CORNWALL WATER COMPANY
Connecticut - Community Water System - PWSID: CT0311011
System Information
| PWSID | CT0311011 |
| System Name | CORNWALL WATER COMPANY |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Non-Inventory |
| Owner Type | Private |
| EPA Region | 01 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Apr 3, 1979 |
| Last Reported | Mar 30, 2026 |
Location & Contact
| State | Connecticut |
| City | CORNWALL BRIDGE |
| ZIP Code | 06754-0075 |
| Address | River Road South |
| Organization | STONE, RICHARD |
| Phone | 860-480-4284 |
Population & Service
| Population Served | 48 |
| Service Connections | 11 |
Drinking Water Violations (659)
This water system has 659 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Aug 10, 2025 | - | Other | No | No | - | - | - | Resolved | Jun 9, 2025 | - | |
| Jul 1, 2025 | - | MR | No | No | - | TT | - | Archived | Jun 9, 2025 | - | |
| Jul 1, 2025 | - | MR | No | No | - | TT | - | Archived | Jun 9, 2025 | - | |
| Jul 1, 2025 | - | MR | No | No | - | TT | - | Archived | Jun 9, 2025 | - | |
| Jul 1, 2025 | - | Other | No | No | - | - | - | Resolved | Jun 9, 2025 | - | |
| Jan 1, 2025 | - | MR | No | No | - | TT | - | Archived | Jun 9, 2025 | - | |
| Jan 1, 2025 | - | MR | No | No | - | TT | - | Archived | Jun 9, 2025 | - | |
| Jan 1, 2025 | - | MR | No | No | - | TT | - | Archived | Jun 9, 2025 | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Archived | Jun 9, 2025 | - | |
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Archived | Jun 9, 2025 | - | |
| Sep 29, 2024 | - | MR | No | No | - | TT | - | Archived | Jun 9, 2025 | - | |
| Aug 10, 2024 | - | Other | No | No | - | - | - | Resolved | Jun 9, 2025 | - | |
| Aug 10, 2024 | - | Other | No | No | - | - | - | Resolved | Jun 9, 2025 | - | |
| Jul 1, 2024 | - | Other | No | No | - | - | - | Resolved | Jun 9, 2025 | - | |
| Jul 1, 2024 | - | Other | No | No | - | - | - | Resolved | Jun 9, 2025 | - | |
| May 16, 2024 | - | Other | No | No | - | - | - | Resolved | Jun 26, 2024 | - | |
| May 16, 2024 | - | Other | No | No | - | - | - | Resolved | Jun 26, 2024 | - | |
| May 16, 2024 | - | Other | No | No | - | - | - | Resolved | Jun 26, 2024 | - | |
| May 16, 2024 | - | Other | No | No | - | - | - | Resolved | Jun 26, 2024 | - | |
| Apr 14, 2024 | - | Other | No | No | - | - | - | Resolved | Jun 26, 2024 | - | |
| Mar 31, 2024 | - | MR | No | No | - | TT | - | Archived | Jun 9, 2025 | - | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | 1 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | 1 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | 1 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | 1 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Dec 2, 2023 | - | Other | No | No | - | - | - | Resolved | Jun 26, 2024 | - | |
| Dec 2, 2023 | - | Other | No | No | - | - | - | Resolved | Jun 26, 2024 | - | |
| Dec 2, 2023 | - | Other | No | No | - | - | - | Resolved | Jun 26, 2024 | - | |
| Dec 2, 2023 | - | Other | No | No | - | - | - | Resolved | Jun 26, 2024 | - | |
| Jul 1, 2023 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2023 | - | |
| Jul 1, 2023 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2023 | - | |
| Jul 1, 2023 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2023 | - | |
| Jul 1, 2023 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2023 | - | |
| Apr 8, 2023 | - | Other | No | No | - | - | - | Resolved | Jun 26, 2024 | - | |
| Apr 8, 2023 | - | Other | No | No | - | - | - | Resolved | Jun 26, 2024 | - | |
| Jan 20, 2023 | - | Other | No | No | - | - | - | Resolved | Jun 26, 2024 | - | |
| Jan 20, 2023 | - | Other | No | No | - | - | - | Resolved | Jun 26, 2024 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.6 mg/L | - | Archived | Jun 9, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.005 mg/L | - | Archived | Jun 9, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.005 mg/L | - | Archived | Jun 9, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.075 mg/L | - | Archived | Jun 9, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 1 mg/L | - | Archived | Jun 9, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.005 mg/L | - | Archived | Jun 9, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.005 mg/L | - | Archived | Jun 9, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.2 mg/L | - | Archived | Jun 9, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.005 mg/L | - | Archived | Jun 9, 2025 | - |
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.