ZZ*IN*TWIN MAPLES, INC.
Rhode Island — Transient Non-Community — PWSID: RI2389724
System Information
| PWSID | RI2389724 |
| System Name | ZZ*IN*TWIN MAPLES, INC. |
| System Type | Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Non-Inventory |
| Owner Type | Private |
| 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 | P.O. BOX 22 |
| Organization | SWIENTON, JOHN M. |
| Phone | 401-466-5547 |
Population & Service
| Population Served | 35 |
| Service Connections | 7 |
Drinking Water Violations (10)
This water system has 10 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 11, 2019 | — | RPT | No | No | — | — | — | Resolved | Oct 18, 2019 | — | |
| Oct 11, 2019 | — | RPT | No | No | — | — | — | Resolved | Oct 18, 2019 | — | |
| Oct 11, 2019 | — | RPT | No | No | — | — | — | Resolved | Oct 18, 2019 | — | |
| Oct 11, 2019 | — | RPT | No | No | — | — | — | Resolved | Oct 18, 2019 | — | |
| Oct 11, 2019 | — | RPT | No | No | — | — | — | Resolved | Oct 18, 2019 | — | |
| Jul 1, 2012 | Sep 30, 2012 | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 25, 2012 | — | |
| Jul 1, 2012 | Sep 30, 2012 | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 25, 2012 | — | |
| Jul 1, 2012 | Sep 30, 2012 | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 25, 2012 | — | |
| Jul 1, 2012 | Sep 30, 2012 | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 25, 2012 | — | |
| Jul 1, 2012 | Sep 30, 2012 | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 25, 2012 | — |
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.