Public water system record
Wellesley Water Division
Serves Wellesley, Norfolk County, MA · 29,550 people served
Federal records show no health-based violations and 1 monitoring/reporting issue for Wellesley Water Division in the last ten years. At least one of these issues remains unresolved.
System profile
- Health-based violations, last 10 years
- 0
- Resolved
- 0
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 1
Key facts
- Wellesley Water Division draws water from 10 wells.
- Most recent formal enforcement: compliance order (no penalty) by Massachusetts, February 2023.
- Record on file since 1991, with 7 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 5,759 unknown out of 8,074 service lines.
Check whether Wellesley Water Division 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
|
Jul 1, 2022 |
Active
Enforcement action in place
|
Full record since 1991
EPA's records for Wellesley Water Division go back to 1991. Before October 19, 2016 they list 7 health-based violations (4 resolved, 3 archived by EPA without a recorded fix) and 1 monitoring or reporting violation.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 3 | 0 |
| 2000s | 2 | 1 |
| 2010 to October 18, 2016 | 2 | 0 |
| 2020s | 0 | 1 |
Most recent health-based violation before October 19, 2016: Total Coliform, began August 2014, Resolved.
Show all 7 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2014 | Resolved |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Aug 1, 2014 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2002 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Dec 1, 2000 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jun 1, 1997 | Archived |
|
Lead and Copper Rule
Treatment technique failure
|
Jan 1, 1997 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 1991 | Archived |
Enforcement actions
Massachusetts regulators took 6 formal enforcement actions against Wellesley Water Division between 1997 and 2023. The most recent was a compliance order (no penalty) in February 2023.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Feb 17, 2023 | Massachusetts | Compliance order (no penalty) | 1 violation: Lead and Copper Rule |
| Aug 21, 2014 | Massachusetts | Compliance order (no penalty) | 2 violations (2 health-based): Total Coliform |
| Jun 24, 2008 | Massachusetts | Compliance order (no penalty) | 1 violation: Total Coliform |
| Sep 12, 2002 | Massachusetts | Compliance order (no penalty) | 1 violation (1 health-based): Total Coliform |
| Jan 26, 2001 | Massachusetts | Compliance order (no penalty) | 1 violation (1 health-based): Total Coliform |
| Dec 24, 1997 | Massachusetts | Compliance order (no penalty) | 1 violation (1 health-based): Lead and Copper Rule |
Where the water comes from
Wellesley Water Division draws water from 10 wells. It also buys water from MWRA. It also has an emergency connection to Natick Water and Sewer Division. 1 other community water system buys water from Wellesley Water Division.
Buys water from
- MWRA Chelsea, MA
Emergency or part-time connections to
- Natick Water and Sewer Division Natick, MA
Community systems that buy water from it
- Wellesley College Wellesley, MA
Annual water quality report
Wellesley Water Division 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