Public water system · IL0015350

Active

Abs Water Coop

At a glance

Abs Water Coop (PWSID IL0015350) is an active community water system in Adams County, Illinois. It reports serving 6,858 people through 2,743 service connections. Its primary water source is purchased groundwater, and EPA lists it as privately owned. EPA's records list 9 violations for this system; 5 are health-based, and the most recent began in October 2009.

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

Population served

6,858

Service connections

2,743

Primary source

GWP

Purchased groundwater

System type

CWS

Community water system

System record

PWSIDIL0015350

System typeCommunity water system

Activity statusActive

Population served6,858

Service connections2,743

Primary water sourcePurchased groundwater

Owner typePrivate

Primacy agencyIL state drinking water program

City served—

StateIllinois

ZIP—

CountyAdams County

How does Abs Water Coop compare with other water systems in Adams County?

By EPA's size categories, Abs Water Coop is a medium system (3,301 to 10,000 people). Adams County has 22 active public water systems, and Abs Water Coop is the 2nd-largest of them by population served. Its population served is about 122% above the county average of 3,086 people per system, and accounts for 10% of the 67,881 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 Abs Water Coop is roughly in line with 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 Abs Water Coop?

EPA lists Abs Water Coop 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. 5 of the 22 active systems in Adams County (23%) are also privately owned.

Does Abs Water Coop have drinking water violations?

EPA's records list 9 violations for this system; 5 are health-based, and the most recent began in October 2009. The violations listed here began between January 1994 and October 2009. By type: 4 contaminant level above the legal limit, 3 monitoring and reporting, 1 public notice, recordkeeping or other and 1 required treatment not met. The contaminant or rule involved most often is Total coliform bacteria (TCR) (5 of them). EPA lists 9 as resolved. 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.

Began	Violation	Contaminant or rule	Health-based	Status
2009-10-30	Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72	Consumer Confidence Rulecode 7000	No	Resolved
2008-09-01	Monitoring and reportingMonitoring, Repeat Major (TCR) · code 25	Total coliform bacteria (TCR)code 3100	No	Resolved
2007-05-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22	Total coliform bacteria (TCR)code 3100	Yes	Resolved
2007-01-01	Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52	Lead and Copper Rulecode 5000	No	Resolved
2004-11-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22	Total coliform bacteria (TCR)code 3100	Yes	Resolved
2004-06-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22	Total coliform bacteria (TCR)code 3100	Yes	Resolved
2000-07-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22	Total coliform bacteria (TCR)code 3100	Yes	Resolved
1999-07-01	Monitoring and reportingWater Quality Parameter M/R · code 53	Lead and Copper Rulecode 5000	No	Resolved
1994-01-01	Required treatment not metOCCT/SOWT Study/Recommendation · code 57	Lead and Copper Rulecode 5000	Yes	Resolved

All 9 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.

Abs Water Coop: frequently asked questions

Who runs Abs Water Coop?

Abs Water Coop (PWSID IL0015350) is a community water system privately owned. It is regulated by the IL state drinking water program.

How many people does Abs Water Coop serve?

Abs Water Coop reports serving 6,858 people through 2,743 service connections in Adams County, Illinois.

Where does Abs Water Coop 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 Abs Water Coop have any drinking water violations?

EPA's records list 9 violations for this system; 5 are health-based, and the most recent began in October 2009. 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 Abs Water Coop'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 9 violations for this system; 5 are health-based, and the most recent began in October 2009. For current results, consult the system's annual water quality report, EPA ECHO, or the IL state drinking water program.

Where can I find Abs Water Coop's water quality report?

As a community water system, Abs Water Coop 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 Adams County

Water system	County	Population served	Type	Source
Quincy	Adams	42,000	Community	Surface water
Mill Creek PWD	Adams	5,755	Community	Groundwater
Clayton-Camp Point Water Commission	Adams	2,470	Community	Groundwater
Blessing Hospital	Adams	2,460	Non-transient non-community	Purchased surface water
Payson	Adams	1,386	Community	Groundwater
Camp Point	Adams	1,190	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, “Abs Water Coop, PWSID IL0015350, Illinois”, https://aquacensus.com/water-systems/illinois/abs-water-coop-il0015350 (data as of October 1, 2026).