Public water system record
Medfield Water Dept.
Serves an area of Norfolk County, MA that includes Medfield · 12,894 people served
Federal records show 1 health-based violation and 1 monitoring/reporting issue for Medfield Water Dept. in the last ten years. The most serious issue in this window was a resolved Revised Total Coliform Rule violation.
System profile
- Health-based violations, last 10 years
- 1
- Resolved
- 1
- Unresolved
- 0
- Any acute record
- Yes
- Monitoring issues, last 10 years
- 1
Key facts
- Medfield Water Dept. draws water from 5 wells.
- Most recent formal enforcement: compliance order (no penalty) by Massachusetts, March 2012.
- Record on file since 1991, with 13 health-based violations before October 19, 2016.
- Lead pipe inventory: 1 lead and 0 unknown out of 4,022 service lines.
Check whether Medfield Water Dept. 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 |
|---|---|---|---|---|
|
Revised Total Coliform Rule
Contaminant limit exceeded
|
110 | Oct 1, 2018 | Resolved | Yes |
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
|
Sep 1, 2022 | Resolved |
Full record since 1991
EPA's records for Medfield Water Dept. go back to 1991. Before October 19, 2016 they list 13 health-based violations (11 resolved, 2 archived by EPA without a recorded fix) and 70 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 1 | 23 |
| 2000s | 1 | 47 |
| 2010 to October 18, 2016 | 11 | 0 |
| October 19, 2016 to 2019 | 1 | 0 |
| 2020s | 0 | 1 |
Most recent health-based violation before October 19, 2016: Total Coliform, began July 2012, Resolved.
Show all 13 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 2012 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jan 1, 2012 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Dec 1, 2011 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 2011 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 2011 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2011 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 2011 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jun 1, 2011 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Nov 1, 2010 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 2010 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 2010 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
May 1, 2001 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 1993 | Archived |
Enforcement actions
Massachusetts regulators took 12 formal enforcement actions against Medfield Water Dept. between 1993 and 2012. The most recent was a compliance order (no penalty) in March 2012.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Mar 6, 2012 | Massachusetts | Compliance order (no penalty) | 2 violations (2 health-based): Total Coliform |
| Feb 4, 2011 | Massachusetts | Compliance order (no penalty) | 1 violation (1 health-based): Total Coliform |
| Nov 16, 2010 | Massachusetts | Compliance order (no penalty) | 2 violations (2 health-based): Total Coliform |
| Dec 11, 2009 | Massachusetts | Compliance order (no penalty) | 1 violation: Consumer Confidence Rule |
| Sep 4, 2008 | Massachusetts | Compliance order (no penalty) | 22 violations: Xylenes, Total, 1,2,4-Trichlorobenzene, Trichloroethylene, 1,1-Dichloroethylene, 1,1,1-Trichloroethane |
| Dec 12, 2006 | Massachusetts | Compliance order (no penalty) | 1 violation: Chlorine |
| Aug 18, 2006 | Massachusetts | Compliance order (no penalty) | 1 violation: Chlorine |
| Aug 7, 2001 | Massachusetts | Compliance order (no penalty) | 1 violation: Lead and Copper Rule |
| Jul 6, 2001 | Massachusetts | Compliance order (no penalty) | 1 violation (1 health-based): Total Coliform |
| Aug 7, 2000 | Massachusetts | Compliance order (no penalty) | 21 violations: Styrene, 1,2,4-Trichlorobenzene, cis-1,2-Dichloroethylene, Xylenes, Total, o-Dichlorobenzene |
| Jan 27, 1998 | Massachusetts | Compliance order (no penalty) | 21 violations: 1,2-Dichloroethane, 1,1,1-Trichloroethane, Carbon tetrachloride, Trichloroethylene, Tetrachloroethylene |
| Dec 16, 1993 | Massachusetts | Compliance order (no penalty) | 1 violation (1 health-based): Total Coliform |
What the violations mean
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
Medfield Water Dept. draws water from 5 wells.
Annual water quality report
Medfield Water Dept. 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