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Public water system · IL0730150

Active

Annawan

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

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

Population served

843

Service connections

440

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDIL0730150
System typeCommunity water system
Activity statusActive
Population served843
Service connections440
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyIL state drinking water program
City servedAnnawan
StateIllinois
ZIP—
CountyHenry County

Violations & enforcement

BeganViolationContaminant or ruleHealth-basedStatus
2024-10-17ReportingLSL Reporting · code 4GLead and Copper Rule Revisionscode 5200NoResolved
1995-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesArchived
1992-10-01Monitoring and reportingMonitoring, Repeat Major (TCR) · code 25Total coliform bacteria (TCR)code 3100NoArchived
1992-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesArchived
1992-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Acute (TCR) · code 21Total coliform bacteria (TCR)code 3100YesArchived
1992-09-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesArchived
1992-08-01Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24Total coliform bacteria (TCR)code 3100NoArchived
1992-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesArchived
1992-07-01Monitoring and reportingMonitoring, Repeat Minor (TCR) · code 26Total coliform bacteria (TCR)code 3100NoArchived
1977-06-30Monitoring and reportingMonitoring, Regular · code 03Gross alpha (excluding radon and uranium)code 4000NoArchived

All 10 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.

Annawan: frequently asked questions

Is Annawan's water safe to drink?

Annawan 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, including health-based violations; consult EPA ECHO or your annual Consumer Confidence Report for its current compliance status.

Who runs Annawan?

Annawan (PWSID IL0730150) is a local government-owned community water system, regulated by the IL state drinking water program.

How many people does Annawan serve?

Annawan reports serving 843 people through 440 service connections in Henry County, Illinois.

Where does Annawan get its water?

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

Other water systems in Henry County

Water systemCountyPopulation servedTypeSource
KewaneeHenry12,509CommunityGroundwater
GeneseoHenry6,539CommunityGroundwater
Colona WestHenry2,640CommunityGroundwater
Colona EastHenry2,501CommunityGroundwater
GalvaHenry2,449CommunityGroundwater
CambridgeHenry2,086CommunityGroundwater

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