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 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)
- NH0142020
- System type
- Community Water System
- Population served
- 83
- Service connections
- 33
- Ownership
- privately owned
- Water source
- groundwater (wells)
LOCKE LAKE WATER SYS/SEC S is one of 877 community water systems in New Hampshire in the 500 or fewer people size category, formerly serving 83 people from groundwater.
EPA's federal records list this system as inactive in 2009; the record below is historical.
As of August 1, 2026, its federal record holds 1 entry in 1995, all of which EPA lists as closed. Nothing has been added since 1995.
All 1 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 inorganic chemicals.
Violation history
Monitoring, Regular
—Antimony, Total
January 1, 1995 – December 31, 1995
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| January 1, 1995 – December 31, 1995 | Monitoring, Regular | Antimony, Total | — | 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