Public water system record
Deer Run Supply
Serves an area of Southeastern Connecticut Planning Region, CT · 84 people served
Federal records show 1 health-based violation and 7 monitoring/reporting issues for Deer Run Supply 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
- 7
Key facts
- Deer Run Supply draws water from 1 well.
- Most recent formal enforcement: administrative penalty by Connecticut, June 2012.
- Record on file since 1992, with 7 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 21 service lines.
Check whether Deer Run Supply 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 REVISIONS
RPT
|
Oct 17, 2024 | Active |
|
Consumer Confidence Rule
OTHER
|
Aug 10, 2023 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Aug 10, 2022 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2022 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Aug 10, 2017 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2017 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Oct 1, 2016 | Resolved |
Full record since 1992
EPA's records for Deer Run Supply go back to 1992. Before October 19, 2016 they list 7 health-based violations (7 resolved) and 50 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 3 | 30 |
| 2000s | 0 | 8 |
| 2010 to October 18, 2016 | 4 | 12 |
| October 19, 2016 to 2019 | 0 | 2 |
| 2020s | 1 | 4 |
Most recent health-based violation before October 19, 2016: Total Coliform, began June 2011, Resolved.
Show all 7 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Jun 1, 2011 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
May 1, 2011 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Apr 1, 2011 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jan 1, 2011 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 1996 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 1996 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jun 1, 1996 | Resolved |
Enforcement actions
Connecticut regulators took 6 formal enforcement actions against Deer Run Supply between 1993 and 2012. The most recent was an administrative penalty in June 2012.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Jun 20, 2012 | Connecticut | Administrative penalty | 2 violations: Total Coliform |
| Nov 2, 2007 | Connecticut | Compliance order with a penalty | 1 violation: Consumer Confidence Rule |
| Feb 17, 2006 | Connecticut | Compliance order with a penalty | 1 violation: Total Coliform |
| Jan 9, 2004 | Connecticut | Compliance order with a penalty | 1 violation: Lead and Copper Rule |
| Jan 8, 2003 | Connecticut | Signed compliance agreement | 1 violation: Total Coliform |
| Mar 3, 1993 | Connecticut | Compliance order with a penalty | 1 violation: p-Dichlorobenzene |
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
Deer Run Supply draws water from 1 well.
Annual water quality report
Deer Run Supply 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 Deer Run Supply 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