Nantucket County, Massachusetts Water Systems
Nantucket County, Massachusetts
2 community water systems on record — 2 active, 0 inactive.
Every active community water system nationwide must produce a Consumer Confidence Report under the EPA's revised rule, effective for reports due July 1, 2027.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace Massachusetts’s official records. Always confirm current status with Massachusetts before making decisions based on this information.
Community water systems in Nantucket County, Massachusetts
- SIASCONSET WATER DEPARTMENTNANTUCKET · 3,000 servedActive
- WANNACOMET WATER COMPANYNANTUCKET · 27,703 servedActive
| System name | City | Population served | Status |
|---|---|---|---|
| SIASCONSET WATER DEPARTMENT | NANTUCKET | 3,000 | Active |
| WANNACOMET WATER COMPANY | NANTUCKET | 27,703 | Active |