SIASCONSET WATER DEPARTMENT
Massachusetts — Community Water System — PWSID: MA4197001
System Information
| PWSID | MA4197001 |
| System Name | SIASCONSET WATER DEPARTMENT |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 01 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 26, 1979 |
| Last Reported | Dec 17, 2025 |
Location & Contact
| State | Massachusetts |
| City | NANTUCKET |
| ZIP Code | 02554 |
| Address | C/O WANNACOMET WATER COMPANY |
| Organization | SIASCONSET WATER DEPARTMENT |
| Phone | 5082280022 |
Population & Service
| Population Served | 3,000 |
| Service Connections | 852 |
Drinking Water Violations (1)
This water system has 1 violation recorded in the EPA SDWIS database.
| Begin Date | End Date | Contaminant | Category | Health-Based | Major | Measured | Federal MCL | State MCL | Status | Return to Compliance | Rule |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Apr 1, 2024 | Jun 30, 2024 | Endrin | MR | No | No | — | 0.002 mg/L | — | Archived | Jun 30, 2024 | Synthetic Organic Chemicals |
About This Water System
Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.