Marshall, MO
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
Marshall Pws
- PWSID:
- MO2010502
- Source:
- Ground water
- Serves:
- 12,934 people
Saline County Pwsd 1
- PWSID:
- MO2024555
- Source:
- Ground water
- Serves:
- 480 people
Saline County Pwsd 3
- PWSID:
- MO2024557
- Source:
- Ground water
- Serves:
- 3,000 people
EPA & DEP violations
Marshall Pws
PWSID MO20105023 violationsTTHM — MCL violation
high severityHealth-basedResolvedTTHM MCL violation (Resolved).
EPA SDWIS · MCL · Began Jul 1, 2018 · 8 years ago · Source ↗
Groundwater Rule — TT violation
high severityHealth-basedResolvedGroundwater Rule TT violation (Resolved).
EPA SDWIS · TT · Began May 1, 2018 · 8 years ago · Source ↗
TTHM — MCL violation
high severityHealth-basedResolvedTTHM MCL violation (Resolved).
EPA SDWIS · MCL · Began Jul 1, 2017 · 9 years ago · Source ↗
City-wide
17 violationsLead and Copper Rule — MR violation
medium severityUnaddressedLead and Copper Rule MR violation (Unaddressed).
EPA SDWIS · MR · Began Dec 30, 2025 · 7 months ago · Source ↗
Revised Total Coliform Rule — MON violation
medium severityResolvedRevised Total Coliform Rule MON violation (Resolved).
EPA SDWIS · MON · Began Nov 1, 2024 · 1 year ago · Source ↗
Revised Total Coliform Rule — TT violation
high severityHealth-basedUnaddressedRevised Total Coliform Rule TT violation (Unaddressed).
EPA SDWIS · TT · Began Oct 28, 2024 · 1 year ago · Source ↗
LEAD AND COPPER RULE REVISIONS — RPT violation
medium severityResolvedLEAD AND COPPER RULE REVISIONS RPT violation (Resolved).
EPA SDWIS · RPT · Began Oct 17, 2024 · 1 year ago · Source ↗
Revised Total Coliform Rule — MON violation
medium severityResolvedRevised Total Coliform Rule MON violation (Resolved).
EPA SDWIS · MON · Began Jul 1, 2022 · 4 years ago · Source ↗
TTHM — MCL violation
high severityHealth-basedResolvedTTHM MCL violation (Resolved).
EPA SDWIS · MCL · Began Oct 1, 2018 · 7 years ago · Source ↗
TTHM — MCL violation
high severityHealth-basedResolvedTTHM MCL violation (Resolved).
EPA SDWIS · MCL · Began Jul 1, 2018 · 8 years ago · Source ↗
TTHM — MCL violation
high severityHealth-basedResolvedTTHM MCL violation (Resolved).
EPA SDWIS · MCL · Began Jul 1, 2018 · 8 years ago · Source ↗
TTHM — MCL violation
high severityHealth-basedResolvedTTHM MCL violation (Resolved).
EPA SDWIS · MCL · Began Apr 1, 2018 · 8 years ago · Source ↗
TTHM — MCL violation
high severityHealth-basedResolvedTTHM MCL violation (Resolved).
EPA SDWIS · MCL · Began Apr 1, 2018 · 8 years ago · Source ↗
TTHM — MCL violation
high severityHealth-basedResolvedTTHM MCL violation (Resolved).
EPA SDWIS · MCL · Began Jan 1, 2018 · 8 years ago · Source ↗
TTHM — MCL violation
high severityHealth-basedResolvedTTHM MCL violation (Resolved).
EPA SDWIS · MCL · Began Jan 1, 2018 · 8 years ago · Source ↗
TTHM — MCL violation
high severityHealth-basedResolvedTTHM MCL violation (Resolved).
EPA SDWIS · MCL · Began Oct 1, 2017 · 8 years ago · Source ↗
TTHM — MCL violation
high severityHealth-basedResolvedTTHM MCL violation (Resolved).
EPA SDWIS · MCL · Began Oct 1, 2017 · 8 years ago · Source ↗
Public Notice — Other violation
medium severityResolvedPublic Notice Other violation (Resolved).
EPA SDWIS · Other · Began Jul 17, 2017 · 9 years ago · Source ↗
TTHM — MCL violation
high severityHealth-basedResolvedTTHM MCL violation (Resolved).
EPA SDWIS · MCL · Began Jul 1, 2017 · 9 years ago · Source ↗
TTHM — MCL violation
high severityHealth-basedResolvedTTHM MCL violation (Resolved).
EPA SDWIS · MCL · Began Jul 1, 2017 · 9 years ago · Source ↗
Water-related lawsuits
No lawsuits on record.
In the news & sources
No coverage linked yet.