Public water system record
Marlborough DPW Water Div. (MWRA)
Serves Marlborough, Middlesex County, MA · 41,799 people served
Federal records show no health-based violations and 2 monitoring/reporting issues for Marlborough DPW Water Div. (MWRA) 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
- 2
Key facts
- Marlborough DPW Water Div. (MWRA) buys its water from MWRA.
- Most recent formal enforcement: compliance order (no penalty) by Massachusetts, March 2021.
- Record on file since 1993, with 5 health-based violations before October 19, 2016.
- Lead pipe inventory: 268 lead and 1,503 unknown out of 11,069 service lines.
Check whether Marlborough DPW Water Div. (MWRA) 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 |
|---|---|---|
|
Lead and Copper Rule
Monitoring and reporting
|
Dec 30, 2020 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jul 1, 2020 | Resolved |
Full record since 1993
EPA's records for Marlborough DPW Water Div. (MWRA) 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 14 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 4 | 0 |
| 2000s | 1 | 9 |
| 2010 to October 18, 2016 | 0 | 5 |
| 2020s | 0 | 2 |
Most recent health-based violation before October 19, 2016: Total Coliform, began July 2004, Resolved.
Show all 5 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 2004 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 1998 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jun 1, 1996 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 1994 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
May 1, 1993 | Archived |
Enforcement actions
Massachusetts regulators took 7 formal enforcement actions against Marlborough DPW Water Div. (MWRA) between 1998 and 2021. The most recent was a compliance order (no penalty) in March 2021.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Mar 3, 2021 | Massachusetts | Compliance order (no penalty) | 1 violation: Lead and Copper Rule |
| Mar 9, 2015 | Massachusetts | Compliance order (no penalty) | 2 violations: Haloacetic Acids (HAA5), Total Trihalomethanes (TTHMs) |
| Apr 19, 2012 | Massachusetts | Compliance order (no penalty) | 1 violation: Lead and Copper Rule |
| Mar 1, 2010 | Massachusetts | Compliance order (no penalty) | 1 violation: Lead and Copper Rule |
| Mar 23, 2006 | Massachusetts | Compliance order (no penalty) | 8 violations: Surface Water Treatment Rule |
| Sep 3, 2004 | Massachusetts | Compliance order (no penalty) | 1 violation (1 health-based): Total Coliform |
| Nov 16, 1998 | Massachusetts | Compliance order (no penalty) | 1 violation (1 health-based): Total Coliform |
Where the water comes from
Marlborough DPW Water Div. (MWRA) buys its water from MWRA. It lists no wells or intakes of its own.
Buys water from
- MWRA Chelsea, MA
Annual water quality report
Marlborough DPW Water Div. (MWRA) 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