North Liberty, IA
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
North Liberty Water Supply
- PWSID:
- IA5252072
- Source:
- Ground water
- Serves:
- 23,276 people
Longview Estates Hoa (North Liberty)
- PWSID:
- IA5252302
- Source:
- Ground water
- Serves:
- 108 people
Cumberland Ridge First Addition
- PWSID:
- IA5252301
- Source:
- Ground water
- Serves:
- 55 people
Coralville Lake Terrace
- PWSID:
- IA5200817
- Source:
- Ground water
- Serves:
- 340 people
EPA & DEP violations
City-wide
20 violationsConsumer Confidence Rule — Other violation
medium severityUnaddressedConsumer Confidence Rule Other violation (Unaddressed).
EPA SDWIS · Other · Began Jul 1, 2025 · 1 year ago · Source ↗
Consumer Confidence Rule — Other violation
medium severityResolvedConsumer Confidence Rule Other violation (Resolved).
EPA SDWIS · Other · Began Jul 1, 2024 · 2 years ago · Source ↗
Consumer Confidence Rule — Other violation
medium severityResolvedConsumer Confidence Rule Other violation (Resolved).
EPA SDWIS · Other · Began Jul 1, 2021 · 5 years ago · Source ↗
E. COLI — MR violation
medium severityResolvedE. COLI MR violation (Resolved).
EPA SDWIS · MR · Began Jun 26, 2017 · 9 years ago · Source ↗
Consumer Confidence Rule — Other violation
medium severityResolvedConsumer Confidence Rule Other violation (Resolved).
EPA SDWIS · Other · Began Jul 1, 2016 · 10 years ago · Source ↗
TTHM — MR violation
medium severityResolvedTTHM MR violation (Resolved).
EPA SDWIS · MR · Began Aug 1, 2015 · 11 years ago · Source ↗
Total Haloacetic Acids (HAA5) — MR violation
medium severityResolvedTotal Haloacetic Acids (HAA5) MR violation (Resolved).
EPA SDWIS · MR · Began Aug 1, 2015 · 11 years ago · Source ↗
Public Notice — Other violation
medium severityResolvedPublic Notice Other violation (Resolved).
EPA SDWIS · Other · Began Oct 21, 2014 · 11 years ago · Source ↗
Nitrate — MR violation
medium severityResolvedNitrate MR violation (Resolved).
EPA SDWIS · MR · Began Apr 1, 2014 · 12 years ago · Source ↗
Consumer Confidence Rule — Other violation
medium severityResolvedConsumer Confidence Rule Other violation (Resolved).
EPA SDWIS · Other · Began Jul 1, 2013 · 13 years ago · Source ↗
Coliform (TCR) — MR violation
medium severityResolvedColiform (TCR) MR violation (Resolved).
EPA SDWIS · MR · Began Jul 1, 2013 · 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 Jul 1, 2011 · 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 ↗
Lead and Copper Rule — MR violation
medium severityResolvedLead and Copper Rule MR violation (Resolved).
EPA SDWIS · MR · Began Jun 1, 2010 · 16 years ago · Source ↗
Lead and Copper Rule — MR violation
medium severityResolvedLead and Copper Rule MR violation (Resolved).
EPA SDWIS · MR · Began Jun 1, 2010 · 16 years ago · Source ↗
Coliform (TCR) — MR violation
medium severityResolvedColiform (TCR) MR violation (Resolved).
EPA SDWIS · MR · Began Apr 1, 2010 · 16 years ago · Source ↗
Coliform (TCR) — MR violation
medium severityResolvedColiform (TCR) MR violation (Resolved).
EPA SDWIS · MR · Began Apr 1, 2010 · 16 years ago · Source ↗
Nitrate — MR violation
medium severityResolvedNitrate MR violation (Resolved).
EPA SDWIS · MR · Began Jan 1, 2010 · 16 years ago · Source ↗
Nitrate — MR violation
medium severityResolvedNitrate MR violation (Resolved).
EPA SDWIS · MR · Began Jan 1, 2010 · 16 years ago · Source ↗
Water-related lawsuits
No lawsuits on record.
In the news & sources
No coverage linked yet.