New Hampshire Water Systems

New Hampshire public water system directory

This directory lists the public water system profiles currently available for New Hampshire. It is not a complete statewide inventory, and it is not an address-level service lookup.

Compare Systems

3 available New Hampshire system records

Compare the PWSID, linked community, source-water context, and report year currently available for each New Hampshire record.

All systems are shown.

PWSIDSystemCitiesCountiesSource waterViolation records shownLatest CCR
NH0501010CONCORD WATER DEPTConcordNot verifiedThe 2025 report identifies Penacook Lake as the primary surface-water supply, with a Contoocook River transfer during demand and the Pembroke wellfield as emergency backupNo violation records shown in available records2025
NH0611010DERRY WATER DEPTDerryNot verifiedThe 2025 Derry Core Water System report says it buys treated water from Manchester Water Works, whose source is Lake MassabesicNo violation records shown in available records2025
NH0651010DOVER WATER DEPTDoverNot verifiedThe 2025 report says Dover draws drinking water from ten production wells accessing four underground aquifersNo violation records shown in available records2025
PWSIDNH0501010
SystemCONCORD WATER DEPT
CitiesConcord
CountiesNot verified
Source waterThe 2025 report identifies Penacook Lake as the primary surface-water supply, with a Contoocook River transfer during demand and the Pembroke wellfield as emergency backup
Violation records shownNo violation records shown in available records
Latest CCR2025
PWSIDNH0611010
SystemDERRY WATER DEPT
CitiesDerry
CountiesNot verified
Source waterThe 2025 Derry Core Water System report says it buys treated water from Manchester Water Works, whose source is Lake Massabesic
Violation records shownNo violation records shown in available records
Latest CCR2025
PWSIDNH0651010
SystemDOVER WATER DEPT
CitiesDover
CountiesNot verified
Source waterThe 2025 report says Dover draws drinking water from ten production wells accessing four underground aquifers
Violation records shownNo violation records shown in available records
Latest CCR2025

Profiles

Open a New Hampshire public water system profile

Each of these 3 profiles keeps its source links, annual-report details, limitations, and summarized CCR entries together.

Last updated: State data

CONCORD WATER DEPT

PWSID NH0501010

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System-level profile for Concord. Use it to review report-year context, source links, available violation records, contaminant relationships, and limitations.

System type
Communities
Concord
Counties
County not listed
Latest CCR
2025
Last updated: State data

DERRY WATER DEPT

PWSID NH0611010

View system profile

System-level profile for Derry. Use it to review report-year context, source links, available violation records, contaminant relationships, and limitations.

System type
Communities
Derry
Counties
County not listed
Latest CCR
2025
Last updated: State data

DOVER WATER DEPT

PWSID NH0651010

View system profile

System-level profile for Dover. Use it to review report-year context, source links, available violation records, contaminant relationships, and limitations.

System type
Communities
Dover
Counties
County not listed
Latest CCR
2025