OCEAN STATE POWER LLC
Rhode Island — Non-Transient Non-Community — PWSID: RI1900040
System Information
| PWSID | RI1900040 |
| System Name | OCEAN STATE POWER LLC |
| System Type | Non-Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 01 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 29, 1991 |
| Last Reported | Feb 9, 2026 |
Location & Contact
| State | Rhode Island |
| City | HARRISVILLE |
| ZIP Code | 02830 |
| Address | 1575 Sherman Farm Rd |
| Organization | LARSON, NATHANIEL |
| Phone | 401-568-9550 |
Population & Service
| Population Served | 28 |
| Service Connections | 5 |
Drinking Water Violations (18)
This water system has 18 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Dec 30, 2019 | — | MR | No | No | — | TT | — | Resolved | Mar 26, 2020 | — | |
| Dec 30, 2019 | — | MR | No | No | — | TT | — | Resolved | Mar 26, 2020 | — | |
| Dec 30, 2019 | — | MR | No | No | — | TT | — | Resolved | Mar 26, 2020 | — | |
| Oct 1, 2018 | — | MR | No | No | — | TT | — | Resolved | Sep 30, 2019 | — | |
| Oct 1, 2018 | — | MR | No | No | — | TT | — | Resolved | Sep 30, 2019 | — | |
| Oct 1, 2018 | — | MR | No | No | — | TT | — | Resolved | Sep 30, 2019 | — | |
| Oct 1, 2018 | — | MR | No | No | — | TT | — | Resolved | Sep 30, 2019 | — | |
| Oct 1, 2018 | — | MR | No | No | — | TT | — | Resolved | Sep 30, 2019 | — | |
| Jul 1, 2007 | Sep 30, 2007 | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 2007 | — | |
| Jul 1, 2007 | Sep 30, 2007 | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 2007 | — | |
| Jul 1, 2007 | Sep 30, 2007 | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 2007 | — | |
| Jul 1, 2007 | Sep 30, 2007 | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 2007 | — | |
| Jul 1, 2007 | Sep 30, 2007 | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 2007 | — | |
| Sep 1, 2004 | — | MR | No | No | — | TT | — | Resolved | Sep 21, 2004 | — | |
| Sep 1, 2004 | — | MR | No | No | — | TT | — | Resolved | Sep 21, 2004 | — | |
| Sep 1, 2004 | — | MR | No | No | — | TT | — | Resolved | Sep 21, 2004 | — | |
| Sep 1, 2004 | — | MR | No | No | — | TT | — | Resolved | Sep 21, 2004 | — | |
| Sep 1, 2004 | — | MR | No | No | — | TT | — | Resolved | Sep 21, 2004 | — |
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.