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Public water system · IL1090010

Active

New Salem PWD

At a glance

New Salem PWD (PWSID IL1090010) is an active community water system in McDonough County, Illinois. It reports serving 451 people through 206 service connections. Its primary water source is purchased groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, 12 are health-based, and the most recent began in October 2017.

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

Population served

451

Service connections

206

Primary source

GWP

Purchased groundwater

System type

CWS

Community water system

System record

PWSIDIL1090010
System typeCommunity water system
Activity statusActive
Population served451
Service connections206
Primary water sourcePurchased groundwater
Owner typeLocal government
Primacy agencyIL state drinking water program
City servedPetersburg
StateIllinois
ZIP—
CountyMcDonough County

How does New Salem PWD compare with other water systems in McDonough County?

By EPA's size categories, New Salem PWD is a very small system (500 people or fewer). McDonough County has 21 active public water systems. Its population served is well below the county average of 1,588 people per system, and accounts for 1.4% of the 33,349 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 Salem PWD 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 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 New Salem PWD?

EPA lists New Salem PWD 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. 12 of the 21 active systems in McDonough County (57%) are also owned by a local government.

Does New Salem PWD have drinking water violations?

Of the 12 most recent violations in EPA's records, 12 are health-based, and the most recent began in October 2017. The violations listed here began between January 2015 and October 2017. By type: 12 contaminant level above the legal limit. The contaminant or rule involved most often is Total trihalomethanes (TTHM) (12 of them). EPA lists 12 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.

BeganViolationContaminant or ruleHealth-basedStatus
2017-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesResolved
2017-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesResolved
2017-04-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesResolved
2017-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesResolved
2016-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesResolved
2016-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesResolved
2016-04-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesResolved
2016-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesResolved
2015-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesResolved
2015-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesResolved
2015-04-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesResolved
2015-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesResolved

The 12 most recent 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 Salem PWD: frequently asked questions

Who runs New Salem PWD?

New Salem PWD (PWSID IL1090010) 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 Salem PWD serve?

New Salem PWD reports serving 451 people through 206 service connections in McDonough County, Illinois.

Where does New Salem PWD 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 New Salem PWD have any drinking water violations?

Of the 12 most recent violations in EPA's records, 12 are health-based, and the most recent began in October 2017. 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 Salem PWD'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. Of the 12 most recent violations in EPA's records, 12 are health-based, and the most recent began in October 2017. 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 Salem PWD's water quality report?

As a community water system, New Salem PWD 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 McDonough County

Water systemCountyPopulation servedTypeSource
MacombMcDonough15,051CommunitySurface water
Western Illinois UniversityMcDonough8,000CommunityPurchased surface water
BushnellMcDonough2,972CommunityGroundwater
West Prairie Water Co-OpMcDonough2,395CommunityPurchased groundwater
ColchesterMcDonough1,395CommunityPurchased surface water
BlandinsvilleMcDonough569CommunitySurface 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 Salem PWD, PWSID IL1090010, Illinois”, https://aquacensus.com/water-systems/illinois/new-salem-pwd-il1090010 (data as of October 1, 2026).