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Public water system · WI7350127

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Tomahawk Waterworks

Community water system in Lincoln County, Wisconsin, drawing primarily on groundwater.

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

Population served

3,180

Service connections

1,500

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDWI7350127
System typeCommunity water system
Activity statusActive
Population served3,180
Service connections1,500
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyWI state drinking water program
City servedTomahawk
StateWisconsin
ZIP—
CountyLincoln County

Violations & enforcement

BeganViolationContaminant or ruleHealth-basedStatus
2024-10-17Required treatment not metLSL Inventory · code 2ELead and Copper Rule Revisionscode 5200YesUnaddressed
2024-10-17Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoUnaddressed
2012-10-01Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72Consumer Confidence Rulecode 7000NoResolved
2012-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2010-10-01Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72Consumer Confidence Rulecode 7000NoResolved
2010-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2002-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2002-05-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
1993-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved

All 9 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.

Tomahawk Waterworks: frequently asked questions

Is Tomahawk Waterworks's water safe to drink?

Tomahawk Waterworks is an active community water system regulated under the Safe Drinking Water Act, overseen by the WI 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 Tomahawk Waterworks?

Tomahawk Waterworks (PWSID WI7350127) is a local government-owned community water system, regulated by the WI state drinking water program.

How many people does Tomahawk Waterworks serve?

Tomahawk Waterworks reports serving 3,180 people through 1,500 service connections in Lincoln County, Wisconsin.

Where does Tomahawk Waterworks get its water?

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

Other water systems in Lincoln County

Water systemCountyPopulation servedTypeSource
Merrill WaterworksLincoln9,661CommunityGroundwater
Hwy 51 Truckstop Site 4488Lincoln636Non-transient non-communityGroundwater
Olivia Telschow LLCLincoln612Transient non-communityGroundwater
Wi Dnr Council Grnds Entrance OfficeLincoln525Transient non-communityGroundwater
Lincoln Hills SchoolLincoln316CommunityGroundwater
Foleys Tree ServiceLincoln212Transient non-communityGroundwater

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