Tomahawk, WI
Contamination score
Higher = more contaminated vs. other cities.
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Reported illness & cancer claims
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Self-reported issues
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Pollution sources & reported claims near your water
Factories, greenhouses, and contaminated sites mapped around the water supply. Tap any circle for detail.
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Public water systems
Tomahawk Waterworks
- PWSID:
- WI7350127
- Source:
- Ground water
- Serves:
- 3,180 people
EPA & DEP violations
City-wide
7 violationsLEAD AND COPPER RULE REVISIONS — TT violation
high severityHealth-basedUnaddressedLEAD AND COPPER RULE REVISIONS TT violation (Unaddressed).
EPA SDWIS · TT · Began Oct 17, 2024 · 1 year ago · Source ↗
Public Notice — Other violation
medium severityUnaddressedPublic Notice Other violation (Unaddressed).
EPA SDWIS · Other · Began Oct 17, 2024 · 1 year ago · Source ↗
Consumer Confidence Rule — Other violation
medium severityResolvedConsumer Confidence Rule Other violation (Resolved).
EPA SDWIS · Other · Began Oct 1, 2012 · 13 years ago · Source ↗
Consumer Confidence Rule — Other violation
medium severityResolvedConsumer Confidence Rule Other violation (Resolved).
EPA SDWIS · Other · Began Jul 1, 2012 · 14 years ago · Source ↗
Consumer Confidence Rule — Other violation
medium severityResolvedConsumer Confidence Rule Other violation (Resolved).
EPA SDWIS · Other · Began Oct 1, 2010 · 15 years ago · Source ↗
Consumer Confidence Rule — Other violation
medium severityResolvedConsumer Confidence Rule Other violation (Resolved).
EPA SDWIS · Other · Began Jul 1, 2010 · 16 years ago · Source ↗
Violation — Violation violation
medium severityContaminant Violation violation.
EPA SDWIS · Violation · Began — · Source ↗
Water-related lawsuits
No lawsuits on record.
In the news & sources
No coverage linked yet.