WATERTOWN WATER & SEWER AUTHORITY
Connecticut - Community Water System - PWSID: CT1530021
System Information
| PWSID | CT1530021 |
| System Name | WATERTOWN WATER & SEWER AUTHORITY |
| System Type | Community Water System |
| Water Source | Surface Water Purchased |
| 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 | OAKVILLE |
| ZIP Code | 06779 |
| Address | 747 French Street |
| Organization | LUKOWSKI, GERALD |
| Phone | 860-945-5299 |
Population & Service
| Population Served | 9,972 |
| Service Connections | 3,735 |
Drinking Water Violations (144)
This water system has 144 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 | Aug 27, 2025 | - | |
| Dec 30, 2024 | - | MR | No | No | - | TT | - | Resolved | Jan 29, 2025 | - | |
| Dec 30, 2024 | - | MR | No | No | - | TT | - | Resolved | Jan 29, 2025 | - | |
| Jul 1, 2024 | - | Other | No | No | - | - | - | Resolved | Jul 10, 2024 | - | |
| Jul 1, 2024 | - | Other | No | No | - | - | - | Resolved | Jul 10, 2024 | - | |
| Aug 10, 2023 | - | Other | No | No | - | - | - | Resolved | Jul 13, 2023 | - | |
| Aug 10, 2023 | - | Other | No | No | - | - | - | Resolved | Jul 13, 2023 | - | |
| Jul 1, 2023 | - | Other | No | No | - | - | - | Resolved | Jun 30, 2023 | - | |
| Jul 1, 2023 | - | Other | No | No | - | - | - | Resolved | Jun 30, 2023 | - | |
| Dec 30, 2018 | - | MR | No | No | - | TT | - | Resolved | Jan 18, 2019 | - | |
| Mar 1, 2016 | Mar 31, 2016 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2016 | - | |
| Mar 1, 2016 | Mar 31, 2016 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2016 | - | |
| Mar 1, 2016 | Mar 31, 2016 | MR | No | Yes | - | - | - | Resolved | Mar 31, 2016 | - | |
| Mar 1, 2016 | Mar 31, 2016 | MR | No | Yes | - | - | - | Resolved | Mar 31, 2016 | - | |
| Jan 1, 2016 | Mar 31, 2016 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2016 | - | |
| Jan 1, 2016 | Mar 31, 2016 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2016 | - | |
| Oct 1, 2014 | - | MR | No | No | - | TT | - | Resolved | Sep 30, 2015 | - | |
| Oct 1, 2014 | - | MR | No | No | - | TT | - | Resolved | Sep 30, 2015 | - | |
| Oct 1, 2014 | - | MR | No | No | - | TT | - | Resolved | Sep 30, 2015 | - | |
| Oct 1, 2014 | - | MR | No | No | - | TT | - | Resolved | Sep 30, 2015 | - | |
| Jul 1, 2013 | - | Other | No | No | - | - | - | Resolved | Aug 2, 2013 | - | |
| Jul 1, 2013 | - | Other | No | No | - | - | - | Resolved | Aug 2, 2013 | - | |
| Jun 1, 2013 | Jun 30, 2013 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2013 | - | |
| Jun 1, 2013 | Jun 30, 2013 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2013 | - | |
| Jul 1, 2009 | - | Other | No | No | - | - | - | Resolved | Jul 10, 2009 | - | |
| Jul 1, 2009 | - | Other | No | No | - | - | - | Resolved | Jul 10, 2009 | - | |
| Apr 1, 2009 | Jun 30, 2009 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Jun 30, 2009 | - | |
| Apr 1, 2009 | Jun 30, 2009 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Jun 30, 2009 | - | |
| Apr 1, 2009 | Jun 30, 2009 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Jun 30, 2009 | - | |
| Apr 1, 2009 | Jun 30, 2009 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Jun 30, 2009 | - | |
| Dec 1, 2008 | Dec 31, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2008 | - | |
| Dec 1, 2008 | Dec 31, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2008 | - | |
| Oct 1, 2008 | Dec 31, 2008 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2008 | - | |
| Oct 1, 2008 | Dec 31, 2008 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2008 | - | |
| Oct 1, 2008 | Dec 31, 2008 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2008 | - | |
| Oct 1, 2008 | Dec 31, 2008 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2008 | - | |
| Oct 1, 2008 | Dec 31, 2008 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2008 | - | |
| Oct 1, 2008 | Dec 31, 2008 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2008 | - | |
| Aug 10, 2008 | - | Other | No | No | - | - | - | Resolved | Dec 4, 2008 | - | |
| Aug 10, 2008 | - | Other | No | No | - | - | - | Resolved | Dec 4, 2008 | - | |
| Jul 1, 2008 | - | Other | No | No | - | - | - | Resolved | Dec 4, 2008 | - | |
| Jul 1, 2008 | - | Other | No | No | - | - | - | Resolved | Dec 4, 2008 | - | |
| Nov 1, 2007 | Nov 30, 2007 | MR | No | Yes | - | - | - | Resolved | Nov 30, 2007 | - | |
| Nov 1, 2007 | Nov 30, 2007 | MR | No | Yes | - | - | - | Resolved | Nov 30, 2007 | - | |
| Nov 1, 2007 | Nov 30, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2007 | - | |
| Nov 1, 2007 | Nov 30, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2007 | - | |
| Oct 1, 2007 | Dec 31, 2007 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Oct 1, 2007 | Dec 31, 2007 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Oct 1, 2006 | Dec 31, 2006 | MCL | Yes | No | .082 MG/L | 0.080 mg/L | .08 | Resolved | Dec 31, 2006 | - | |
| Oct 1, 2006 | Dec 31, 2006 | MCL | Yes | No | .082 MG/L | 0.080 mg/L | .08 | Resolved | Dec 31, 2006 | - |
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.