Public water system · IL0770150

Active

Carbondale

At a glance

Carbondale (PWSID IL0770150) is an active community water system in Jackson County, Illinois. It reports serving 22,107 people through 7,134 service connections. Its primary water source is surface water, and EPA lists it as owned by a local government. EPA's records list 11 violations for this system; 7 are health-based, and the most recent began in December 2025.

Dataset updated October 2026 . Source: EPA SDWIS/ECHO public records.

Population served

22,107

Service connections

7,134

Primary source

Surface water

System type

CWS

Community water system

System record

PWSIDIL0770150

System typeCommunity water system

Activity statusActive

Population served22,107

Service connections7,134

Primary water sourceSurface water

Owner typeLocal government

Primacy agencyIL state drinking water program

City servedCarbondale

StateIllinois

ZIP—

CountyJackson County

How does Carbondale compare with other water systems in Jackson County?

By EPA's size categories, Carbondale is a large system (10,001 to 100,000 people). Jackson County has 25 active public water systems, and Carbondale is the largest of them by population served. Its population served is about 9.7 times the county average of 2,289 people per system, and accounts for 39% of the 57,218 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 Carbondale is about 3.3 times 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. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 89 Illinois systems (2.3%) list surface water as their primary source.

Who owns and regulates Carbondale?

EPA lists Carbondale 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. 17 of the 25 active systems in Jackson County (68%) are also owned by a local government.

Does Carbondale have drinking water violations?

EPA's records list 11 violations for this system; 7 are health-based, and the most recent began in December 2025. The violations listed here began between June 1977 and December 2025. By type: 7 required treatment not met, 3 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Carbon, total (4 of them). EPA lists 8 as resolved and 3 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
2025-12-01	Required treatment not metTreatment Technique (SWTR and GWR) · code 41	Long Term 2 Enhanced Surface Water Treatment Rulecode 0800	Yes	Archived
2024-08-27	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Resolved
2024-07-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Carbon, totalcode 2920	No	Resolved
2024-07-01	Required treatment not metTreatment Technique Precursor Removal · code 46	Carbon, totalcode 2920	Yes	Resolved
2024-07-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Carbon, totalcode 2920	No	Resolved
2024-04-01	Required treatment not metTreatment Technique Precursor Removal · code 46	Carbon, totalcode 2920	Yes	Resolved
2018-06-01	Required treatment not metSingle Turbidity Exceed (Enhanced SWTR) · code 43	Interim Enhanced Surface Water Treatment Rulecode 0300	Yes	Resolved
2009-05-01	Required treatment not metMonthly Turbidity Exceed (Enhanced SWTR) · code 44	Interim Enhanced Surface Water Treatment Rulecode 0300	Yes	Resolved
2009-05-01	Required treatment not metSingle Turbidity Exceed (Enhanced SWTR) · code 43	Interim Enhanced Surface Water Treatment Rulecode 0300	Yes	Resolved
1994-02-01	Required treatment not metTreatment Technique (SWTR and GWR) · code 41	Surface Water Treatment Rulecode 0200	Yes	Archived
1977-06-30	Monitoring and reportingMonitoring, Regular · code 03	Gross alpha (excluding radon and uranium)code 4000	No	Archived

All 11 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.

Carbondale: frequently asked questions

Who runs Carbondale?

Carbondale (PWSID IL0770150) is a community water system owned by a local government. It is regulated by the IL state drinking water program.

How many people does Carbondale serve?

Carbondale reports serving 22,107 people through 7,134 service connections in Jackson County, Illinois.

Where does Carbondale get its water?

EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.

Does Carbondale have any drinking water violations?

EPA's records list 11 violations for this system; 7 are health-based, and the most recent began in December 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 Carbondale'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 11 violations for this system; 7 are health-based, and the most recent began in December 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 Carbondale's water quality report?

As a community water system, Carbondale 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 Jackson County

Water system	County	Population served	Type	Source
Murphysboro	Jackson	10,241	Community	Purchased surface water
South Highway PWD	Jackson	4,972	Community	Purchased surface water
Murdale PWD	Jackson	4,963	Community	Purchased surface water
Lakeside PWD	Jackson	3,065	Community	Purchased surface water
De Soto	Jackson	1,910	Community	Purchased surface water
Dowell	Jackson	1,188	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, “Carbondale, PWSID IL0770150, Illinois”, https://aquacensus.com/water-systems/illinois/carbondale-il0770150 (data as of October 1, 2026).