Marion, MO
Contamination score
Higher = more contaminated vs. other cities.
Share this with friends & family you care about ❤️
Help someone you love know what's in their water — we'll email them Marion's report. No sign-ups, no list.
Reported illness & cancer claims
No claims reported yet. Be the first to add one.
Claims are aggregated from public records and community reports and may be unverified. If you believe your illness is linked to local water, request a consultation.
Self-reported issues
No issues reported yet. Be the first to report one.
Pollution sources & reported claims near your water
Factories, greenhouses, and contaminated sites mapped around the water supply. Tap any circle for detail.
Get water alerts for Marion, MO
We'll email you when a new violation, lawsuit, or health report appears for Marion's water. Free, unsubscribe anytime.

Public water systems
Daviess County Pwsd 1
- PWSID:
- MO1024186
- Source:
- Ground water
- Serves:
- 2,165 people
EPA & DEP violations
Daviess County Pwsd 1
PWSID MO102418610 violationsLEAD AND COPPER RULE REVISIONS — RPT violation
medium severityUnaddressedLEAD AND COPPER RULE REVISIONS RPT violation (Unaddressed).
EPA SDWIS · RPT · Began Jul 2, 2025 · 1 year ago · Source ↗
Revised Total Coliform Rule — MON violation
medium severityArchivedRevised Total Coliform Rule MON violation (Archived).
EPA SDWIS · MON · Began May 1, 2025 · 1 year ago · Source ↗
Revised Total Coliform Rule — MON violation
medium severityResolvedRevised Total Coliform Rule MON violation (Resolved).
EPA SDWIS · MON · Began Jul 1, 2020 · 6 years ago · Source ↗
Revised Total Coliform Rule — MON violation
medium severityResolvedRevised Total Coliform Rule MON violation (Resolved).
EPA SDWIS · MON · Began Nov 1, 2019 · 6 years ago · Source ↗
Lead and Copper Rule — MR violation
medium severityResolvedLead and Copper Rule MR violation (Resolved).
EPA SDWIS · MR · Began Oct 1, 2018 · 7 years ago · Source ↗
Revised Total Coliform Rule — MON violation
medium severityResolvedRevised Total Coliform Rule MON violation (Resolved).
EPA SDWIS · MON · Began Aug 1, 2018 · 8 years ago · Source ↗
Coliform (TCR) — MCL violation
high severityHealth-basedResolvedColiform (TCR) MCL violation (Resolved).
EPA SDWIS · MCL · Began Jun 1, 2015 · 11 years ago · Source ↗
Groundwater Rule — Other violation
medium severityResolvedGroundwater Rule Other violation (Resolved).
EPA SDWIS · Other · Began May 19, 2015 · 11 years ago · Source ↗
Coliform (TCR) — MR violation
medium severityResolvedColiform (TCR) MR violation (Resolved).
EPA SDWIS · MR · Began Nov 1, 2012 · 13 years ago · Source ↗
Coliform (TCR) — MR violation
medium severityResolvedColiform (TCR) MR violation (Resolved).
EPA SDWIS · MR · Began Jul 1, 2012 · 14 years ago · Source ↗
Water-related lawsuits
No lawsuits on record.
In the news & sources
No coverage linked yet.