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Public water system · IL1970500

Active

Lockport

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

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

Population served

23,100

Service connections

9,839

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDIL1970500
System typeCommunity water system
Activity statusActive
Population served23,100
Service connections9,839
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyIL state drinking water program
City servedLockport
StateIllinois
ZIP—
CountyWill County

Violations & enforcement

BeganViolationContaminant or ruleHealth-basedStatus
2025-12-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Chlorinecode 0999NoResolved
2025-12-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2025-11-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2025-11-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Chlorinecode 0999NoResolved
2025-07-02ReportingNotification, Known or Potential LSL · code 4HLead and Copper Rule Revisionscode 5200NoUnaddressed
2023-01-01Monitoring and reportingMonitoring, Regular · code 03Hexachlorocyclopentadienecode 2042NoArchived
2023-01-01Monitoring and reportingMonitoring, Regular · code 03Benzo(a)pyrenecode 2306NoArchived
2023-01-01Monitoring and reportingMonitoring, Regular · code 032,4,5-TP (Silvex)code 2110NoArchived
2023-01-01Monitoring and reportingMonitoring, Regular · code 03Toxaphenecode 2020NoArchived
2023-01-01Monitoring and reportingMonitoring, Regular · code 03Carbofurancode 2046NoArchived
2023-01-01Monitoring and reportingMonitoring, Regular · code 031,2-Dibromo-3-chloropropane (DBCP)code 2931NoArchived
2023-01-01Monitoring and reportingMonitoring, Regular · code 03Aldicarbcode 2047NoArchived

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.

Lockport: frequently asked questions

Is Lockport's water safe to drink?

Lockport 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 Lockport?

Lockport (PWSID IL1970500) is a local government-owned community water system, regulated by the IL state drinking water program.

How many people does Lockport serve?

Lockport reports serving 23,100 people through 9,839 service connections in Will County, Illinois.

Where does Lockport get its water?

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

Other water systems in Will County

Water systemCountyPopulation servedTypeSource
JolietWill160,000CommunityGroundwater
Il American-West SuburbanWill73,978CommunityPurchased surface water
RomeovilleWill50,458CommunityGroundwater
PlainfieldWill50,000CommunityPurchased surface water
New LenoxWill27,690CommunityPurchased surface water
Il American-Homer TownshipWill24,543CommunityPurchased surface water

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