Falmouth, MA
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
Falmouth Water Dept
- PWSID:
- MA4096000
- Source:
- Surface water
- Serves:
- 97,551 people
Otis Air National Guard Base
- PWSID:
- MA4096001
- Source:
- Ground water
- Serves:
- 6,000 people
EPA & DEP violations
LEAD AND COPPER RULE REVISIONS — RPT violation
medium severityUnaddressedLEAD AND COPPER RULE REVISIONS RPT violation (Unaddressed).
EPA SDWIS · RPT · Began Oct 17, 2024 · 1 year ago · Source ↗
LEAD AND COPPER RULE REVISIONS — TT violation
high severityHealth-basedUnaddressedLEAD AND COPPER RULE REVISIONS TT violation (Unaddressed).
EPA SDWIS · TT · Began Oct 17, 2024 · 1 year ago · Source ↗
Revised Total Coliform Rule — MCL violation
high severityHealth-basedResolvedRevised Total Coliform Rule MCL violation (Resolved).
EPA SDWIS · MCL · Began Sep 1, 2021 · 4 years ago · Source ↗
Lead and Copper Rule — MR violation
medium severityResolvedLead and Copper Rule MR violation (Resolved).
EPA SDWIS · MR · Began Oct 1, 2020 · 5 years ago · Source ↗
Interim Enhanced Surface Water Treatment Rule — TT violation
high severityHealth-basedResolvedInterim Enhanced Surface Water Treatment Rule TT violation (Resolved).
EPA SDWIS · TT · Began Aug 1, 2020 · 5 years ago · Source ↗
E. COLI — MR violation
medium severityResolvedE. COLI MR violation (Resolved).
EPA SDWIS · MR · Began Aug 22, 2017 · 8 years ago · Source ↗
TTHM — MCL violation
high severityHealth-basedArchivedTTHM MCL violation (Archived).
EPA SDWIS · MCL · Began Jul 1, 2016 · 9 years ago · Source ↗
TTHM — MCL violation
high severityHealth-basedArchivedTTHM MCL violation (Archived).
EPA SDWIS · MCL · Began Apr 1, 2016 · 10 years ago · Source ↗
TTHM — MCL violation
high severityHealth-basedArchivedTTHM MCL violation (Archived).
EPA SDWIS · MCL · Began Jan 1, 2016 · 10 years ago · Source ↗
TTHM — MCL violation
high severityHealth-basedArchivedTTHM MCL violation (Archived).
EPA SDWIS · MCL · Began Oct 1, 2015 · 10 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) — MCL violation
high severityHealth-basedResolvedColiform (TCR) MCL violation (Resolved).
EPA SDWIS · MCL · Began Aug 1, 2014 · 11 years ago · Source ↗
Coliform (TCR) — MCL violation
high severityHealth-basedResolvedColiform (TCR) MCL violation (Resolved).
EPA SDWIS · MCL · Began Sep 1, 2013 · 12 years ago · Source ↗
TTHM — MCL violation
high severityHealth-basedArchivedTTHM MCL violation (Archived).
EPA SDWIS · MCL · Began Jul 1, 2013 · 12 years ago · Source ↗
Public Notice — Other violation
medium severityResolvedPublic Notice Other violation (Resolved).
EPA SDWIS · Other · Began Jun 12, 2010 · 16 years ago · Source ↗
Coliform (TCR) — Other violation
medium severityResolvedColiform (TCR) Other violation (Resolved).
EPA SDWIS · Other · Began Jun 1, 2010 · 16 years ago · Source ↗
Coliform (TCR) — MCL violation
high severityHealth-basedResolvedColiform (TCR) MCL violation (Resolved).
EPA SDWIS · MCL · Began Jun 1, 2010 · 16 years ago · Source ↗
Coliform (TCR) — MCL violation
high severityHealth-basedResolvedColiform (TCR) MCL violation (Resolved).
EPA SDWIS · MCL · Began Jun 1, 2010 · 16 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 ↗
Water-related lawsuits
No lawsuits on record.
In the news & sources
No coverage linked yet.