Rebuilding New Hampshire's water, town by town

Find the wells, treatment plants, sewer lines, dams and culverts NHDES has helped fund in your community, and see how each project was paid for.

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Or browse all 91 communities.

NHDES funding committed: $239.6 million
Projects: 200
Communities: 91

Approvals from January 2021 through July 2026

Map of New Hampshire drawn from its rivers and lakes, with a light at each funded project — Each light is a funded project. Full map with filters

What the funding pays for

Six kinds of work, from PFAS treatment in small water systems to the capital plans that decide what a town builds next.

All stories

A woman fills a small sample bottle from a spigot on the side of a house — Taking a water sample from an outdoor spigot

PFAS in drinking water

Treatment, new sources, connections to public water and the planning behind them, for wells and small water systems where PFAS was found.

19 projects · $47.7 million · 14 communities

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Map of New Hampshire with the 20 projects in this story lit

Community-owned housing

Resident-owned mobile home cooperatives and condominium associations applied for ARPA grants for their own water and wastewater systems.

20 projects · $20.3 million · 16 communities

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A railed walkway crossing a covered clarifier under a radial wooden dome — A wastewater clarifier under its wooden dome

Treatment plants

Clarifiers, lagoons, filters and plant upgrades that keep treatment running as flows and standards change.

30 projects · $92.9 million · 25 communities

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Map of New Hampshire with the 28 projects in this story lit

Dams, culverts and floods

Dam repairs, culvert replacements, flood studies and stormwater projects that help communities handle high water.

28 projects · $19.7 million · 25 communities

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Two men stand looking over screening equipment and red valves inside a treatment facility — Inside Jaffrey's wastewater treatment facility

ARPA combined with other programs

Many systems combined an ARPA grant with State Revolving Fund, PFAS loan fund or Trust Fund money to pay for a larger project.

63 projects · $187.3 million · 41 communities

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Map of New Hampshire with the 73 projects in this story lit

Planning, asset management and cybersecurity

Inventories, capital plans, energy audits and cybersecurity upgrades: the groundwork that decides what gets built next.

73 projects · $8 million · 51 communities

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Latest approvals

The most recent projects to receive a funding commitment.

All 200 projects

Where the money comes from

Five federal and state programs, often combined on a single project.

How each program works

$100.2 millionAmerican Rescue Plan ActFederal American Rescue Plan Act of 2021 funds that NHDES awarded as grants.
$88.9 millionClean Water State Revolving FundLow-interest loans for wastewater, stormwater and other clean water projects.
$30.4 millionDrinking Water State Revolving FundLow-interest loans for public drinking water systems.
$13.2 millionPFAS Remediation Loan FundState loans to treat or replace water supplies affected by PFAS.
$6.7 millionDrinking Water and Groundwater Trust FundState trust fund grants and loans that protect drinking water and groundwater.

Take the data with you

Every project on this site is in the downloads, with its funding by program, approval date and location. The files are refreshed with each NHDES update, up to twice a year.

How to use this site