LEDYARD WPCA, HIGHLANDS SYSTEM
Connecticut - Community Water System - PWSID: CT0720031
System Information
| PWSID | CT0720031 |
| System Name | LEDYARD WPCA, HIGHLANDS SYSTEM |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Non-Inventory |
| Owner Type | Local |
| EPA Region | 01 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 23, 1979 |
| Last Reported | Mar 30, 2026 |
Location & Contact
| State | Connecticut |
| City | LEDYARD |
| ZIP Code | 06339 |
| Address | 741 Colonel Ledyard Highway |
| Organization | GARDNER, JOHN R. |
| Phone | 860-536-3181 |
Population & Service
| Population Served | 4,134 |
| Service Connections | 574 |
Drinking Water Violations (94)
This water system has 94 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 1, 2007 | - | Other | No | No | - | - | - | Resolved | Jul 17, 2007 | - | |
| Jul 1, 2007 | - | Other | No | No | - | - | - | Resolved | Jul 17, 2007 | - | |
| Aug 10, 2005 | - | Other | No | No | - | - | - | Resolved | Nov 29, 2005 | - | |
| Aug 10, 2005 | - | Other | No | No | - | - | - | Resolved | Nov 29, 2005 | - | |
| Jul 1, 2005 | - | Other | No | No | - | - | - | Resolved | Nov 29, 2005 | - | |
| Jul 1, 2005 | - | Other | No | No | - | - | - | Resolved | Nov 29, 2005 | - | |
| Jul 1, 1996 | - | MR | No | No | - | TT | - | Resolved | Feb 13, 1998 | - | |
| Jul 1, 1996 | - | MR | No | No | - | TT | - | Resolved | Feb 13, 1998 | - | |
| Jul 1, 1996 | - | MR | No | No | - | TT | - | Resolved | Feb 13, 1998 | - | |
| Jul 1, 1996 | Jul 31, 1996 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 1996 | - | |
| Jul 1, 1996 | Jul 31, 1996 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 1996 | - | |
| Jul 1, 1996 | Jul 31, 1996 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 1996 | - | |
| Jul 1, 1996 | - | MR | No | No | - | TT | - | Resolved | Feb 13, 1998 | - | |
| Feb 1, 1996 | Feb 29, 1996 | MR | No | No | - | 5% of samples | - | Resolved | Feb 29, 1996 | - | |
| Feb 1, 1996 | Feb 29, 1996 | MR | No | No | - | 5% of samples | - | Resolved | Feb 29, 1996 | - | |
| Feb 1, 1996 | Feb 29, 1996 | MR | No | No | - | 5% of samples | - | Resolved | Feb 29, 1996 | - | |
| Jan 1, 1996 | Jan 31, 1996 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 1996 | - | |
| Jan 1, 1996 | Jan 31, 1996 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 1996 | - | |
| Jan 1, 1996 | Jan 31, 1996 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 1996 | - | |
| Jan 1, 1996 | - | MR | No | No | - | TT | - | Resolved | Jun 30, 1997 | - | |
| Jan 1, 1996 | - | MR | No | No | - | TT | - | Resolved | Jun 30, 1997 | - | |
| Jan 1, 1996 | - | MR | No | No | - | TT | - | Resolved | Jun 30, 1997 | - | |
| Jan 1, 1996 | Feb 13, 1998 | MR | No | No | - | TT | - | Archived | Feb 13, 1998 | - | |
| Dec 1, 1995 | Dec 31, 1995 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 1995 | - | |
| Dec 1, 1995 | Dec 31, 1995 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 1995 | - | |
| Dec 1, 1995 | Dec 31, 1995 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 1995 | - | |
| Jul 1, 1995 | - | MR | No | No | - | TT | - | Resolved | Apr 29, 1997 | - | |
| Jul 1, 1995 | Jun 30, 1997 | MR | No | No | - | TT | - | Archived | Jun 30, 1997 | - | |
| Jul 1, 1993 | Jul 31, 1993 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 1993 | - | |
| Jul 1, 1993 | Jul 31, 1993 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 1993 | - | |
| Jul 1, 1993 | Jul 31, 1993 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 1993 | - | |
| Jul 1, 1993 | Jul 31, 1993 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 1993 | - | |
| Aug 1, 1992 | Aug 31, 1992 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 1992 | - | |
| Aug 1, 1992 | Aug 31, 1992 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 1992 | - | |
| Aug 1, 1992 | Aug 31, 1992 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 1992 | - | |
| Jan 1, 1992 | Jan 31, 1992 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jan 31, 1992 | - | |
| Jan 1, 1992 | Jan 31, 1992 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jan 31, 1992 | - | |
| Jan 1, 1992 | Jan 31, 1992 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jan 31, 1992 | - | |
| Jan 1, 1992 | Jan 31, 1992 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jan 31, 1992 | - | |
| Jan 1, 1992 | Jan 31, 1992 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jan 31, 1992 | - | |
| May 1, 1991 | May 31, 1991 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 1991 | - | |
| May 1, 1991 | May 31, 1991 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 1991 | - | |
| Dec 1, 1988 | Dec 31, 1988 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 1988 | - | |
| Dec 1, 1988 | Dec 31, 1988 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 1988 | - | |
| Dec 1, 1988 | Dec 31, 1988 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Dec 31, 1988 | - | |
| Dec 1, 1988 | Dec 31, 1988 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Dec 31, 1988 | - | |
| Dec 1, 1988 | Dec 31, 1988 | MR | No | Yes | - | 2 mg/L | - | Resolved | Dec 31, 1988 | - | |
| Dec 1, 1988 | Dec 31, 1988 | MR | No | Yes | - | 0.010 mg/L | - | Resolved | Dec 31, 1988 | - | |
| Dec 1, 1988 | Dec 31, 1988 | MR | No | Yes | - | 0.05 mg/L | - | Resolved | Dec 31, 1988 | - | |
| Dec 1, 1988 | Dec 31, 1988 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Dec 31, 1988 | - |
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.