Bay St Louis, MS
Contamination score
Higher = more contaminated vs. other cities.
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.

Public water systems
Hancock County Water & Sewer- Bayside
- PWSID:
- MS0230071
- Source:
- Ground water
- Serves:
- 2,458 people
City Of Bay St Louis
- PWSID:
- MS0230001
- Source:
- Ground water
- Serves:
- 9,284 people
EPA & DEP violations
Public Notice — Other violation
medium severityResolvedPublic Notice Other violation (Resolved).
EPA SDWIS · Other · Began Dec 7, 2024 · 1 year ago · Source ↗
TTHM — MCL violation
high severityHealth-basedResolvedTTHM MCL violation (Resolved).
EPA SDWIS · MCL · Began Oct 1, 2024 · 1 year ago · Source ↗
TTHM — MCL violation
high severityHealth-basedResolvedTTHM MCL violation (Resolved).
EPA SDWIS · MCL · Began Jul 1, 2024 · 1 year ago · Source ↗
Public Notice — Other violation
medium severityResolvedPublic Notice Other violation (Resolved).
EPA SDWIS · Other · Began May 27, 2024 · 2 years ago · Source ↗
TTHM — MCL violation
high severityHealth-basedResolvedTTHM MCL violation (Resolved).
EPA SDWIS · MCL · Began Apr 1, 2024 · 2 years ago · Source ↗
Consumer Confidence Rule — Other violation
medium severityResolvedConsumer Confidence Rule Other violation (Resolved).
EPA SDWIS · Other · Began Jul 1, 2023 · 2 years ago · Source ↗
Public Notice — Other violation
medium severityResolvedPublic Notice Other violation (Resolved).
EPA SDWIS · Other · Began Jun 4, 2023 · 3 years ago · Source ↗
Public Notice — Other violation
medium severityResolvedPublic Notice Other violation (Resolved).
EPA SDWIS · Other · Began Mar 10, 2023 · 3 years ago · Source ↗
TTHM — MCL violation
high severityHealth-basedResolvedTTHM MCL violation (Resolved).
EPA SDWIS · MCL · Began Jan 1, 2023 · 3 years ago · Source ↗
TTHM — MCL violation
high severityHealth-basedResolvedTTHM MCL violation (Resolved).
EPA SDWIS · MCL · Began Oct 1, 2022 · 3 years ago · Source ↗
Chlorine — MR violation
medium severityResolvedChlorine MR violation (Resolved).
EPA SDWIS · MR · Began Oct 1, 2018 · 7 years ago · Source ↗
Combined Uranium — MR violation
medium severityResolvedCombined Uranium MR violation (Resolved).
EPA SDWIS · MR · Began Oct 1, 2012 · 13 years ago · Source ↗
Radium-226 — MR violation
medium severityResolvedRadium-226 MR violation (Resolved).
EPA SDWIS · MR · Began Oct 1, 2012 · 13 years ago · Source ↗
Radium-228 — MR violation
medium severityResolvedRadium-228 MR violation (Resolved).
EPA SDWIS · MR · Began Oct 1, 2012 · 13 years ago · Source ↗
Radium-228 — MR violation
medium severityResolvedRadium-228 MR violation (Resolved).
EPA SDWIS · MR · Began Oct 1, 2012 · 13 years ago · Source ↗
Combined Uranium — MR violation
medium severityResolvedCombined Uranium MR violation (Resolved).
EPA SDWIS · MR · Began Oct 1, 2012 · 13 years ago · Source ↗
Radium-228 — MR violation
medium severityResolvedRadium-228 MR violation (Resolved).
EPA SDWIS · MR · Began Oct 1, 2012 · 13 years ago · Source ↗
Radium-226 — MR violation
medium severityResolvedRadium-226 MR violation (Resolved).
EPA SDWIS · MR · Began Oct 1, 2012 · 13 years ago · Source ↗
Radium-226 — MR violation
medium severityResolvedRadium-226 MR violation (Resolved).
EPA SDWIS · MR · Began Oct 1, 2012 · 13 years ago · Source ↗
Radium-226 — MR violation
medium severityResolvedRadium-226 MR violation (Resolved).
EPA SDWIS · MR · Began Jul 1, 2012 · 13 years ago · Source ↗
Water-related lawsuits
No lawsuits on record.
In the news & sources
No coverage linked yet.