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Public water system · IL0310900

Active

Forest Park

Community water system in Cook County, Illinois, drawing primarily on purchased surface water.

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

Population served

14,340

Service connections

3,474

Primary source

SWP

Purchased surface water

System type

CWS

Community water system

System record

PWSIDIL0310900
System typeCommunity water system
Activity statusActive
Population served14,340
Service connections3,474
Primary water sourcePurchased surface water
Owner typeLocal government
Primacy agencyIL state drinking water program
City servedForest Park
StateIllinois
ZIP—
CountyCook County

Violations & enforcement

BeganViolationContaminant or ruleHealth-basedStatus
2025-07-02ReportingNotification, Known or Potential LSL · code 4HLead and Copper Rule Revisionscode 5200NoUnaddressed
2017-07-01Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72Consumer Confidence Rulecode 7000NoResolved
2004-01-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2003-12-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
1999-09-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesArchived
1999-09-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Acute (TCR) · code 21Total coliform bacteria (TCR)code 3100YesArchived

All 6 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.

Forest Park: frequently asked questions

Is Forest Park's water safe to drink?

Forest Park 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 Forest Park?

Forest Park (PWSID IL0310900) is a local government-owned community water system, regulated by the IL state drinking water program.

How many people does Forest Park serve?

Forest Park reports serving 14,340 people through 3,474 service connections in Cook County, Illinois.

Where does Forest Park get its water?

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

Other water systems in Cook County

Water systemCountyPopulation servedTypeSource
ChicagoCook2,721,308CommunitySurface water
CiceroCook83,000CommunityPurchased surface water
SchaumburgCook75,750CommunityPurchased surface water
EvanstonCook74,486CommunitySurface water
Arlington HeightsCook73,320CommunityPurchased surface water
PalatineCook70,875CommunityPurchased surface water

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