Public water system record
Stoughton Water Department
Serves an area of Norfolk County, MA · 29,281 people served
Federal records show no health-based violations and 2 monitoring/reporting issues for Stoughton Water Department 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
- Stoughton Water Department draws water from 9 wells.
- Most recent formal enforcement: compliance order (no penalty) by Massachusetts, April 2025.
- Record on file since 1991, with 7 health-based violations before October 19, 2016.
- Lead pipe inventory: 11 lead and 0 unknown out of 8,531 service lines.
Check whether Stoughton 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.
None since October 2016.
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Nitrate
Monitoring and reporting
|
Jan 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2018 | Resolved |
Full record since 1991
EPA's records for Stoughton Water Department go back to 1991. Before October 19, 2016 they list 7 health-based violations (2 resolved, 5 archived by EPA without a recorded fix) and 3 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 3 | 0 |
| 2000s | 1 | 0 |
| 2010 to October 18, 2016 | 3 | 3 |
| October 19, 2016 to 2019 | 0 | 1 |
| 2020s | 0 | 1 |
Most recent health-based violation before October 19, 2016: Total Coliform, began September 2015, Archived.
Show all 7 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 2015 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 2015 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Jun 1, 2015 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
Measured 10.5 mg/L, federal limit 10 mg/L (1.1 times the limit)
|
Apr 1, 2005 | Archived |
|
Lead and Copper Rule
Treatment technique failure
|
Jan 1, 1996 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 1995 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Nov 1, 1991 | Archived |
Enforcement actions
Massachusetts regulators took 6 formal enforcement actions against Stoughton Water Department and issued 2 bans on new connections between 1990 and 2025. The most recent was a compliance order (no penalty) in April 2025.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Apr 23, 2025 | Massachusetts | Compliance order (no penalty) | 1 violation: Nitrate |
| Jul 24, 2018 | Massachusetts | Compliance order (no penalty) | 1 violation: Consumer Confidence Rule |
| May 6, 2016 | Massachusetts | Compliance order with a penalty | 4 violations (3 health-based): Total Coliform, E. coli |
| Aug 30, 2012 | Massachusetts | Compliance order (no penalty) | 1 violation: Nitrate |
| Jun 1, 2005 | Massachusetts | Compliance order (no penalty) | 1 violation (1 health-based): Nitrate |
| Jan 5, 1998 | Massachusetts | Compliance order (no penalty) | 1 violation (1 health-based): Lead and Copper Rule |
| Oct 27, 1992 | Massachusetts | Ban on new connections or service extensions | 1 violation |
| May 3, 1990 | Massachusetts | Ban on new connections or service extensions | 1 violation |
Where the water comes from
Stoughton Water Department draws water from 9 wells. It also buys water from Easton Water Div, Canton Water Dept, Randolph Water Department, Sharon Water Dept and MWRA. 1 other community water system buys water from Stoughton Water Department.
Buys water from
- Easton Water Div South Easton, MA
- Canton Water Dept Canton, MA
- Randolph Water Department Randolph, MA
- Sharon Water Dept Sharon, MA
- MWRA Chelsea, MA
Community systems that buy water from it
- Sharon Water Dept Sharon, MA
Annual water quality report
Stoughton 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