Wellfleet, MA
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
Wellfleet Municipal Water System
- PWSID:
- MA4318094
- Source:
- Ground water
- Serves:
- 750 people
Wellfleet Apartments
- PWSID:
- MA4318107
- Source:
- Ground water
- Serves:
- 48 people
Harborside Village
- PWSID:
- MA4318040
- Source:
- Ground water
- Serves:
- 165 people
Massasoit Hills Trailer Park
- PWSID:
- MA4318056
- Source:
- Ground water
- Serves:
- 120 people
Pleasant Water
- PWSID:
- MA4318091
- Source:
- Ground water
- Serves:
- 200 people
EPA & DEP violations
City-wide
20 violationsRevised Total Coliform Rule — RPT violation
medium severityResolvedRevised Total Coliform Rule RPT violation (Resolved).
EPA SDWIS · RPT · Began Jan 11, 2026 · 6 months ago · Source ↗
Revised Total Coliform Rule — MON violation
medium severityArchivedRevised Total Coliform Rule MON violation (Archived).
EPA SDWIS · MON · Began Dec 1, 2025 · 8 months ago · Source ↗
Revised Total Coliform Rule — RPT violation
medium severityResolvedRevised Total Coliform Rule RPT violation (Resolved).
EPA SDWIS · RPT · Began Jan 11, 2025 · 1 year ago · Source ↗
Revised Total Coliform Rule — MON violation
medium severityArchivedRevised Total Coliform Rule MON violation (Archived).
EPA SDWIS · MON · Began Dec 1, 2024 · 1 year ago · Source ↗
Consumer Confidence Rule — Other violation
medium severityResolvedConsumer Confidence Rule Other violation (Resolved).
EPA SDWIS · Other · Began Jul 1, 2022 · 4 years ago · Source ↗
Consumer Confidence Rule — Other violation
medium severityResolvedConsumer Confidence Rule Other violation (Resolved).
EPA SDWIS · Other · Began Jul 1, 2022 · 4 years ago · Source ↗
Consumer Confidence Rule — Other violation
medium severityAddressedConsumer Confidence Rule Other violation (Addressed).
EPA SDWIS · Other · Began Jul 1, 2022 · 4 years ago · Source ↗
Revised Total Coliform Rule — RPT violation
medium severityResolvedRevised Total Coliform Rule RPT violation (Resolved).
EPA SDWIS · RPT · Began Sep 26, 2020 · 5 years ago · Source ↗
Public Notice — Other violation
medium severityResolvedPublic Notice Other violation (Resolved).
EPA SDWIS · Other · Began Sep 26, 2020 · 5 years ago · Source ↗
Revised Total Coliform Rule — MCL violation
high severityHealth-basedResolvedRevised Total Coliform Rule MCL violation (Resolved).
EPA SDWIS · MCL · Began Sep 1, 2020 · 5 years ago · Source ↗
Lead and Copper Rule — MR violation
medium severityResolvedLead and Copper Rule MR violation (Resolved).
EPA SDWIS · MR · Began Jul 1, 2017 · 9 years ago · Source ↗
CHLOROBENZENE — MR violation
medium severityArchivedCHLOROBENZENE MR violation (Archived).
EPA SDWIS · MR · Began Oct 1, 2015 · 10 years ago · Source ↗
o-Dichlorobenzene — MR violation
medium severityArchivedo-Dichlorobenzene MR violation (Archived).
EPA SDWIS · MR · Began Oct 1, 2015 · 10 years ago · Source ↗
1,2-Dichloropropane — MR violation
medium severityArchived1,2-Dichloropropane MR violation (Archived).
EPA SDWIS · MR · Began Oct 1, 2015 · 10 years ago · Source ↗
Ethylbenzene — MR violation
medium severityArchivedEthylbenzene MR violation (Archived).
EPA SDWIS · MR · Began Oct 1, 2015 · 10 years ago · Source ↗
Tetrachloroethylene — MR violation
medium severityArchivedTetrachloroethylene MR violation (Archived).
EPA SDWIS · MR · Began Oct 1, 2015 · 10 years ago · Source ↗
Toluene — MR violation
medium severityArchivedToluene MR violation (Archived).
EPA SDWIS · MR · Began Oct 1, 2015 · 10 years ago · Source ↗
p-Dichlorobenzene — MR violation
medium severityArchivedp-Dichlorobenzene MR violation (Archived).
EPA SDWIS · MR · Began Oct 1, 2015 · 10 years ago · Source ↗
1,1,2-Trichloroethane — MR violation
medium severityArchived1,1,2-Trichloroethane MR violation (Archived).
EPA SDWIS · MR · Began Oct 1, 2015 · 10 years ago · Source ↗
Carbon tetrachloride — MR violation
medium severityArchivedCarbon tetrachloride MR violation (Archived).
EPA SDWIS · MR · Began Oct 1, 2015 · 10 years ago · Source ↗
Water-related lawsuits
No lawsuits on record.
In the news & sources
No coverage linked yet.