Public water system · IL0274700
ActiveNew Baden
At a glance
New Baden (PWSID IL0274700) is an active community water system in Clinton County, Illinois. It reports serving 4,178 people through 1,500 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. EPA's records list 5 violations for this system; 2 are health-based, and the most recent began in July 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
4,178
Service connections
1,500
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does New Baden compare with other water systems in Clinton County?
By EPA's size categories, New Baden is a medium system (3,301 to 10,000 people). Clinton County has 24 active public water systems, and New Baden is the 2nd-largest of them by population served. Its population served is about 193% above the county average of 1,428 people per system, and accounts for 12% of the 34,259 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 New Baden is about 38% 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 New Baden?
EPA lists New Baden 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. 18 of the 24 active systems in Clinton County (75%) are also owned by a local government.
Does New Baden have drinking water violations?
EPA's records list 5 violations for this system; 2 are 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, 1 public notice, recordkeeping or other, 1 required treatment not met and 1 contaminant level above the legal limit. The contaminants or rules involved are Consumer Confidence Rule, Long Term 2 Enhanced Surface Water Treatment Rule, Total coliform bacteria (TCR) and Atrazine. EPA lists 4 as resolved and 1 as archived. 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 | Resolved |
| 2014-06-01 | Required treatment not metTreatment Technique (SWTR and GWR) · code 41 | Long Term 2 Enhanced Surface Water Treatment Rulecode 0800 | Yes | Resolved |
| 2006-07-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1995-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Atrazinecode 2050 | Yes | Resolved |
| 1977-06-30 | Monitoring and reportingMonitoring, Regular · code 03 | Gross alpha (excluding radon and uranium)code 4000 | No | Archived |
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.
New Baden: frequently asked questions
Who runs New Baden?
New Baden (PWSID IL0274700) is a community water system owned by a local government. It is regulated by the IL state drinking water program.
How many people does New Baden serve?
New Baden reports serving 4,178 people through 1,500 service connections in Clinton County, Illinois.
Where does New Baden 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 New Baden have any drinking water violations?
EPA's records list 5 violations for this system; 2 are 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 New Baden'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 5 violations for this system; 2 are 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 New Baden's water quality report?
As a community water system, New Baden 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 Clinton County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Breese | Clinton | 4,772 | Community | Surface water |
| Carlyle | Clinton | 3,373 | Community | Surface water |
| Trenton | Clinton | 2,742 | Community | Purchased surface water |
| Aviston | Clinton | 2,545 | Community | Purchased surface water |
| Clinton County East PWD | Clinton | 1,950 | Community | Purchased surface water |
| Carlyle North Water Company, Inc.. | Clinton | 1,850 | 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, “New Baden, PWSID IL0274700, Illinois”, https://aquacensus.com/water-systems/illinois/new-baden-il0274700 (data as of October 1, 2026).