DANBURY WATER DEPARTMENT
Connecticut — Community Water System — PWSID: CT0340011
System Information
| PWSID | CT0340011 |
| System Name | DANBURY 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 | Mar 30, 2026 |
Location & Contact
| State | Connecticut |
| City | DANBURY |
| ZIP Code | 06810 |
| Address | 155 DEER HILL AVENUE |
| Organization | DAY, DAVID M. |
| Phone | 203-797-4539 |
Population & Service
| Population Served | 62,055 |
| Service Connections | 11,688 |
Drinking Water Violations (326)
This water system has 326 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 1, 2021 | Dec 31, 2021 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Dec 31, 2021 | — | |
| Jul 1, 2021 | Jul 31, 2021 | TT | Yes | No | — | — | — | Resolved | Jul 31, 2021 | — | |
| Jul 1, 2021 | Jul 31, 2021 | TT | Yes | No | — | — | — | Resolved | Jul 31, 2021 | — | |
| Jul 1, 2021 | Jul 31, 2021 | TT | Yes | No | — | — | — | Resolved | Jul 31, 2021 | — | |
| Jul 1, 2021 | Jul 31, 2021 | TT | Yes | No | — | — | — | Resolved | Jul 31, 2021 | — | |
| Dec 30, 2020 | — | MR | No | No | — | TT | — | Resolved | Jan 8, 2021 | — | |
| Jul 1, 2019 | Sep 30, 2019 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Sep 30, 2019 | — | |
| Jul 1, 2019 | Sep 30, 2019 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Sep 30, 2019 | — | |
| Jul 1, 2019 | Sep 30, 2019 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Sep 30, 2019 | — | |
| Jul 1, 2019 | Sep 30, 2019 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Sep 30, 2019 | — | |
| Oct 1, 2017 | Dec 31, 2017 | MR | No | Yes | — | TT | — | Resolved | Dec 13, 2017 | — | |
| Oct 1, 2017 | Dec 31, 2017 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Dec 31, 2017 | — | |
| Oct 1, 2017 | Dec 31, 2017 | MR | No | Yes | — | TT | — | Resolved | Dec 13, 2017 | — | |
| Oct 1, 2017 | Dec 31, 2017 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Dec 31, 2017 | — | |
| Apr 1, 2017 | Jun 30, 2017 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Jun 30, 2017 | — | |
| Apr 1, 2017 | Jun 30, 2017 | MR | No | Yes | — | TT | — | Resolved | Jun 30, 2017 | — | |
| Apr 1, 2017 | Jun 30, 2017 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Jun 30, 2017 | — | |
| Apr 1, 2017 | Jun 30, 2017 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Jun 30, 2017 | — | |
| Apr 1, 2017 | Jun 30, 2017 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Jun 30, 2017 | — | |
| Apr 1, 2017 | Jun 30, 2017 | MR | No | Yes | — | TT | — | Resolved | Jun 30, 2017 | — | |
| Jul 1, 2016 | — | Other | No | No | — | — | — | Resolved | Jul 1, 2016 | — | |
| Apr 1, 2015 | Jun 30, 2015 | MR | No | Yes | — | TT | — | Resolved | Jun 30, 2015 | — | |
| Apr 1, 2015 | Jun 30, 2015 | MR | No | Yes | — | TT | — | Resolved | Jun 30, 2015 | — | |
| Jan 1, 2014 | — | MR | No | No | — | TT | — | Resolved | Sep 30, 2014 | — | |
| Jan 1, 2014 | — | MR | No | No | — | TT | — | Resolved | Sep 30, 2014 | — | |
| Jan 1, 2014 | — | MR | No | No | — | TT | — | Resolved | Sep 30, 2014 | — | |
| Jan 1, 2014 | — | MR | No | No | — | TT | — | Resolved | Sep 30, 2014 | — | |
| Jul 1, 2013 | Sep 30, 2013 | MR | No | Yes | — | 0.060 mg/L | — | Archived | Sep 30, 2013 | — | |
| Jul 1, 2013 | Sep 30, 2013 | MR | No | Yes | — | 0.080 mg/L | — | Archived | Sep 30, 2013 | — | |
| Jan 1, 2012 | Dec 31, 2012 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2012 | — | |
| Jan 1, 2012 | Dec 31, 2012 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2012 | — | |
| Jan 1, 2012 | Dec 31, 2012 | MR | No | Yes | — | 1 mg/L | — | Resolved | Dec 31, 2012 | — | |
| Jan 1, 2012 | Dec 31, 2012 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2012 | — | |
| Jan 1, 2012 | Dec 31, 2012 | MR | No | Yes | — | 1 mg/L | — | Resolved | Dec 31, 2012 | — | |
| Jan 1, 2012 | Dec 31, 2012 | MR | No | Yes | — | 1 mg/L | — | Resolved | Dec 31, 2012 | — | |
| Jan 1, 2012 | Dec 31, 2012 | MR | No | Yes | — | 1 mg/L | — | Resolved | Dec 31, 2012 | — | |
| Jan 1, 2012 | Dec 31, 2012 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2012 | — | |
| Jan 1, 2009 | Dec 31, 2009 | MR | No | Yes | — | 0.7 mg/L | — | Resolved | Dec 31, 2009 | — | |
| Jan 1, 2009 | Dec 31, 2009 | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Dec 31, 2009 | — | |
| Jan 1, 2009 | Dec 31, 2009 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2009 | — | |
| Jan 1, 2009 | Dec 31, 2009 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2009 | — | |
| Jan 1, 2009 | Dec 31, 2009 | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Dec 31, 2009 | — | |
| Jan 1, 2009 | Dec 31, 2009 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2009 | — | |
| Jan 1, 2009 | Dec 31, 2009 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2009 | — | |
| Jan 1, 2009 | Dec 31, 2009 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2009 | — | |
| Jan 1, 2009 | Dec 31, 2009 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2009 | — | |
| Jan 1, 2009 | Dec 31, 2009 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2009 | — | |
| Jan 1, 2009 | Dec 31, 2009 | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Dec 31, 2009 | — | |
| Jan 1, 2009 | Dec 31, 2009 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2009 | — | |
| Jan 1, 2009 | Dec 31, 2009 | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Dec 31, 2009 | — |
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.