Skip to content
AquaCensus

Public water system · IL1310200

Active

Matherville

Community water system in Mercer County, Illinois, drawing primarily on groundwater.

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

Population served

651

Service connections

308

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDIL1310200
System typeCommunity water system
Activity statusActive
Population served651
Service connections308
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyIL state drinking water program
City servedMathersville
StateIllinois
ZIP—
CountyMercer County

Violations & enforcement

BeganViolationContaminant or ruleHealth-basedStatus
2019-07-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Chlorinecode 0999NoResolved
1998-09-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoArchived
1998-04-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoArchived
1996-09-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoArchived
1996-08-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoArchived
1996-07-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoArchived
1995-11-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoArchived
1995-10-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
1995-01-01Monitoring and reportingMonitoring, Regular · code 03Oxamylcode 2036NoResolved
1995-01-01Monitoring and reportingMonitoring, Regular · code 03Heptachlor epoxidecode 2067NoResolved
1995-01-01Monitoring and reportingMonitoring, Regular · code 03Heptachlorcode 2065NoResolved
1995-01-01Monitoring and reportingMonitoring, Regular · code 03Alachlor (Lasso)code 2051NoResolved

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.

Matherville: frequently asked questions

Is Matherville's water safe to drink?

Matherville is an active community water system regulated under the Safe Drinking Water Act, overseen by the IL state drinking water program. EPA's SDWA data records violations for this system — the most recent are listed on this page; consult EPA ECHO or your annual Consumer Confidence Report for its current compliance status.

Who runs Matherville?

Matherville (PWSID IL1310200) is a local government-owned community water system, regulated by the IL state drinking water program.

How many people does Matherville serve?

Matherville reports serving 651 people through 308 service connections in Mercer County, Illinois.

Where does Matherville get its water?

EPA SDWIS lists this system's primary water source as groundwater.

Other water systems in Mercer County

Water systemCountyPopulation servedTypeSource
AledoMercer3,470CommunityGroundwater
ViolaMercer970CommunityGroundwater
SherrardMercer785CommunityGroundwater
Fyre Lake Water CompanyMercer760CommunityGroundwater
KeithsburgMercer747CommunityGroundwater
New WindsorMercer740CommunityGroundwater

Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.