SUDBURY, MA · Middlesex County
SUDBURY WATER DISTRICT Water System
Consumer Confidence Report status
SUDBURY WATER DISTRICT 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 SUDBURY WATER DISTRICT.
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)
- MA3288000
- System type
- Community Water System
- Population served
- 18,416
- Service connections
- 6,288
- Ownership
- local government
- Water source
- groundwater (wells)
SUDBURY WATER DISTRICT is one of 168 community water systems in Massachusetts in the 10,001 to 100,000 people size category, serving 18,416 people from groundwater.
As of August 1, 2026, its federal record holds 8 entries between 1999 and 2001, all of which EPA lists as closed. Nothing has been added since 2001.
All 8 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 synthetic organic chemicals and volatile organic chemicals.
Violation history
Monitoring, Regular
—Pentachlorophenol
July 1, 2001 – September 30, 2001
ResolvedMonitoring, Regular
—Aldicarb
July 1, 1999 – September 30, 1999
ArchivedMonitoring, Regular
—Atrazine
July 1, 1999 – September 30, 1999
ArchivedMonitoring, Regular
—2,4-D
July 1, 1999 – September 30, 1999
ArchivedMonitoring, Regular
—Dinoseb
July 1, 1999 – September 30, 1999
ArchivedMonitoring, Regular
—Chlordane
July 1, 1999 – September 30, 1999
ArchivedMonitoring, Regular
—1,1,1-Trichloroethane
July 1, 1999 – September 30, 1999
ArchivedMonitoring, Regular
—2,4,5-TP
July 1, 1999 – September 30, 1999
Archived
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| July 1, 2001 – September 30, 2001 | Monitoring, Regular | Pentachlorophenol | — | Resolved |
| July 1, 1999 – September 30, 1999 | Monitoring, Regular | Aldicarb | — | Archived |
| July 1, 1999 – September 30, 1999 | Monitoring, Regular | Atrazine | — | Archived |
| July 1, 1999 – September 30, 1999 | Monitoring, Regular | 2,4-D | — | Archived |
| July 1, 1999 – September 30, 1999 | Monitoring, Regular | Dinoseb | — | Archived |
| July 1, 1999 – September 30, 1999 | Monitoring, Regular | Chlordane | — | Archived |
| July 1, 1999 – September 30, 1999 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Archived |
| July 1, 1999 – September 30, 1999 | Monitoring, Regular | 2,4,5-TP | — | Archived |
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
No enforcement actions on record for this system.
Common questions
Is SUDBURY WATER DISTRICT required to publish a Consumer Confidence Report?
- Yes. SUDBURY WATER DISTRICT 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 SUDBURY WATER DISTRICT’s next Consumer Confidence Report due?
- SUDBURY WATER DISTRICT’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does SUDBURY WATER DISTRICT have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for SUDBURY WATER DISTRICT.
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
SUDBURY WATER DISTRICT
9784436602
SUDBURY, MA 01776