SOUTH DENNIS, MA · Barnstable County
DENNIS WATER DISTRICT Water System
Consumer Confidence Report status
DENNIS 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 DENNIS 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)
- MA4075000
- System type
- Community Water System
- Population served
- 65,000
- Service connections
- 14,626
- Ownership
- local government
- Water source
- groundwater (wells)
DENNIS WATER DISTRICT is among the 21 largest community water systems in Massachusetts, serving 65,000 people from groundwater.
As of August 1, 2026, EPA's published records contain no violations for this system.
Violation history
No violations on record for this system.
Enforcement actions
No enforcement actions on record for this system.
Common questions
Is DENNIS WATER DISTRICT required to publish a Consumer Confidence Report?
- Yes. DENNIS 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 DENNIS WATER DISTRICT’s next Consumer Confidence Report due?
- DENNIS WATER DISTRICT’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does DENNIS WATER DISTRICT have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for DENNIS 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
DENNIS WATER DISTRICT
5083983351
SOUTH DENNIS, MA 02660