BLOCK ISLAND WATER COMPANY
Rhode Island — Community Water System — PWSID: RI1858430
System Information
| PWSID | RI1858430 |
| System Name | BLOCK ISLAND WATER COMPANY |
| 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 | Mar 8, 1979 |
| Last Reported | Feb 9, 2026 |
Location & Contact
| State | Rhode Island |
| City | BLOCK ISLAND |
| ZIP Code | 02807 |
| Address | PO BOX 998 |
| Organization | BREUNIG, JOHN |
| Phone | 401-466-3232 |
Population & Service
| Population Served | 9,999 |
| Service Connections | 338 |
Drinking Water Violations (378)
This water system has 378 violations 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 1, 2023 | Sep 30, 2023 | MR | No | No | — | 0.004 mg/L | — | Resolved | Sep 30, 2023 | — | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | No | — | 0.001 mg/L | — | Resolved | Sep 30, 2023 | — | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | No | — | 0.001 mg/L | — | Resolved | Sep 30, 2023 | — | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | No | — | 0.0002 mg/L | — | Resolved | Sep 30, 2023 | — | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | No | — | 0.0004 mg/L | — | Resolved | Sep 30, 2023 | — | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | No | — | 0.006 mg/L | — | Resolved | Sep 30, 2023 | — | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | No | — | 0.04 mg/L | — | Resolved | Sep 30, 2023 | — | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | No | — | 0.0002 mg/L | — | Resolved | Sep 30, 2023 | — | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | No | — | 0.0002 mg/L | — | Resolved | Sep 30, 2023 | — | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | No | — | 0.004 mg/L | — | Resolved | Sep 30, 2023 | — | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | No | — | 0.04 mg/L | — | Resolved | Sep 30, 2023 | — | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | No | — | — | — | Resolved | Sep 30, 2023 | — | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | No | — | 0.006 mg/L | — | Resolved | Sep 30, 2023 | — | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | No | — | 0.0002 mg/L | — | Resolved | Sep 30, 2023 | — | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | No | — | 0.006 mg/L | — | Resolved | Sep 30, 2023 | — | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | No | — | 0.05 mg/L | — | Resolved | Sep 30, 2023 | — | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | No | — | 0.05 mg/L | — | Resolved | Sep 30, 2023 | — | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | No | — | 0.006 mg/L | — | Resolved | Sep 30, 2023 | — | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | No | — | 0.004 mg/L | — | Resolved | Sep 30, 2023 | — | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | No | — | 0.0002 mg/L | — | Resolved | Sep 30, 2023 | — | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | No | — | 0.0004 mg/L | — | Resolved | Sep 30, 2023 | — | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | No | — | 0.0002 mg/L | — | Resolved | Sep 30, 2023 | — | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | No | — | — | — | Resolved | Sep 30, 2023 | — | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | No | — | 0.0004 mg/L | — | Resolved | Sep 30, 2023 | — | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | No | — | 0.0002 mg/L | — | Resolved | Sep 30, 2023 | — | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | No | — | — | — | Resolved | Sep 30, 2023 | — | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | No | — | 0.0002 mg/L | — | Resolved | Sep 30, 2023 | — | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | No | — | 0.001 mg/L | — | Resolved | Sep 30, 2023 | — | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | No | — | — | — | Resolved | Sep 30, 2023 | — | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | No | — | 0.04 mg/L | — | Resolved | Sep 30, 2023 | — | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | No | — | 0.0004 mg/L | — | Resolved | Sep 30, 2023 | — | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | No | — | 0.04 mg/L | — | Resolved | Sep 30, 2023 | — | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | No | — | 0.05 mg/L | — | Resolved | Sep 30, 2023 | — | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | No | — | 0.0002 mg/L | — | Resolved | Sep 30, 2023 | — | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | No | — | 0.004 mg/L | — | Resolved | Sep 30, 2023 | — | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | No | — | 0.001 mg/L | — | Resolved | Sep 30, 2023 | — | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | No | — | 0.006 mg/L | — | Resolved | Sep 30, 2023 | — | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | No | — | 0.0002 mg/L | — | Resolved | Sep 30, 2023 | — | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | No | — | 0.0002 mg/L | — | Resolved | Sep 30, 2023 | — | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | No | — | 0.0002 mg/L | — | Resolved | Sep 30, 2023 | — | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | No | — | 0.0002 mg/L | — | Resolved | Sep 30, 2023 | — | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | No | — | 0.04 mg/L | — | Resolved | Sep 30, 2023 | — | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | No | — | 0.004 mg/L | — | Resolved | Sep 30, 2023 | — | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | No | — | 0.05 mg/L | — | Resolved | Sep 30, 2023 | — | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | No | — | 0.05 mg/L | — | Resolved | Sep 30, 2023 | — | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | No | — | 0.0002 mg/L | — | Resolved | Sep 30, 2023 | — | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | No | — | 0.001 mg/L | — | Resolved | Sep 30, 2023 | — | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | No | — | 0.0002 mg/L | — | Resolved | Sep 30, 2023 | — | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | No | — | — | — | Resolved | Sep 30, 2023 | — | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | No | — | 0.0004 mg/L | — | Resolved | Sep 30, 2023 | — |
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.