Public water system record
Otis Air National Guard Base
Serves an area of Barnstable County, MA · 6,000 people served
Federal records show 2 health-based violations and 2 monitoring/reporting issues for Otis Air National Guard Base in the last ten years, including an unresolved LEAD AND COPPER RULE REVISIONS violation.
System profile
- Health-based violations, last 10 years
- 2
- Resolved
- 1
- Unresolved
- 1
- Any acute record
- Yes
- Monitoring issues, last 10 years
- 2
Key facts
- Otis Air National Guard Base draws water from 1 well.
- Most recent formal enforcement: compliance order (no penalty) by Massachusetts, September 2021.
- Record on file since 1991, with 9 health-based violations before October 19, 2016.
Check whether Otis Air National Guard Base 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
Contaminant limit exceeded
|
110 | Sep 1, 2021 | Resolved | Yes |
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
|
Aug 22, 2017 | Resolved |
Full record since 1991
EPA's records for Otis Air National Guard Base go back to 1991. Before October 19, 2016 they list 9 health-based violations (5 resolved, 4 archived by EPA without a recorded fix) and 5 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 3 | 5 |
| 2000s | 4 | 0 |
| 2010 to October 18, 2016 | 2 | 0 |
| October 19, 2016 to 2019 | 0 | 1 |
| 2020s | 2 | 1 |
Most recent health-based violation before October 19, 2016: Total Coliform, began August 2014, Resolved.
Show all 9 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2014 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 2013 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2007 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 2005 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2004 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Jan 1, 2000 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 1998 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Mar 1, 1998 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 1991 | Archived |
Enforcement actions
Massachusetts regulators took 7 formal enforcement actions against Otis Air National Guard Base between 1999 and 2021. The most recent was a compliance order (no penalty) in September 2021.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Sep 20, 2021 | Massachusetts | Compliance order (no penalty) | 1 violation (1 health-based): Revised Total Coliform Rule |
| Feb 4, 2008 | Massachusetts | Compliance order (no penalty) | 1 violation (1 health-based): Total Coliform |
| May 18, 2006 | Massachusetts | Compliance order (no penalty) | 1 violation (1 health-based): Total Coliform |
| Oct 21, 2004 | Massachusetts | Compliance order (no penalty) | 1 violation (1 health-based): Total Coliform |
| Mar 9, 2000 | Massachusetts | Compliance order (no penalty) | 1 violation (1 health-based): Total Coliform |
| Dec 17, 1999 | Massachusetts | Compliance order (no penalty) | 5 violations: 38-STRONTIUM-90, Gross Beta Particle Activity, Radium-226, Radium-228, Tritium |
| Jan 11, 1999 | Massachusetts | Compliance order (no penalty) | 1 violation (1 health-based): 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.
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
Otis Air National Guard Base draws water from 1 well. It also buys water from Upper Cape Regional Water Cooperative.
Buys water from
- Upper Cape Regional Water Cooperative Sandwich, MA
Annual water quality report
Otis Air National Guard Base 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.
Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.
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