LEDYARD, CT · New London County
LEDYARD WPCA, HIGHLANDS SYSTEM Water System
Inactive system
This water system is marked inactive in EPA’s federal records as of October 23, 2015. It is no longer an operating public water system under this PWSID, and no compliance deadlines — including the 2027 Consumer Confidence Report rule — apply to it.
If you are a resident looking for your current water provider, see water systems in New London County, CT.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 2026. This is a record-keeping and public-information tool — it does not replace Connecticut’s official records. Always confirm current status with Connecticut before making decisions based on this information.
System facts
- System ID (PWSID)
- CT0720031
- System type
- Community Water System
- Population served
- 4,134
- Service connections
- 574
- Ownership
- local government
- Water source
- groundwater (wells)
LEDYARD WPCA, HIGHLANDS SYSTEM formerly served 4,134 people from groundwater, placing it in the 3,301 to 10,000 people size category.
EPA's federal records list this system as inactive in 2015; the record below is historical.
As of August 1, 2026, its federal record holds 15 entries between 1986 and 1996, all of which EPA lists as closed. Nothing has been added since 1996.
All 15 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves inorganic chemicals, the Lead and Copper Rule, and the Total Coliform Rules.
Violation history
Initial Tap Sampling for Pb and Cu
—Lead and Copper Rule
July 1, 1996 – February 13, 1998
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
May 1, 1991 – May 31, 1991
ResolvedMonitoring, Regular
—Barium
December 1, 1988 – December 31, 1988
ResolvedMonitoring, Regular
—Cadmium
December 1, 1988 – December 31, 1988
ResolvedMonitoring, Regular
—Chromium
December 1, 1988 – December 31, 1988
ResolvedMonitoring, Regular
—Mercury
December 1, 1988 – December 31, 1988
ResolvedMonitoring, Regular
—Nitrate
December 1, 1988 – December 31, 1988
ResolvedMonitoring, Regular
—Arsenic
December 1, 1988 – December 31, 1988
ResolvedMonitoring, Regular
—Barium
December 1, 1986 – November 30, 1987
ResolvedMonitoring, Regular
—Arsenic
December 1, 1986 – November 30, 1987
ResolvedMonitoring, Regular
—Cadmium
December 1, 1986 – November 30, 1987
ResolvedMonitoring, Regular
—Chromium
December 1, 1986 – November 30, 1987
ResolvedMonitoring, Regular
—Mercury
December 1, 1986 – November 30, 1987
ResolvedMonitoring, Regular
—Fluoride
December 1, 1986 – November 30, 1987
ResolvedMonitoring, Regular
—Nitrate
December 1, 1986 – November 30, 1987
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| July 1, 1996 – February 13, 1998 | Initial Tap Sampling for Pb and Cu | Lead and Copper Rule | — | Resolved |
| May 1, 1991 – May 31, 1991 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| December 1, 1988 – December 31, 1988 | Monitoring, Regular | Barium | — | Resolved |
| December 1, 1988 – December 31, 1988 | Monitoring, Regular | Cadmium | — | Resolved |
| December 1, 1988 – December 31, 1988 | Monitoring, Regular | Chromium | — | Resolved |
| December 1, 1988 – December 31, 1988 | Monitoring, Regular | Mercury | — | Resolved |
| December 1, 1988 – December 31, 1988 | Monitoring, Regular | Nitrate | — | Resolved |
| December 1, 1988 – December 31, 1988 | Monitoring, Regular | Arsenic | — | Resolved |
| December 1, 1986 – November 30, 1987 | Monitoring, Regular | Barium | — | Resolved |
| December 1, 1986 – November 30, 1987 | Monitoring, Regular | Arsenic | — | Resolved |
| December 1, 1986 – November 30, 1987 | Monitoring, Regular | Cadmium | — | Resolved |
| December 1, 1986 – November 30, 1987 | Monitoring, Regular | Chromium | — | Resolved |
| December 1, 1986 – November 30, 1987 | Monitoring, Regular | Mercury | — | Resolved |
| December 1, 1986 – November 30, 1987 | Monitoring, Regular | Fluoride | — | Resolved |
| December 1, 1986 – November 30, 1987 | Monitoring, Regular | Nitrate | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- November 29, 2005State Compliance achieved3 linked violations
- November 15, 2005State Violation/Reminder Notice2 linked violations
- July 15, 1996State Public Notification requested5 linked violations
- March 16, 1996State Public Notification requested5 linked violations
- March 14, 1996State Violation/Reminder Notice4 linked violations
- August 11, 1993State Compliance achieved5 linked violations
- December 31, 1991State Compliance achieved2 linked violations
- July 1, 1991State Violation/Reminder Notice1 linked violation
- December 31, 1988State Compliance achievedgeneral compliance action — not tied to a specific violation on record
- December 31, 1984State Compliance achievedgeneral compliance action — not tied to a specific violation on record
Last known contact on file (system is inactive)
GARDNER, JOHN R.
860-536-3181
LEDYARD, CT 06339