by the IL state drinking water program.
How many people does Graham Correctional Site serve?
Graham Correctional Site reports serving 2,155 people through 17 service connections in Montgomery County, Illinois.
Where does Graham Correctional Site get its water?
EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.
Does Graham Correctional Site have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Graham Correctional Site'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 Safe Drinking Water Act records list no violations for this system. For current results, consult the system's annual water quality report, EPA ECHO, or the IL state drinking water program.
Where can I find Graham Correctional Site's water quality report?
As a community water system, Graham Correctional Site 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 Montgomery County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Litchfield | Montgomery | 6,648 | Community | Surface water |
| Hillsboro | Montgomery | 4,402 | Community | Surface water |
| Nokomis | Montgomery | 2,370 | Community | Groundwater |
| Ej Water-Mcwc | Montgomery | 2,075 | Community | Purchased surface water |
| Henderson PWD | Montgomery | 2,045 | Community | Purchased surface water |
| Suburban Hospital | Montgomery | 1,900 | Non-transient non-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, “Graham Correctional Site, PWSID IL1355100, Illinois”, https://aquacensus.com/water-systems/illinois/graham-correctional-site-il1355100 (data as of October 1, 2026).