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Public water system · IL1150200

Active

Forsyth

At a glance

Forsyth (PWSID IL1150200) is an active community water system in Macon County, Illinois. It reports serving 3,490 people through 1,609 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 3 violations for this system; 2 are health-based, and the most recent began in January 2021.

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

Population served

3,490

Service connections

1,609

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDIL1150200
System typeCommunity water system
Activity statusActive
Population served3,490
Service connections1,609
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyIL state drinking water program
City servedForsyth
StateIllinois
ZIP—
CountyMacon County

How does Forsyth compare with other water systems in Macon County?

By EPA's size categories, Forsyth is a medium system (3,301 to 10,000 people). Macon County has 18 active public water systems, and Forsyth is the 4th-largest of them by population served. Its population served is about 40% below the county average of 5,787 people per system, and accounts for 3.4% of the 104,160 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 Forsyth is about half of 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. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 2,808 Illinois systems (73%) list groundwater as their primary source.

Who owns and regulates Forsyth?

EPA lists Forsyth 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. 13 of the 18 active systems in Macon County (72%) are also owned by a local government.

Does Forsyth have drinking water violations?

EPA's records list 3 violations for this system; 2 are health-based, and the most recent began in January 2021. The violations listed here began between June 1977 and January 2021. By type: 2 required treatment not met and 1 monitoring and reporting. The contaminant or rule involved most often is Lead and Copper Rule (2 of them). EPA lists 2 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.

BeganViolationContaminant or ruleHealth-basedStatus
2021-01-01Required treatment not metWQP Entry Point/Tap Treatment Technique Non-Compliance · code 59Lead and Copper Rulecode 5000YesResolved
2008-08-19Required treatment not metOCCT/SOWT Study/Recommendation · code 57Lead and Copper Rulecode 5000YesResolved
1977-06-30Monitoring and reportingMonitoring, Regular · code 03Gross alpha (excluding radon and uranium)code 4000NoArchived

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.

Forsyth: frequently asked questions

Who runs Forsyth?

Forsyth (PWSID IL1150200) is a community water system owned by a local government. It is regulated by the IL state drinking water program.

How many people does Forsyth serve?

Forsyth reports serving 3,490 people through 1,609 service connections in Macon County, Illinois.

Where does Forsyth get its water?

EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.

Does Forsyth have any drinking water violations?

EPA's records list 3 violations for this system; 2 are health-based, and the most recent began in January 2021. 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 Forsyth'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 3 violations for this system; 2 are health-based, and the most recent began in January 2021. For current results, consult the system's annual water quality report, EPA ECHO, or the IL state drinking water program.

Where can I find Forsyth's water quality report?

As a community water system, Forsyth 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 Macon County

Water systemCountyPopulation servedTypeSource
DecaturMacon76,122CommunitySurface water
Long Creek Township PwsMacon7,850CommunityGroundwater
Mount ZionMacon5,833CommunityPurchased surface water
MaroaMacon1,700CommunityGroundwater
HarristownMacon1,320CommunityPurchased groundwater
Blue MoundMacon1,300CommunityGroundwater

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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, “Forsyth, PWSID IL1150200, Illinois”, https://aquacensus.com/water-systems/illinois/forsyth-il1150200 (data as of October 1, 2026).