Public water system record
Acton Water Supply District
Serves an area of Middlesex County, MA · 20,780 people served
Federal records show no health-based violations and 24 monitoring/reporting issues for Acton Water Supply District in the last ten years.
System profile
- Health-based violations, last 10 years
- 0
- Resolved
- 0
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 24
Key facts
- Acton Water Supply District draws water from 26 wells.
- Most recent formal enforcement: compliance order (no penalty) by Massachusetts, August 2024.
- Record on file since 1980, with 20 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 2,855 unknown out of 6,717 service lines.
Check whether Acton Water Supply 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.
None since October 2016.
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Revised Total Coliform Rule
Monitoring violation
|
Mar 1, 2024 | Resolved |
|
p-Dichlorobenzene
Monitoring and reporting
|
Oct 1, 2023 | Resolved |
|
Toluene
Monitoring and reporting
|
Oct 1, 2023 | Resolved |
|
Tetrachloroethylene
Monitoring and reporting
|
Oct 1, 2023 | Resolved |
|
Styrene
Monitoring and reporting
|
Oct 1, 2023 | Resolved |
|
Ethylbenzene
Monitoring and reporting
|
Oct 1, 2023 | Resolved |
|
1,2-Dichloropropane
Monitoring and reporting
|
Oct 1, 2023 | Resolved |
|
cis-1,2-Dichloroethylene
Monitoring and reporting
|
Oct 1, 2023 | Resolved |
|
trans-1,2-Dichloroethylene
Monitoring and reporting
|
Oct 1, 2023 | Resolved |
|
o-Dichlorobenzene
Monitoring and reporting
|
Oct 1, 2023 | Resolved |
|
CHLOROBENZENE
Monitoring and reporting
|
Oct 1, 2023 | Resolved |
|
Vinyl chloride
Monitoring and reporting
|
Oct 1, 2023 | Resolved |
|
1,1,1-Trichloroethane
Monitoring and reporting
|
Oct 1, 2023 | Resolved |
|
Trichloroethylene
Monitoring and reporting
|
Oct 1, 2023 | Resolved |
|
1,2-Dichloroethane
Monitoring and reporting
|
Oct 1, 2023 | Resolved |
|
1,1-Dichloroethylene
Monitoring and reporting
|
Oct 1, 2023 | Resolved |
|
Carbon tetrachloride
Monitoring and reporting
|
Oct 1, 2023 | Resolved |
|
Benzene
Monitoring and reporting
|
Oct 1, 2023 | Resolved |
|
1,2-DIBROMO-3-CHLOROPROPANE
Monitoring and reporting
|
Oct 1, 2023 | Resolved |
|
ETHYLENE DIBROMIDE
Monitoring and reporting
|
Oct 1, 2023 | Resolved |
|
1,2,4-Trichlorobenzene
Monitoring and reporting
|
Oct 1, 2023 | Resolved |
|
1,1,2-Trichloroethane
Monitoring and reporting
|
Oct 1, 2023 | Resolved |
|
DICHLOROMETHANE
Monitoring and reporting
|
Oct 1, 2023 | Resolved |
|
Xylenes, Total
Monitoring and reporting
|
Oct 1, 2023 | Resolved |
Full record since 1980
EPA's records for Acton Water Supply District go back to 1980. Before October 19, 2016 they list 20 health-based violations (19 resolved, 1 archived by EPA without a recorded fix) and 50 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 0 | 1 |
| 1990s | 4 | 25 |
| 2000s | 7 | 23 |
| 2010 to October 18, 2016 | 9 | 1 |
| 2020s | 0 | 24 |
Most recent health-based violation before October 19, 2016: Total Coliform, began December 2014, Resolved.
Show all 20 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Dec 1, 2014 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 2014 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 2014 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Nov 1, 2013 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 2012 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2011 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jun 1, 2011 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 2010 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Apr 1, 2010 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 2009 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Mar 1, 2009 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 2005 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jun 1, 2005 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 2004 | Resolved |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Sep 1, 2004 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jan 1, 2004 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 1999 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Jun 1, 1998 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 1997 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Nov 1, 1996 | Resolved |
Enforcement actions
Massachusetts regulators took 20 formal enforcement actions against Acton Water Supply District between 1993 and 2024, filed as 21 records in EPA's data. The most recent was a compliance order (no penalty) in August 2024.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Aug 28, 2024 | Massachusetts | Compliance order (no penalty) | 1 violation: Revised Total Coliform Rule |
| May 15, 2024 | Massachusetts | Compliance order (no penalty) | 23 violations: p-Dichlorobenzene, Carbon tetrachloride, 1,1-Dichloroethylene, 1,2-Dichloroethane, 1,1,1-Trichloroethane |
| Oct 16, 2012 | Massachusetts | Compliance order (no penalty) | 1 violation (1 health-based): Total Coliform |
| Oct 27, 2011 | Massachusetts | Compliance order (no penalty) | 1 violation (1 health-based): Total Coliform |
| Sep 14, 2011 | Massachusetts | Compliance order (no penalty) | 1 violation (1 health-based): Total Coliform |
| Nov 16, 2010 | Massachusetts | Compliance order (no penalty) | 1 violation (1 health-based): Total Coliform |
| Jul 14, 2010 | Massachusetts | Compliance order (no penalty) | 1 violation (1 health-based): Total Coliform |
| Nov 4, 2009 | Massachusetts | Compliance order (no penalty) | 2 violations (1 health-based): Total Coliform |
| Apr 30, 2009 | Massachusetts | Compliance order (no penalty) | 1 violation (1 health-based): Total Coliform |
| Aug 29, 2007 | Massachusetts | Compliance order (no penalty) | 21 violations: Benzene, 1,2-Dichloroethane, Trichloroethylene, 1,1,1-Trichloroethane, Vinyl chloride |
| Dec 12, 2006 | Massachusetts | Compliance order (no penalty) | 1 violation: Fluoride |
| Aug 9, 2005 | Massachusetts | Compliance order (no penalty) | 1 violation (1 health-based): Total Coliform |
| Jul 25, 2005 | Massachusetts | Compliance order (no penalty) | 1 violation (1 health-based): Total Coliform |
| Oct 14, 2004 | Massachusetts | Compliance order (no penalty) | 2 violations (2 health-based): Total Coliform |
| Mar 10, 2004 | Massachusetts | Compliance order (no penalty) | 1 violation (1 health-based): Total Coliform |
| Nov 10, 1999 | Massachusetts | Compliance order (no penalty) | 1 violation (1 health-based): Total Coliform |
| Jul 13, 1998 | Massachusetts | Compliance order (no penalty) | 1 violation (1 health-based): Total Coliform |
| Mar 31, 1997 | Massachusetts | Compliance order (no penalty) | 21 violations: cis-1,2-Dichloroethylene, Xylenes, Total, DICHLOROMETHANE, Vinyl chloride, 1,1-Dichloroethylene |
| Mar 3, 1995 | Massachusetts | Compliance order (no penalty) | 1 violation: Nitrate |
| May 27, 1993 | Massachusetts | Compliance order (no penalty) | 2 violations: Nitrite, Nitrate |
Where the water comes from
Acton Water Supply District draws water from 26 wells.
Annual water quality report
Acton Water Supply 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 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