AQUARION-MYSTIC
Connecticut — Community Water System — PWSID: CT1370011
System Information
| PWSID | CT1370011 |
| System Name | AQUARION-MYSTIC |
| System Type | Community Water System |
| Water Source | Surface Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 01 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 8, 1979 |
| Last Reported | Mar 30, 2026 |
Location & Contact
| State | Connecticut |
| City | SHELTON |
| ZIP Code | 06484 |
| Address | 505 Huntington St. |
| Organization | ULRICH, ROBERT J. |
| Phone | 203-926-4320 |
Population & Service
| Population Served | 10,788 |
| Service Connections | 5,077 |
Drinking Water Violations (162)
This water system has 162 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, 2018 | — | Other | No | No | — | — | — | Resolved | Jul 6, 2018 | — | |
| Aug 10, 2018 | — | Other | No | No | — | — | — | Resolved | Jul 6, 2018 | — | |
| Jul 1, 2018 | — | Other | No | No | — | — | — | Resolved | Jul 11, 2018 | — | |
| Jul 1, 2018 | — | Other | No | No | — | — | — | Resolved | Jul 11, 2018 | — | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2018 | — | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | 0.6 mg/L | — | Resolved | Dec 31, 2018 | — | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2018 | — | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | 1 mg/L | — | Resolved | Dec 31, 2018 | — | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Dec 31, 2018 | — | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | 0.6 mg/L | — | Resolved | Dec 31, 2018 | — | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | 0.075 mg/L | — | Resolved | Dec 31, 2018 | — | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2018 | — | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2018 | — | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 2018 | — | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2018 | — | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2018 | — | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2018 | — | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | 1 mg/L | — | Resolved | Dec 31, 2018 | — | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2018 | — | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2018 | — | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2018 | — | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2018 | — | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | 1 mg/L | — | Resolved | Dec 31, 2018 | — | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2018 | — | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | 0.6 mg/L | — | Resolved | Dec 31, 2018 | — | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2018 | — | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | 0.075 mg/L | — | Resolved | Dec 31, 2018 | — | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2018 | — | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2018 | — | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2018 | — | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2018 | — | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2018 | — | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2018 | — | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2018 | — | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2018 | — | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 2018 | — | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 2018 | — | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2018 | — | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 2018 | — | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2018 | — | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | 0.075 mg/L | — | Resolved | Dec 31, 2018 | — | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Dec 31, 2018 | — | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | 0.6 mg/L | — | Resolved | Dec 31, 2018 | — | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | 0.075 mg/L | — | Resolved | Dec 31, 2018 | — | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2018 | — | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2018 | — | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 2018 | — | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2018 | — | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2018 | — | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2018 | — |
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.