Drinking Water Compliance OS

MERRIMACK, NH · Belknap County

LOCKE LAKE WATER SYS/SEC S Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of June 1, 2009. It is no longer an operating public water system under this PWSID, and no compliance deadlines — including the 2027 Consumer Confidence Report rule — apply to it.

If you are a resident looking for your current water provider, see water systems in Belknap County, NH.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 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)
NH0142020
System type
Community Water System
Population served
83
Service connections
33
Ownership
privately owned
Water source
groundwater (wells)

Violation history

  • Monitoring, Regular

    Fluoride

    January 1, 1995 – December 31, 1995

    Resolved
  • Monitoring, Regular

    Antimony, Total

    January 1, 1995 – December 31, 1995

    Resolved

Resolved addressed and confirmed by the state

Enforcement actions

No enforcement actions on record for this system.

Last known contact on file (system is inactive)

PITTSFIELD AQUEDUCT CO

Phone not on record

MERRIMACK, NH 03054