Marengo, 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
Marengo Water Supply
- PWSID:
- IA4843033
- Source:
- Ground water
- Serves:
- 2,435 people
Iowa Valley Estates
- PWSID:
- IA4800634
- Source:
- Ground water
- Serves:
- 46 people
EPA & DEP violations
Marengo Water Supply
PWSID IA48430334 violationsTTHM — MR violation
medium severityResolvedTTHM MR violation (Resolved).
EPA SDWIS · MR · Began Aug 1, 2019 · 7 years ago · Source ↗
Total Haloacetic Acids (HAA5) — MR violation
medium severityResolvedTotal Haloacetic Acids (HAA5) MR violation (Resolved).
EPA SDWIS · MR · Began Aug 1, 2019 · 7 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 ↗
Violation — Violation violation
medium severityContaminant Violation violation.
EPA SDWIS · Violation · Began — · Source ↗
City-wide
10 violationsNitrate — MCL violation
high severityHealth-basedResolvedNitrate MCL violation (Resolved).
EPA SDWIS · MCL · Began Oct 1, 2023 · 2 years ago · Source ↗
Nitrate — MCL violation
high severityHealth-basedResolvedNitrate MCL violation (Resolved).
EPA SDWIS · MCL · Began Sep 1, 2023 · 2 years ago · Source ↗
Nitrate — MCL violation
high severityHealth-basedResolvedNitrate MCL violation (Resolved).
EPA SDWIS · MCL · Began Aug 1, 2023 · 3 years ago · Source ↗
Nitrate — MCL violation
high severityHealth-basedResolvedNitrate MCL violation (Resolved).
EPA SDWIS · MCL · Began Jul 1, 2023 · 3 years ago · Source ↗
Nitrate — MCL violation
high severityHealth-basedResolvedNitrate MCL violation (Resolved).
EPA SDWIS · MCL · Began Jun 1, 2023 · 3 years ago · Source ↗
Nitrate — MCL violation
high severityHealth-basedResolvedNitrate MCL violation (Resolved).
EPA SDWIS · MCL · Began May 1, 2023 · 3 years ago · Source ↗
Nitrate — MCL violation
high severityHealth-basedResolvedNitrate MCL violation (Resolved).
EPA SDWIS · MCL · Began Apr 1, 2023 · 3 years ago · Source ↗
Nitrate — MCL violation
high severityHealth-basedResolvedNitrate MCL violation (Resolved).
EPA SDWIS · MCL · Began Mar 1, 2023 · 3 years ago · Source ↗
Nitrate — MCL violation
high severityHealth-basedResolvedNitrate MCL violation (Resolved).
EPA SDWIS · MCL · Began Apr 1, 2022 · 4 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.