Public water system record
Ledyard Wpca - Ledyard Center
Serves an area of Southeastern Connecticut Planning Region, CT · 3,294 people served
Federal records show 3 health-based violations and 1 monitoring/reporting issue for Ledyard Wpca - Ledyard Center in the last ten years. The most serious issue in this window was a Total Trihalomethanes (TTHMs) violation that EPA lists as archived, not resolved.
System profile
- Health-based violations, last 10 years
- 3
- Resolved
- 2
- Unresolved
- 0
- Archived by EPA
- 1
- Any acute record
- No
- Monitoring issues, last 10 years
- 1
Key facts
- Ledyard Wpca - Ledyard Center buys its water from Groton Utilities.
- Highest measured level in the last 10 years: Total Trihalomethanes (TTHMs), 0.083 mg/L, federal limit 0.08 mg/L (at or just above the limit), 2022.
- Record on file since 2010, with 1 health-based violation before October 19, 2016.
- Lead pipe inventory: 0 lead and 647 unknown out of 827 service lines.
Check whether Ledyard Wpca - Ledyard Center serves your address
Health-based violations
Since October 2016Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.
| Contaminant | Rule family | Start date | Status | Acute |
|---|---|---|---|---|
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.081 mg/L, federal limit 0.08 mg/L (at or just above the limit)
|
220 | Apr 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.081 mg/L, federal limit 0.08 mg/L (at or just above the limit)
|
220 | Apr 1, 2022 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.083 mg/L, federal limit 0.08 mg/L (at or just above the limit)
|
220 | Jan 1, 2022 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2023 | Resolved |
Full record since 2010
EPA's records for Ledyard Wpca - Ledyard Center go back to 2010. Before October 19, 2016 they list 1 health-based violation (1 resolved) and no monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 2010 to October 18, 2016 | 1 | 0 |
| 2020s | 3 | 1 |
Most recent health-based violation before October 19, 2016: Total Coliform, began August 2010, Resolved.
Show the health-based violation before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2010 | Resolved |
What the violations mean
Total Trihalomethanes (TTHMs)
3 incidentsDisinfection byproduct levels exceeded the federal limit
Long-term TTHM exposure may increase bladder cancer risk
Where the water comes from
Ledyard Wpca - Ledyard Center buys its water from Groton Utilities. It lists no wells or intakes of its own.
Buys water from
- Groton Utilities Groton, CT
Annual water quality report
Ledyard Wpca - Ledyard Center must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.
Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.
Find a posted report with EPA's Consumer Confidence Report search
Testing your own water
To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Connecticut.
Certified drinking water labs by state EPA guidance for private wells