Public water system record
Cornell Hills Assoc, Inc
Serves Danbury, Western Connecticut Planning Region, CT · 108 people served
Federal records show 1 health-based violation and 25 monitoring/reporting issues for Cornell Hills Assoc, Inc 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
- 25
Key facts
- Cornell Hills Assoc, Inc buys its water from Danbury Water Department.
- Most recent formal enforcement: compliance order with a penalty by Connecticut, October 2006.
- Record on file since 1993, with 5 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 27 service lines.
Check whether Cornell Hills Assoc, Inc 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 |
|---|---|---|
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2025 | Resolved |
|
LEAD AND COPPER RULE REVISIONS
RPT
|
Oct 17, 2024 | Active |
|
Consumer Confidence Rule
OTHER
|
Aug 10, 2023 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2023 | Resolved |
|
Chlorine
Monitoring and reporting
|
Dec 1, 2022 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Dec 1, 2022 | Resolved |
|
Chlorine
Monitoring and reporting
|
Nov 1, 2022 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Nov 1, 2022 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2022 | Resolved |
|
Chlorine
Monitoring and reporting
|
Oct 1, 2022 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Oct 1, 2022 | Resolved |
|
Chlorine
Monitoring and reporting
|
Sep 1, 2022 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Sep 1, 2022 | Resolved |
|
Chlorine
Monitoring and reporting
|
Aug 1, 2022 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Aug 1, 2022 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Sep 1, 2021 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Sep 1, 2021 | Resolved |
|
Public Notice
OTHER
|
Nov 13, 2020 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Sep 1, 2018 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Sep 1, 2018 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2018 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Sep 1, 2017 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2011 | Resolved |
|
Public Notice
OTHER
|
Apr 15, 2011 | Active |
|
Public Notice
OTHER
|
Apr 15, 2011 | Active |
Full record since 1993
EPA's records for Cornell Hills Assoc, Inc go back to 1993. Before October 19, 2016 they list 5 health-based violations (4 resolved, 1 archived by EPA without a recorded fix) and 32 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 4 | 9 |
| 2000s | 1 | 13 |
| 2010 to October 18, 2016 | 0 | 10 |
| October 19, 2016 to 2019 | 0 | 4 |
| 2020s | 1 | 18 |
Most recent health-based violation before October 19, 2016: Total Coliform, began July 2008, Resolved.
Show all 5 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 2008 | Resolved |
|
Lead and Copper Rule
Treatment technique failure
|
Dec 30, 1994 | Resolved |
|
Lead and Copper Rule
Treatment technique failure
|
Jun 30, 1994 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 1993 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 1993 | Resolved |
Enforcement actions
Connecticut regulators took 3 formal enforcement actions against Cornell Hills Assoc, Inc between 2002 and 2006. The most recent was a compliance order with a penalty in October 2006.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Oct 19, 2006 | Connecticut | Compliance order with a penalty | 1 violation: Consumer Confidence Rule |
| Jan 17, 2006 | Connecticut | Compliance order with a penalty | 1 violation: Consumer Confidence Rule |
| Feb 20, 2002 | Connecticut | Signed compliance agreement | 1 violation: Total Coliform |
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
Cornell Hills Assoc, Inc buys its water from Danbury Water Department. It lists no wells or intakes of its own.
Buys water from
- Danbury Water Department Danbury, CT
Annual water quality report
Cornell Hills Assoc, Inc 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 Cornell Hills Assoc, Inc 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