Public water system record
Colchester Estates
Serves an area of Southeastern Connecticut Planning Region, CT · 276 people served
Federal records show 1 health-based violation and 40 monitoring/reporting issues for Colchester Estates in the last ten years, including an unresolved LEAD AND COPPER RULE REVISIONS violation.
System profile
- Health-based violations, last 10 years
- 1
- Resolved
- 0
- Unresolved
- 1
- Any acute record
- No
- Monitoring issues, last 10 years
- 40
Key facts
- Colchester Estates draws water from 6 wells.
- Most recent formal enforcement: signed compliance agreement by Connecticut, January 2000.
- Record on file since 1993, with 0 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 7 service lines.
Check whether Colchester Estates 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 |
|---|---|---|---|---|
|
LEAD AND COPPER RULE REVISIONS
Treatment technique failure
|
350 | Oct 17, 2024 | Active | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Lead and Copper Rule
Monitoring and reporting
|
Dec 30, 2024 | Resolved |
|
LEAD AND COPPER RULE REVISIONS
RPT
|
Oct 17, 2024 | Active |
|
Nitrite
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
Nitrate
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Aug 10, 2022 | Resolved |
|
Public Notice
OTHER
|
Dec 29, 2021 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Aug 10, 2021 | Resolved |
|
Styrene
Monitoring and reporting
|
Jan 1, 2021 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Ethylbenzene
Monitoring and reporting
|
Jan 1, 2021 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Toluene
Monitoring and reporting
|
Jan 1, 2021 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Benzene
Monitoring and reporting
|
Jan 1, 2021 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
CHLOROBENZENE
Monitoring and reporting
|
Jan 1, 2021 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Tetrachloroethylene
Monitoring and reporting
|
Jan 1, 2021 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
1,1,2-Trichloroethane
Monitoring and reporting
|
Jan 1, 2021 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Trichloroethylene
Monitoring and reporting
|
Jan 1, 2021 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
1,2-Dichloropropane
Monitoring and reporting
|
Jan 1, 2021 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Carbon tetrachloride
Monitoring and reporting
|
Jan 1, 2021 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
1,1,1-Trichloroethane
Monitoring and reporting
|
Jan 1, 2021 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
1,2-Dichloroethane
Monitoring and reporting
|
Jan 1, 2021 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
trans-1,2-Dichloroethylene
Monitoring and reporting
|
Jan 1, 2021 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
1,1-Dichloroethylene
Monitoring and reporting
|
Jan 1, 2021 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Vinyl chloride
Monitoring and reporting
|
Jan 1, 2021 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
p-Dichlorobenzene
Monitoring and reporting
|
Jan 1, 2021 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
o-Dichlorobenzene
Monitoring and reporting
|
Jan 1, 2021 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
DICHLOROMETHANE
Monitoring and reporting
|
Jan 1, 2021 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
cis-1,2-Dichloroethylene
Monitoring and reporting
|
Jan 1, 2021 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
1,2,4-Trichlorobenzene
Monitoring and reporting
|
Jan 1, 2021 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Gross Alpha, Excl. Radon and U
Monitoring and reporting
|
Jan 1, 2021 | Resolved |
|
Combined Uranium
Monitoring and reporting
|
Jan 1, 2021 | Resolved |
|
Combined Radium (-226 and -228)
Monitoring and reporting
|
Jan 1, 2021 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Sep 1, 2019 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Sep 1, 2019 | Resolved |
|
Public Notice
OTHER
|
Jan 9, 2019 | Resolved |
|
Public Notice
OTHER
|
Jan 9, 2019 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Dec 30, 2018 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Aug 10, 2018 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Dec 30, 2017 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Aug 1, 2017 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2017 | Active |
|
Chlorine
Monitoring and reporting
|
Jul 1, 2017 | Resolved |
Full record since 1993
EPA's records for Colchester Estates go back to 1993. Before October 19, 2016 they list no health-based violations and 81 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 0 | 68 |
| 2000s | 0 | 9 |
| 2010 to October 18, 2016 | 0 | 4 |
| October 19, 2016 to 2019 | 0 | 10 |
| 2020s | 1 | 30 |
Enforcement actions
Connecticut regulators took 1 formal enforcement action against Colchester Estates in 2000. The most recent was a signed compliance agreement in January 2000.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Jan 4, 2000 | Connecticut | Signed compliance agreement | 1 violation: Lead and Copper Rule |
What the violations mean
LEAD AND COPPER RULE REVISIONS
1 incidentThe system did not complete a treatment step or action that the LEAD AND COPPER RULE REVISIONS requires (a treatment technique violation).
The utility had to notify customers about this violation.
Where the water comes from
Colchester Estates draws water from 6 wells.
Annual water quality report
Colchester Estates 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.
Systems serving 500 or fewer people may meet the rule by telling customers the report is available on request, so you may need to ask Colchester Estates for a copy.
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