Public water system · IL1930300
ActiveMill Shoals
At a glance
Mill Shoals (PWSID IL1930300) is an active community water system in White County, Illinois. It reports serving 224 people through 128 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. EPA's records list 3 violations for this system; none is health-based, and the most recent began in July 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
224
Service connections
128
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Mill Shoals compare with other water systems in White County?
By EPA's size categories, Mill Shoals is a very small system (500 people or fewer). White County has 10 active public water systems. Its population served is well below the county average of 1,394 people per system, and accounts for 1.6% of the 13,941 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 Mill Shoals 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 Mill Shoals?
EPA lists Mill Shoals as owned by a local 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. 9 of the 10 active systems in White County (90%) are also owned by a local government.
Does Mill Shoals have drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in July 2025. The violations listed here began between June 1977 and July 2025. By type: 2 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminants or rules involved are Consumer Confidence Rule, Lead and Copper Rule and Gross alpha (excluding radon and uranium). EPA lists 1 as unaddressed, 1 as resolved and 1 as archived. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement. 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. 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 |
|---|---|---|---|---|
| 2025-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Unaddressed |
| 2023-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 1977-06-30 | Monitoring and reportingMonitoring, Regular · code 03 | Gross alpha (excluding radon and uranium)code 4000 | No | Archived |
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.
Mill Shoals: frequently asked questions
Who runs Mill Shoals?
Mill Shoals (PWSID IL1930300) is a community water system owned by a local government. It is regulated by the IL state drinking water program.
How many people does Mill Shoals serve?
Mill Shoals reports serving 224 people through 128 service connections in White County, Illinois.
Where does Mill Shoals 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 Mill Shoals have any drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in July 2025. 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 Mill Shoals' 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 July 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the IL state drinking water program.
Where can I find Mill Shoals' water quality report?
As a community water system, Mill Shoals 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 White County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Carmi | White | 6,307 | Community | Groundwater |
| Norris City | White | 2,155 | Community | Groundwater |
| Grayville | White | 1,613 | Community | Groundwater |
| Crossville | White | 1,091 | Community | Purchased groundwater |
| Enfield | White | 1,064 | Community | Purchased surface water |
| Brownsville Water Project, Inc. | White | 800 | Community | Purchased 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, “Mill Shoals, PWSID IL1930300, Illinois”, https://aquacensus.com/water-systems/illinois/mill-shoals-il1930300 (data as of October 1, 2026).