SIASCONSET WATER DEPARTMENT

PWSID: MA4197001 · NANTUCKET, MA · Serving 3,000 people

Type: CWSOwner: LSource: GW

Compliant

All PFAS compounds below EPA Maximum Contaminant Levels.

EPA MCL: 4 ppt (parts per trillion) for PFOA and PFOS individually. Compliance deadline: 2031-12-31

Exact contamination levels

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PFAS compounds detected

N/A ppt

Highest single detection

Highest detection

Pro feature

N/A

Latest sample date

pending

Data completeness

Violation history(7 violations, 7 open)

Monitoring & Reporting - PFOA(PFOA)

2024-04-01 · Open · Tier 3

Monitoring & Reporting - PFOS(PFOS)

2024-04-01 · Open · Tier 3

Monitoring & Reporting - HFPO-DA (GenX)(HFPO-DA (GenX))

2024-04-01 · Open · Tier 3

Monitoring & Reporting - PFHxS(PFHxS)

2024-04-01 · Open · Tier 3

Monitoring & Reporting - PFNA(PFNA)

2024-04-01 · Open · Tier 3

Monitoring & Reporting - PFBS(PFBS)

2024-04-01 · Open · Tier 3

Monitoring & Reporting - PFHxA(PFHxA)

2024-04-01 · Open · Tier 3

Violation details

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