Public water system record
CTWC - Thompson System
Serves North Grosvenor Dale and Mechanicsville, Northeastern Connecticut Planning Region, CT · 1,070 people served
Federal records show no health-based violations and no monitoring or reporting issues for CTWC - Thompson System in the last ten years.
System profile
- Health-based violations, last 10 years
- 0
- Resolved
- 0
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 0
Key facts
- CTWC - Thompson System draws water from 5 wells.
- Record on file since 1995, with 1 health-based violation before October 19, 2016.
- Lead pipe inventory: 0 lead and 314 unknown out of 486 service lines.
Check whether CTWC - Thompson System 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.
None since October 2016, and no monitoring or reporting violations either.
Full record since 1995
EPA's records for CTWC - Thompson System go back to 1995. Before October 19, 2016 they list 1 health-based violation (1 resolved) and 33 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 1 | 0 |
| 2000s | 0 | 2 |
| 2010 to October 18, 2016 | 0 | 31 |
Most recent health-based violation before October 19, 2016: Total Coliform, began February 1995, Resolved.
Show the health-based violation before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Feb 1, 1995 | Resolved |
Where the water comes from
CTWC - Thompson System draws water from 5 wells.
Annual water quality report
CTWC - Thompson System 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