MONTVILLE WATER SUPPLY
Connecticut - Community Water System - PWSID: CT0864011
System Information
| PWSID | CT0864011 |
| System Name | MONTVILLE WATER SUPPLY |
| 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 | Jan 27, 1992 |
| Last Reported | Mar 30, 2026 |
Location & Contact
| State | Connecticut |
| City | UNCASVILLE |
| ZIP Code | 06382 |
| Address | 83 Pink Row |
| Organization | MCDANIEL, RONALD K. |
| Phone | 860-848-6711 |
Population & Service
| Population Served | 1,300 |
| Service Connections | 468 |
Drinking Water Violations (87)
This water system has 87 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, 2017 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2019 | - | |
| Oct 1, 2017 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2019 | - | |
| Oct 1, 2017 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2019 | - | |
| Oct 1, 2017 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2019 | - | |
| Jan 1, 2016 | Mar 31, 2016 | MCL | Yes | No | .081 MG/L | 0.080 mg/L | .08 | Resolved | Mar 31, 2016 | - | |
| Jan 1, 2016 | Mar 31, 2016 | MCL | Yes | No | .081 MG/L | 0.080 mg/L | .08 | Resolved | Mar 31, 2016 | - | |
| Jan 1, 2016 | Mar 31, 2016 | MCL | Yes | No | .081 MG/L | 0.080 mg/L | .08 | Resolved | Mar 31, 2016 | - | |
| Jan 1, 2016 | Mar 31, 2016 | MCL | Yes | No | .081 MG/L | 0.080 mg/L | .08 | Resolved | Mar 31, 2016 | - | |
| Jan 1, 2016 | Mar 31, 2016 | MCL | Yes | No | .081 MG/L | 0.080 mg/L | .08 | Resolved | Mar 31, 2016 | - | |
| Oct 30, 2015 | - | Other | No | No | - | - | - | Resolved | Nov 13, 2015 | - | |
| Jul 1, 2015 | Sep 30, 2015 | MCL | Yes | No | .082 MG/L | 0.080 mg/L | .08 | Resolved | Sep 30, 2015 | - | |
| Jul 1, 2015 | Sep 30, 2015 | MCL | Yes | No | .082 MG/L | 0.080 mg/L | .08 | Resolved | Sep 30, 2015 | - | |
| Jul 1, 2015 | Sep 30, 2015 | MCL | Yes | No | .082 MG/L | 0.080 mg/L | .08 | Resolved | Sep 30, 2015 | - | |
| Jul 1, 2015 | Sep 30, 2015 | MCL | Yes | No | .082 MG/L | 0.080 mg/L | .08 | Resolved | Sep 30, 2015 | - | |
| Jul 1, 2015 | Sep 30, 2015 | MCL | Yes | No | .082 MG/L | 0.080 mg/L | .08 | Resolved | Sep 30, 2015 | - | |
| Jan 1, 2015 | Mar 31, 2015 | MCL | Yes | No | .081 MG/L | 0.080 mg/L | .08 | Resolved | Mar 31, 2015 | - | |
| Jan 1, 2015 | Mar 31, 2015 | MCL | Yes | No | .081 MG/L | 0.080 mg/L | .08 | Resolved | Mar 31, 2015 | - | |
| Jan 1, 2015 | Mar 31, 2015 | MCL | Yes | No | .081 MG/L | 0.080 mg/L | .08 | Resolved | Mar 31, 2015 | - | |
| Jan 1, 2015 | Mar 31, 2015 | MCL | Yes | No | .081 MG/L | 0.080 mg/L | .08 | Resolved | Mar 31, 2015 | - | |
| Jan 1, 2015 | Mar 31, 2015 | MCL | Yes | No | .081 MG/L | 0.080 mg/L | .08 | Resolved | Mar 31, 2015 | - | |
| Nov 1, 2012 | Nov 30, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2012 | - | |
| Nov 1, 2012 | Nov 30, 2012 | MR | No | Yes | - | - | - | Resolved | Nov 30, 2012 | - | |
| Nov 1, 2012 | Nov 30, 2012 | MR | No | Yes | - | - | - | Resolved | Nov 30, 2012 | - | |
| Nov 1, 2012 | Nov 30, 2012 | MR | No | Yes | - | - | - | Resolved | Nov 30, 2012 | - | |
| Nov 1, 2012 | Nov 30, 2012 | MR | No | Yes | - | - | - | Resolved | Nov 30, 2012 | - | |
| Nov 1, 2012 | Nov 30, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2012 | - | |
| Nov 1, 2012 | Nov 30, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2012 | - | |
| Nov 1, 2012 | Nov 30, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2012 | - | |
| Oct 1, 2012 | Dec 31, 2012 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2012 | - | |
| Oct 1, 2012 | Dec 31, 2012 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2012 | - | |
| Oct 1, 2012 | Dec 31, 2012 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2012 | - | |
| Oct 1, 2012 | Dec 31, 2012 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2012 | - | |
| Oct 1, 2011 | - | MR | No | No | - | TT | - | Resolved | Sep 24, 2012 | - | |
| Oct 1, 2011 | - | MR | No | No | - | TT | - | Resolved | Sep 24, 2012 | - | |
| Apr 1, 2010 | Jun 30, 2010 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2010 | - | |
| Apr 1, 2010 | Apr 30, 2010 | MR | No | Yes | - | - | - | Resolved | Apr 30, 2010 | - | |
| Apr 1, 2010 | Apr 30, 2010 | MR | No | Yes | - | - | - | Resolved | Apr 30, 2010 | - | |
| Apr 1, 2010 | Jun 30, 2010 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2010 | - | |
| Aug 10, 2009 | - | Other | No | No | - | - | - | Resolved | Oct 16, 2009 | - | |
| Aug 10, 2009 | - | Other | No | No | - | - | - | Resolved | Oct 16, 2009 | - | |
| Jul 1, 2009 | - | Other | No | No | - | - | - | Resolved | Oct 16, 2009 | - | |
| Jul 1, 2009 | - | Other | No | No | - | - | - | Resolved | Oct 16, 2009 | - | |
| Mar 1, 2009 | Mar 31, 2009 | MR | No | Yes | - | - | - | Resolved | Mar 31, 2009 | - | |
| Mar 1, 2009 | Mar 31, 2009 | MR | No | Yes | - | - | - | Resolved | Mar 31, 2009 | - | |
| Jan 1, 2009 | Mar 31, 2009 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2009 | - | |
| Jan 1, 2009 | Mar 31, 2009 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2009 | - | |
| Jun 1, 2007 | Jun 30, 2007 | MR | No | Yes | - | - | - | Resolved | Jun 30, 2007 | - | |
| Jun 1, 2007 | Jun 30, 2007 | MR | No | Yes | - | - | - | Resolved | Jun 30, 2007 | - | |
| Apr 1, 2007 | Jun 30, 2007 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2007 | - | |
| Apr 1, 2007 | Jun 30, 2007 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2007 | - |
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.