Decorah, 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
Decorah Water Department
- PWSID:
- IA9630012
- Source:
- Ground water
- Serves:
- 7,615 people
Freeport Water District
- PWSID:
- IA9630001
- Source:
- Ground water
- Serves:
- 775 people
Sherman Place Water & Road, Inc.
- PWSID:
- IA9630303
- Source:
- Ground water
- Serves:
- 73 people
Scenic View Estates
- PWSID:
- IA9630307
- Source:
- Ground water
- Serves:
- 78 people
Deerfield Heights Association
- PWSID:
- IA9630316
- Source:
- Ground water
- Serves:
- 28 people
EPA & DEP violations
Decorah Water Department
PWSID IA96300122 violationsCity-wide
14 violationsRevised Total Coliform Rule — MON violation
medium severityResolvedRevised Total Coliform Rule MON violation (Resolved).
EPA SDWIS · MON · Began Nov 1, 2021 · 4 years ago · Source ↗
Revised Total Coliform Rule — MON violation
medium severityResolvedRevised Total Coliform Rule MON violation (Resolved).
EPA SDWIS · MON · Began Nov 1, 2021 · 4 years ago · Source ↗
Coliform (TCR) — MR violation
medium severityResolvedColiform (TCR) MR violation (Resolved).
EPA SDWIS · MR · Began Nov 1, 2014 · 11 years ago · Source ↗
Coliform (TCR) — MR violation
medium severityResolvedColiform (TCR) MR violation (Resolved).
EPA SDWIS · MR · Began Apr 1, 2014 · 12 years ago · Source ↗
Nitrate — MR violation
medium severityResolvedNitrate MR violation (Resolved).
EPA SDWIS · MR · Began Jan 1, 2014 · 12 years ago · Source ↗
Coliform (TCR) — MR violation
medium severityResolvedColiform (TCR) MR violation (Resolved).
EPA SDWIS · MR · Began Nov 1, 2013 · 12 years ago · Source ↗
Coliform (TCR) — MR violation
medium severityResolvedColiform (TCR) MR violation (Resolved).
EPA SDWIS · MR · Began Oct 1, 2013 · 12 years ago · Source ↗
Other — Other violation
medium severityResolvedContaminant Other violation (Resolved).
EPA SDWIS · Other · Began Jun 1, 2013 · 13 years ago · Source ↗
Coliform (TCR) — MR violation
medium severityResolvedColiform (TCR) MR violation (Resolved).
EPA SDWIS · MR · Began Apr 1, 2013 · 13 years ago · Source ↗
Coliform (TCR) — MR violation
medium severityResolvedColiform (TCR) MR violation (Resolved).
EPA SDWIS · MR · Began Dec 1, 2011 · 14 years ago · Source ↗
Chlorine — MR violation
medium severityResolvedChlorine MR violation (Resolved).
EPA SDWIS · MR · Began Oct 1, 2011 · 14 years ago · Source ↗
Violation — Violation violation
medium severityContaminant Violation violation.
EPA SDWIS · Violation · Began — · Source ↗
Violation — Violation violation
medium severityContaminant Violation violation.
EPA SDWIS · Violation · Began — · 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.