Portsmouth, RI
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
Prudence Island Water District
- PWSID:
- RI1592023
- Source:
- Ground water
- Serves:
- 1,500 people
Portsmouth Water & Fire District
- PWSID:
- RI1592022
- Source:
- Surface water
- Serves:
- 17,090 people
EPA & DEP violations
Consumer Confidence Rule — Other violation
medium severityResolvedConsumer Confidence Rule Other violation (Resolved).
EPA SDWIS · Other · Began Jul 1, 2025 · 11 months ago · Source ↗
Revised Total Coliform Rule — MON violation
medium severityArchivedRevised Total Coliform Rule MON violation (Archived).
EPA SDWIS · MON · Began Jun 1, 2025 · 1 year ago · Source ↗
Endrin — MR violation
medium severityResolvedEndrin MR violation (Resolved).
EPA SDWIS · MR · Began Jan 1, 2024 · 2 years ago · Source ↗
BHC-GAMMA — MR violation
medium severityResolvedBHC-GAMMA MR violation (Resolved).
EPA SDWIS · MR · Began Jan 1, 2024 · 2 years ago · Source ↗
Methoxychlor — MR violation
medium severityResolvedMethoxychlor MR violation (Resolved).
EPA SDWIS · MR · Began Jan 1, 2024 · 2 years ago · Source ↗
Toxaphene — MR violation
medium severityResolvedToxaphene MR violation (Resolved).
EPA SDWIS · MR · Began Jan 1, 2024 · 2 years ago · Source ↗
OXAMYL — MR violation
medium severityResolvedOXAMYL MR violation (Resolved).
EPA SDWIS · MR · Began Jan 1, 2024 · 2 years ago · Source ↗
Simazine — MR violation
medium severityResolvedSimazine MR violation (Resolved).
EPA SDWIS · MR · Began Jan 1, 2024 · 2 years ago · Source ↗
Di(2-ethylhexyl) phthalate — MR violation
medium severityResolvedDi(2-ethylhexyl) phthalate MR violation (Resolved).
EPA SDWIS · MR · Began Jan 1, 2024 · 2 years ago · Source ↗
Dinoseb — MR violation
medium severityResolvedDinoseb MR violation (Resolved).
EPA SDWIS · MR · Began Jan 1, 2024 · 2 years ago · Source ↗
Hexachlorocyclopentadiene — MR violation
medium severityResolvedHexachlorocyclopentadiene MR violation (Resolved).
EPA SDWIS · MR · Began Jan 1, 2024 · 2 years ago · Source ↗
Aldicarb sulfoxide — MR violation
medium severityResolvedAldicarb sulfoxide MR violation (Resolved).
EPA SDWIS · MR · Began Jan 1, 2024 · 2 years ago · Source ↗
Aldicarb sulfone — MR violation
medium severityResolvedAldicarb sulfone MR violation (Resolved).
EPA SDWIS · MR · Began Jan 1, 2024 · 2 years ago · Source ↗
Carbofuran — MR violation
medium severityResolvedCarbofuran MR violation (Resolved).
EPA SDWIS · MR · Began Jan 1, 2024 · 2 years ago · Source ↗
Aldicarb — MR violation
medium severityResolvedAldicarb MR violation (Resolved).
EPA SDWIS · MR · Began Jan 1, 2024 · 2 years ago · Source ↗
Atrazine — MR violation
medium severityResolvedAtrazine MR violation (Resolved).
EPA SDWIS · MR · Began Jan 1, 2024 · 2 years ago · Source ↗
ETHYLENE DIBROMIDE — MR violation
medium severityResolvedETHYLENE DIBROMIDE MR violation (Resolved).
EPA SDWIS · MR · Began Jan 1, 2024 · 2 years ago · Source ↗
Chlordane — MR violation
medium severityResolvedChlordane MR violation (Resolved).
EPA SDWIS · MR · Began Jan 1, 2024 · 2 years ago · Source ↗
Trichloroethylene — MR violation
medium severityResolvedTrichloroethylene MR violation (Resolved).
EPA SDWIS · MR · Began Jan 1, 2024 · 2 years ago · Source ↗
Tetrachloroethylene — MR violation
medium severityResolvedTetrachloroethylene MR violation (Resolved).
EPA SDWIS · MR · Began Jan 1, 2024 · 2 years ago · Source ↗
Water-related lawsuits
No lawsuits on record.
In the news & sources
No coverage linked yet.