MANCHESTER WATER DEPARTMENT
Connecticut — Community Water System — PWSID: CT0770021
System Information
| PWSID | CT0770021 |
| System Name | MANCHESTER WATER DEPARTMENT |
| System Type | Community Water System |
| Water Source | Surface Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 01 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 8, 1979 |
| Last Reported | Dec 15, 2025 |
Location & Contact
| State | Connecticut |
| City | MANCHESTER |
| ZIP Code | 06040 |
| Address | 125 Spring Street |
| Organization | MILES, SHANNON L. |
| Phone | 860-647-3131 |
Population & Service
| Population Served | 51,198 |
| Service Connections | 16,873 |
Drinking Water Violations (24)
This water system has 24 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Nov 1, 2024 | Nov 30, 2024 | CARBON, TOTAL | MR | No | Yes | — | TT | — | Resolved | Nov 30, 2024 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Nov 1, 2024 | Nov 30, 2024 | CARBON, TOTAL | MR | No | Yes | — | TT | — | Resolved | Nov 30, 2024 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Nov 1, 2024 | Nov 30, 2024 | CARBON, TOTAL | MR | No | Yes | — | TT | — | Resolved | Nov 30, 2024 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Nov 1, 2024 | Nov 30, 2024 | CARBON, TOTAL | MR | No | Yes | — | TT | — | Resolved | Nov 30, 2024 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Nov 1, 2024 | Nov 30, 2024 | CARBON, TOTAL | MR | No | Yes | — | TT | — | Resolved | Nov 30, 2024 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Nov 1, 2024 | Nov 30, 2024 | CARBON, TOTAL | MR | No | Yes | — | TT | — | Resolved | Nov 30, 2024 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Aug 10, 2023 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Aug 24, 2023 | Consumer Confidence Rule |
| Aug 10, 2023 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Aug 24, 2023 | Consumer Confidence Rule |
| Jul 1, 2018 | Sep 30, 2018 | Bromate | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Sep 30, 2018 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2018 | Sep 30, 2018 | Bromate | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Sep 30, 2018 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2014 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jul 29, 2014 | Consumer Confidence Rule |
| Jul 1, 2014 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jul 29, 2014 | Consumer Confidence Rule |
| Oct 1, 2010 | Dec 31, 2010 | Total Haloacetic Acids (HAA5) | MR | No | No | — | 0.060 mg/L | — | Resolved | Dec 31, 2010 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2010 | Dec 31, 2010 | Total Haloacetic Acids (HAA5) | MR | No | No | — | 0.060 mg/L | — | Resolved | Dec 31, 2010 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2010 | Dec 31, 2010 | TTHM | MR | No | No | — | 0.080 mg/L | — | Resolved | Dec 31, 2010 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2010 | Dec 31, 2010 | TTHM | MR | No | No | — | 0.080 mg/L | — | Resolved | Dec 31, 2010 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2010 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Dec 7, 2010 | Consumer Confidence Rule |
| Oct 1, 2010 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Dec 7, 2010 | Consumer Confidence Rule |
| Oct 1, 2009 | Oct 31, 2009 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2009 | Total Coliform Rule |
| Oct 1, 2009 | Oct 31, 2009 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2009 | Total Coliform Rule |
| Oct 1, 2009 | Oct 31, 2009 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2009 | Total Coliform Rule |
| Oct 1, 2009 | Oct 31, 2009 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2009 | Total Coliform Rule |
| Jul 1, 2009 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jul 15, 2009 | Consumer Confidence Rule |
| Jul 1, 2009 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jul 15, 2009 | Consumer Confidence Rule |
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.