SOMERSWORTH, NH · Strafford County
SOMERSWORTH WATER WORKS Water System
Consumer Confidence Report status
SOMERSWORTH WATER WORKS 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 SOMERSWORTH WATER WORKS.
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 New Hampshire’s official records. Always confirm current status with New Hampshire before making decisions based on this information.
System facts
- System ID (PWSID)
- NH2151010
- System type
- Community Water System
- Population served
- 12,200
- Service connections
- 3,825
- Ownership
- local government
- Water source
- surface water (rivers, lakes, or reservoirs)
SOMERSWORTH WATER WORKS is among the 18 largest community water systems in New Hampshire, serving 12,200 people from surface water.
As of August 1, 2026, its federal record holds 2 entries between 2003 and 2005, all of which EPA lists as closed. Nothing has been added since 2005.
None of the 2 are monitoring or reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset; these involve water-quality, treatment, or public-notice findings instead. The record involves the Stage 1 Disinfectants and Disinfection Byproducts Rule.
Violation history
Maximum Contaminant Level Violation, Average
Health-basedTTHM
January 1, 2005 – March 31, 2005
ResolvedTreatment Technique Precursor Removal
Health-basedCARBON, TOTAL
April 1, 2003 – July 1, 2003
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| January 1, 2005 – March 31, 2005 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Resolved |
| April 1, 2003 – July 1, 2003 | Treatment Technique Precursor Removal | CARBON, TOTAL | Health-based | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- September 6, 2007State Compliance achieved11 linked violations
- February 13, 2007State Violation/Reminder Notice20 linked violations
- August 24, 2006State Violation/Reminder Notice15 linked violations
Common questions
Is SOMERSWORTH WATER WORKS required to publish a Consumer Confidence Report?
- Yes. SOMERSWORTH WATER WORKS 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 SOMERSWORTH WATER WORKS’s next Consumer Confidence Report due?
- SOMERSWORTH WATER WORKS’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does SOMERSWORTH WATER WORKS have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for SOMERSWORTH WATER WORKS.
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
CITY OF SOMERSWORTH
Phone not on record
SOMERSWORTH, NH 03878