MERRIMAC, MA · Essex County
MERRIMAC WATER DEPARTMENT Water System
Consumer Confidence Report status
MERRIMAC WATER DEPARTMENT must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.
As of August 1, 2026, EPA's federal records show no open violations for MERRIMAC WATER DEPARTMENT.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 2026. This is a record-keeping and public-information tool — it does not replace Massachusetts’s official records. Always confirm current status with Massachusetts before making decisions based on this information.
System facts
- System ID (PWSID)
- MA3180000
- System type
- Community Water System
- Population served
- 6,988
- Service connections
- 1,980
- Ownership
- local government
- Water source
- groundwater (wells)
MERRIMAC WATER DEPARTMENT is one of 93 community water systems in Massachusetts in the 3,301 to 10,000 people size category, serving 6,988 people from groundwater.
As of August 1, 2026, its federal record holds 5 entries between 1979 and 2014, all of which EPA lists as closed. Nothing has been added since 2014.
Of the 5, 4 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves volatile organic chemicals, inorganic chemicals, and synthetic organic chemicals.
Violation history
Monitoring, Regular
—Nitrite
April 1, 2014 – June 30, 2014
ArchivedMonitoring, Regular
—Endrin
January 1, 2013 – March 31, 2013
ResolvedMonitoring, Regular
—1,2-Dichloroethane
October 1, 2000 – December 31, 2000
ArchivedMonitoring, Regular
—Ethylbenzene
October 1, 2000 – December 31, 2000
ArchivedNotification, Public
—No contaminant on record
November 30, 1979 – December 29, 1979
Archived
Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| April 1, 2014 – June 30, 2014 | Monitoring, Regular | Nitrite | — | Archived |
| January 1, 2013 – March 31, 2013 | Monitoring, Regular | Endrin | — | Resolved |
| October 1, 2000 – December 31, 2000 | Monitoring, Regular | 1,2-Dichloroethane | — | Archived |
| October 1, 2000 – December 31, 2000 | Monitoring, Regular | Ethylbenzene | — | Archived |
| November 30, 1979 – December 29, 1979 | Notification, Public | — | — | Archived |
Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state
Enforcement actions
No enforcement actions on record for this system.
Common questions
Is MERRIMAC WATER DEPARTMENT required to publish a Consumer Confidence Report?
- Yes. MERRIMAC WATER DEPARTMENT is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is MERRIMAC WATER DEPARTMENT’s next Consumer Confidence Report due?
- MERRIMAC WATER DEPARTMENT’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does MERRIMAC WATER DEPARTMENT have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for MERRIMAC WATER DEPARTMENT.
What is a Consumer Confidence Report?
- A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.
Contact
MERRIMAC WATER DEPARTMENT
9783468407
MERRIMAC, MA 01860