Public water system record
Twin Hills Water District
Serves an area of Capitol Planning Region, CT · 156 people served
Federal records show 4 health-based violations and 7 monitoring/reporting issues for Twin Hills Water District in the last ten years, including an unresolved LEAD AND COPPER RULE REVISIONS violation.
System profile
- Health-based violations, last 10 years
- 4
- Resolved
- 3
- Unresolved
- 1
- Any acute record
- No
- Monitoring issues, last 10 years
- 7
Key facts
- Twin Hills Water District draws water from 2 wells.
- Most recent enforcement action: boil water order by Connecticut, June 2003.
- Record on file since 1994, with 5 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 39 service lines.
Check whether Twin Hills Water District 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 |
|
Revised Total Coliform Rule
Treatment technique failure
|
110 | Apr 12, 2023 | Resolved | No |
|
Revised Total Coliform Rule
Treatment technique failure
|
110 | Jul 9, 2022 | Resolved | No |
|
Revised Total Coliform Rule
Treatment technique failure
|
110 | Nov 5, 2021 | Resolved | 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 REVISIONS
RPT
|
Oct 17, 2024 | Active |
|
E. coli
Monitoring and reporting
|
Jun 15, 2022 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Aug 10, 2021 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Aug 10, 2018 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2018 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Aug 10, 2017 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2017 | Resolved |
Full record since 1994
EPA's records for Twin Hills Water District go back to 1994. Before October 19, 2016 they list 5 health-based violations (5 resolved) and 7 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 0 | 2 |
| 2000s | 5 | 2 |
| 2010 to October 18, 2016 | 0 | 3 |
| October 19, 2016 to 2019 | 0 | 4 |
| 2020s | 4 | 3 |
Most recent health-based violation before October 19, 2016: Total Coliform, began October 2009, Resolved.
Show all 5 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 2009 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
May 1, 2003 | Resolved |
|
Total Coliform (acute)
Contaminant limit exceeded
|
May 1, 2003 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jan 1, 2003 | Resolved |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Jan 1, 2003 | Resolved |
Enforcement actions
Connecticut regulators issued 2 boil water orders to Twin Hills Water District in 2003. The most recent was a boil water order in June 2003.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Jun 2, 2003 | Connecticut | Boil water order | 1 violation (1 health-based): Total Coliform |
| Mar 1, 2003 | Connecticut | Boil water order | 1 violation (1 health-based): Total Coliform |
What the violations mean
Revised Total Coliform Rule
3 incidentsThe system did not meet a requirement of the Revised Total Coliform Rule
Coliform and E. coli rules protect against bacteria in the distribution system
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
Twin Hills Water District draws water from 2 wells.
Annual water quality report
Twin Hills Water District 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 Twin Hills Water District 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