Public water system record
Yarmouth Water Department
Serves South Yarmouth, West Yarmouth and Yarmouth Port, Barnstable County, MA · 38,900 people served
Federal records show 1 health-based violation and 5 monitoring/reporting issues for Yarmouth Water Department in the last ten years. The most serious issue in this window was a resolved Revised Total Coliform Rule violation.
System profile
- Health-based violations, last 10 years
- 1
- Resolved
- 1
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 5
Key facts
- Yarmouth Water Department draws water from 24 wells.
- Most recent formal enforcement: compliance order (no penalty) by Massachusetts, November 2021.
- Record on file since 2000, with 6 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 22 unknown out of 16,559 service lines.
Check whether Yarmouth Water Department 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 |
|---|---|---|---|---|
|
Revised Total Coliform Rule
Treatment technique failure
|
110 | Feb 1, 2018 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
ENTEROCOCCI
Monitoring and reporting
|
Apr 6, 2021 |
Active
Enforcement action in place
|
|
Nitrate
Monitoring and reporting
|
Jan 1, 2021 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Nitrite
Monitoring and reporting
|
Jan 1, 2020 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Nitrate
Monitoring and reporting
|
Jan 1, 2020 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Revised Total Coliform Rule
RPT
|
Feb 2, 2018 | Resolved |
Full record since 2000
EPA's records for Yarmouth Water Department go back to 2000. Before October 19, 2016 they list 6 health-based violations (4 resolved, 2 archived by EPA without a recorded fix) and 19 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 2000s | 4 | 17 |
| 2010 to October 18, 2016 | 2 | 2 |
| October 19, 2016 to 2019 | 1 | 1 |
| 2020s | 0 | 4 |
Most recent health-based violation before October 19, 2016: Total Coliform, began July 2013, Resolved.
Show all 6 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 2013 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 2011 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Nov 1, 2005 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 2005 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 2003 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
May 1, 2000 | Archived |
Enforcement actions
Massachusetts regulators took 9 formal enforcement actions against Yarmouth Water Department between 2000 and 2021, filed as 10 records in EPA's data. The most recent was a compliance order (no penalty) in November 2021.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Nov 22, 2021 | Massachusetts | Compliance order (no penalty) | 3 violations: Nitrate, Nitrite |
| May 5, 2021 | Massachusetts | Compliance order (no penalty) | 1 violation: ENTEROCOCCI |
| Nov 2, 2011 | Massachusetts | Compliance order (no penalty) | 3 violations (1 health-based): Total Coliform |
| Mar 21, 2008 | Massachusetts | Compliance order (no penalty) | 1 violation: Nitrate |
| Nov 15, 2006 | Massachusetts | Compliance order (no penalty) | 12 violations: Cadmium, Nickel, Thallium, Total, Mercury, Selenium |
| May 18, 2006 | Massachusetts | Compliance order (no penalty) | 4 violations (2 health-based): Total Coliform |
| Nov 24, 2003 | Massachusetts | Compliance order (no penalty) | 1 violation (1 health-based): Total Coliform |
| Oct 15, 2002 | Massachusetts | Compliance order (no penalty) | 1 violation: Total Coliform |
| Jun 20, 2000 | Massachusetts | Compliance order (no penalty) | 2 violations (1 health-based): Total Coliform |
What the violations mean
Revised Total Coliform Rule
1 incidentThe system did not meet a requirement of the Revised Total Coliform Rule
Coliform and E. coli rules protect against bacteria in the distribution system
Where the water comes from
Yarmouth Water Department draws water from 24 wells.
Annual water quality report
Yarmouth Water Department 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 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.
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 Massachusetts.
Certified drinking water labs by state EPA guidance for private wells