Aquatic Invasive Plant Control Grants
New Hampshire Department of Environmental Services
Reimbursement grants to control state-listed exotic aquatic plants in lakes.
Varies — check official page
ExpectedGrantEnvironment & WaterParks & Recreation
The catch: Funded by reimbursement on invoice under the grant agreement; contractor bids or quotes must be reviewed by NHDES.
Next deadline: Expected: September 2027 · Annual; completed application due September 15 of each year, bids/quotes October 15, awards announced November 30
Eligibility, how to apply, match, contact
- Eligibility
- Local lake associations and municipalities dealing with state-listed exotic aquatic plants.
- How to apply
- Direct application: submit the Application for Grant on NH Online Forms by September 15, then send bids or quotes by October 15.
- Applicant types
- Nonprofit, Public Agency
- Award size
- Varies — check official page
- Disbursement
- Reimbursement(s)
- Geography
- Statewide
- Submit via
- Yes — NH Online Forms
Aquatic Invasive Plant Prevention and Research Grants
New Hampshire Department of Environmental Services
Grants to prevent exotic aquatic plant infestations and fund university research on them.
Varies — check official page
ExpectedGrantEnvironment & WaterScience, Technology, and Research & Development
The catch: Reimbursement on invoice per the grant agreement; final report due by December 31 unless other arrangements are made.
Next deadline: Expected: November 2026 · Annual; announced September 15, applications due November 30 of each year, recipients announced by February 1, final report due by December 31
Eligibility, how to apply, match, contact
- Eligibility
- Local lake associations and municipalities (prevention); institutions of higher learning (research).
- How to apply
- Direct application: submit the Exotic Aquatic Weed Infestation Prevention Grant Application or the Research Grant Application on NH Online Forms by November 30.
- Applicant types
- Nonprofit, Public Agency, Higher Education
- Award size
- Varies — check official page
- Disbursement
- Reimbursement(s)
- Geography
- Statewide
- Submit via
- Yes — NH Online Forms
Aquatic Resource Mitigation (ARM) Fund Grants
New Hampshire Department of Environmental Services
Competitive grants from wetland in-lieu fee payments to restore, enhance, create or preserve aquatic resources in the same watershed.
Varies — check official page (2026 Ledger lists funds available per service area)
Confirm with agencyGrantEnvironment & Water
The catch: Minimum five years of performance monitoring, permanent legal protection and long-term stewardship, a Governor and Council grant agreement and an approved federal mitigation plan before any work; SPA requests also need SSC, IRT, Wetlands Council and Governor and Council approval.
Next deadline: Varies — check official page · RFPs issued by service area when funds accrue; next ARM RFP solicitation planned for spring 2027; Special Project Assistance considered on a rolling basis through calendar 2026
Eligibility, how to apply, match, contact
- Eligibility
- Projects located in a service area with sufficient funds that offset lost resource types, acreage and functions there, with at least five years of monitoring and permanent legal protection of the site and buffers.
- How to apply
- Direct application: respond to the ARM RFP for your service area with the required reference checklist materials; for Special Project Assistance, contact [email protected] to discuss eligibility first.
- Applicant types
- Public Agency, Nonprofit
- Award size
- Varies — check official page (2026 Ledger lists funds available per service area)
- Funding source
- Other
- Geography
- Statewide, by nine watershed service areas
- Contact
- email: [email protected];
Brownfields Assessment Program (Technical Assistance Grant)
New Hampshire Department of Environmental Services
NHDES-provided site assessment and cleanup planning for potentially contaminated local properties.
In-kind site assessment and cleanup planning services
Confirm with agencyIn-kindEnvironment & WaterHousing, Community and Economic Development
The catch: Services, not cash; awarded only if the project is eligible and funds are available.
Next deadline: Varies — check official page · Requests accepted through an application form; no deadline published
Eligibility, how to apply, match, contact
- Eligibility
- Municipalities, nonprofits and other eligible public entities with potentially contaminated properties; subject to NHDES eligibility review and available funds.
- How to apply
- Direct application: submit the brownfields assessment application on NH Online Forms.
- Applicant types
- Public Agency, Nonprofit
- Award size
- In-kind site assessment and cleanup planning services
- Geography
- Statewide
- Submit via
- Yes — NH Online Forms
- Contact
- name: Melinda Bubier, Brownfields Supervisor; email: [email protected];
Brownfields Cleanup Grants
New Hampshire Department of Environmental Services
Competitive cleanup grants of up to $200,000 per brownfields site.
Up to $200,000 per site
Confirm with agencyGrantEnvironment & WaterHousing, Community and Economic Development
The catch: All grants are subject to Governor and Executive Council approval.
Next deadline: Varies — check official page · Biennial competition; on hold for 2024, tentatively resuming in 2026; no round posted
Eligibility, how to apply, match, contact
- Eligibility
- Sites whose redevelopment or reuse is complicated by the presence or potential presence of hazardous substances or contaminants; contact NHDES Brownfields for current eligibility.
- How to apply
- Direct application: submit the Cleanup Grant Application on NH Online Forms when a competition opens; contact the Brownfields Supervisor in the interim.
- Applicant types
- Public Agency, Nonprofit
- Award size
- Up to $200,000 per site
- Geography
- Statewide
- Submit via
- Yes — NH Online Forms
- Contact
- name: Melinda Bubier, Brownfields Supervisor; email: [email protected]; tel: (603) 271-2183;
Brownfields Cleanup Revolving Loan Fund
New Hampshire Department of Environmental Services
Low-interest loans to clean up and redevelop contaminated properties.
Varies — check official page
Confirm with agencyLoanEnvironment & WaterHousing, Community and Economic Development
The catch: Loans must be repaid; cleanup must meet NHDES remediation requirements.
Next deadline: Varies — check official page · No application deadline published
Eligibility, how to apply, match, contact
- Eligibility
- Property owners, developers and municipalities cleaning up and redeveloping contaminated (brownfields) properties.
- How to apply
- Direct application: use the RLF forms on NH Online Forms linked from the Brownfields page.
- Applicant types
- Business, Public Agency, Individual
- Award size
- Varies — check official page
- Geography
- Statewide
- Submit via
- Yes — NH Online Forms
Clean Vessel Act Boat Pumpout Grants
New Hampshire Department of Environmental Services
75% reimbursement to install and run boat pumpouts and dump stations.
75% of total project cost
Confirm with agencyGrantMatch 25%Environment & WaterParks & Recreation
The catch: No retroactive funding: work cannot start until the grant is approved by the NHDES commissioner or Governor and Executive Council; public access, a $5 fee cap and lifetime maintenance of new facilities are required.
Next deadline: Varies — check official page · Apply by email any time; approval typically 1-3 months when funds are available, a year or more when they are not
Eligibility, how to apply, match, contact
- Eligibility
- Any organization; facilities must be publicly available at reasonable times, charge $5 or less per pumpout or dump, and new facilities must be maintained for their useful life.
- How to apply
- Direct application: email [email protected] with a project description, estimated cost and location; the coordinator confirms eligibility and drafts the grant paperwork.
- Applicant types
- Business, Nonprofit, Public Agency, Other Legal Entity
- Award size
- 75% of total project cost
- Funding source
- Federal
- Match
- 25%
- Disbursement
- Reimbursement(s)
- Geography
- Statewide
- Submit via
- Yes — by email
- Contact
- email: [email protected];
Clean Water State Revolving Fund (CWSRF)
New Hampshire Department of Environmental Services
Below-market loans, with possible principal forgiveness, for wastewater, stormwater and nonpoint source water quality projects.
Varies — check official page
Confirm with agencyLoanEnvironment & Water
The catch: Federal cross-cutters apply: environmental review before construction, Disadvantaged Business Enterprise rules, Davis-Bacon wage rates and American Iron and Steel. Loans need Governor and Council approval, the first disbursement request is due within six months of loan execution, and project certifications (fiscal sustainability plan, completion, performance) are required.
Next deadline: Varies — check official page · Annual; pre-applications solicited each spring, ranked into a Project Priority List published in the Intended Use Plan, with public comment each August; approved projects then submit a loan application
Applicant tip: Recipients get the lower of the rate at loan origination or at loan closure, so locking in early carries no downside.
Eligibility, how to apply, match, contact
- Eligibility
- Communities, nonprofits and other local government entities with wastewater, stormwater, nonpoint source or related planning projects; projects must be ranked onto the Project Priority List from a spring pre-application.
- How to apply
- Direct application: submit a pre-application during the spring solicitation; projects approved on the current Project Priority List then file the CWSRF loan application through NH Online Forms with the authority to borrow.
- Applicant types
- Public Agency, Nonprofit
- Award size
- Varies — check official page
- Funding source
- Federal and State
- Disbursement
- Reimbursement(s)
- Geography
- Statewide
- Submit via
- Yes — loan application on NH Online Forms
Community Water System Atmospheric Tank Cleaning and Inspection Program
New Hampshire Department of Environmental Services
A state-hired contractor cleans and inspects small community water storage tanks at no charge.
In-kind tank cleaning, inspection and findings report
OpenIn-kindEnvironment & Water
The catch: The system must coordinate with a certified operator to prepare the tank and oversee the work (emptying it, manway access, alternate water supply); those costs are not reimbursed.
Next deadline: Dec 4, 2026 · Currently accepting applications until December 4, 2026
Eligibility, how to apply, match, contact
- Eligibility
- Active community water systems with potable atmospheric water storage tanks of 25,000 gallons or less and a population served of 1,000 or less.
- How to apply
- Direct application: submit the Community Water System Atmospheric Tank Cleaning and Inspection Program Application on NH Online Forms.
- Applicant types
- Public Agency, Business, Nonprofit
- Award size
- In-kind tank cleaning, inspection and findings report
- Geography
- Statewide
- Submit via
- Yes — NH Online Forms
Consolidation Study Grants for Small Systems
New Hampshire Department of Environmental Services
Feasibility studies of connecting a small contaminated water system to a larger one.
Up to $10,000 per eligible water system
OpenGrantNo matchEnvironment & Water
The catch: An asset management business plan (NHDES template or equivalent) is a condition of funding and counts against the $10,000 cap; the applicant needs a state vendor code.
Next deadline: Rolling · Rolling; "accepted any time and evaluated by NHDES on a case-by-case basis"
Eligibility, how to apply, match, contact
- Eligibility
- Community water systems serving up to 1,000 people, or nonprofit non-transient non-community systems, with a source exceeding a New Hampshire MCL or Ambient Groundwater Quality Standard.
- How to apply
- Direct application: submit the Consolidation Study Assistance Program application on NH Online Forms.
- Applicant types
- Public Agency, Business, Nonprofit
- Award size
- Up to $10,000 per eligible water system
- Funding source
- Other
- Match
- Not Required
- Geography
- Statewide
- Submit via
- Yes — NH Online Forms
Cyanotoxin Monitoring Equipment and Training Grants
New Hampshire Department of Environmental Services
Equipment and planning grants so surface-water systems can monitor for cyanobacteria blooms and cyanotoxins.
Varies — check official page
OpenGrantEnvironment & WaterHealth & Human Services
The catch: Projects that collect or analyze water quality data require a QAPP (or SSPP where the approved QAPP is deviated from); quarterly reporting required.
Next deadline: Rolling · Rolling; "Grant applications are accepted on a rolling basis"
Applicant tip: If your equipment and activities are covered by the EPA Cyanobacteria Monitoring Collaborative QAPP, you may be able to cite it instead of writing your own.
Eligibility, how to apply, match, contact
- Eligibility
- New Hampshire public water systems that utilize surface water sources.
- How to apply
- Direct application: submit the Grant Application Packet on NH Online Forms; awardees file a Grant Award Form Request and quarterly reports.
- Applicant types
- Public Agency, Business, Nonprofit
- Award size
- Varies — check official page
- Disbursement
- Reimbursement(s)
- Geography
- Statewide
- Submit via
- Yes — NH Online Forms
Drinking Water and Groundwater Trust Fund Construction Project Assistance Program
New Hampshire Department of Environmental Services
Trust-fund loans and grants for drinking water infrastructure, contamination fixes and system expansion.
Varies — check official page
ExpectedGrant or loanEnvironment & Water
The catch: Grant eligibility is limited by the 60% full-time occupancy rule; aging-infrastructure projects are expected to carry mostly loan; awards need final funding approval and follow Env-Dw 1300 grant and loan rules.
Next deadline: Expected: September 2027 · Annual Funding Round; 2026 round applications were due Thursday, September 24, 2026 (webinar August 24, 2026)
Eligibility, how to apply, match, contact
- Eligibility
- Eligible applicants listed above; projects must meet RSA 485-F:4, VII(a) and the Advisory Commission's construction rules. Grants go only to communities with at least 60% full-time occupancy; communities with more than 40% part-time occupancy are loan-only.
- How to apply
- Direct application: submit the DWGTF Construction Project Assistance Application on NH Online Forms during the annual round; see the step-by-step guidance and FAQs on the program page.
- Applicant types
- Public Agency, Business, Nonprofit, Other Legal Entity
- Award size
- Varies — check official page
- Funding source
- Other
- Geography
- Statewide
- Submit via
- Yes — NH Online Forms
- Statutory authority
- RSA 485-F
Drinking Water and Groundwater Trust Fund Source Water Protection Grant Program
New Hampshire Department of Environmental Services
Competitive grants to permanently protect drinking water supply lands.
Varies — check official page ($1.9 million allocated for the 2026 round)
Confirm with agencyGrantEnvironment & WaterParks & Recreation
The catch: Protected land must carry the program's required deed language to permanently protect the water supply; read the deed requirements before applying.
Next deadline: Varies — check official page · Annual Funding Round with an eligibility pre-application; 2026 funding applications were due August 27, 2026
Eligibility, how to apply, match, contact
- Eligibility
- Projects that protect existing public water supply sources or prepare for future supply; the Eligible Lands Mapper and FAQs define eligible land. Funding applications are accepted only from pre-applicants deemed eligible.
- How to apply
- Direct application: two-step; submit a pre-application, and if deemed eligible, a funding application per the Application and Funding Process page.
- Applicant types
- Public Agency, Nonprofit, Business
- Award size
- Varies — check official page ($1.9 million allocated for the 2026 round)
- Funding source
- Other
- Geography
- Statewide
- Statutory authority
- Env-Dw 1002 (Water Supply Land Protection Grant Program rules)
Drinking Water State Revolving Fund (DWSRF)
New Hampshire Department of Environmental Services
Low-interest loans, with principal forgiveness for eligible systems, for drinking water infrastructure.
Varies — check official page
ExpectedLoanEnvironment & WaterHealth & Human Services
The catch: Loans need Governor and Council approval (formal closing for privately owned systems) and a completed environmental review before construction; federal provisions apply, including American Iron and Steel and Build America Buy America certifications, a single audit where required, and asset management or business plan deliverables.
Next deadline: Expected: June 2027 · Annual; pre-applications solicited "annually in the spring of each year"; the 2026 deadline was June 1, 2026 (closed). Draft Project Priority List in July, public comment in August; selected applicants file a final application by spring of the following year
Eligibility, how to apply, match, contact
- Eligibility
- Publicly or privately owned community water systems and non-transient non-profit public water systems in New Hampshire.
- How to apply
- Direct application: submit a spring pre-application; projects ranked for funding then submit the DWSRF final application and checklist forms through NH Online Forms, after which loan documents go to Governor and Council.
- Applicant types
- Public Agency, Business, Nonprofit
- Award size
- Varies — check official page
- Funding source
- Federal
- Disbursement
- Reimbursement(s)
- Geography
- Statewide
- Submit via
- Yes — final application on NH Online Forms
Household Hazardous Waste Collection Grant Program
New Hampshire Department of Environmental Services
Matching grants for local and regional household hazardous waste collection events.
Varies — check official page (calculated under Env-Hw 1003.08)
ExpectedGrantMatch 1:1Environment & Water
The catch: Paid only after the last event: within 90 days you must file Form HWM-8 with costs, receipts, manifests and outreach materials. Contracts need wet signatures, insurance naming NHDES, and possible Governor and Council approval; multi-town projects need commitment letters from each municipality.
Next deadline: Expected: February 2027 · Annual; Form HWM-7 is submitted between October 1 and February 1 prior to the fiscal year in which the collection occurs
Eligibility, how to apply, match, contact
- Eligibility
- Municipalities and approved regional entities holding HHW collection events; recipients must be in compliance with hazardous waste rules.
- How to apply
- Direct application: submit Form HWM-7 (Household Hazardous Waste Grant Application) on NH Online Forms between October 1 and February 1, then return the signed contract with a Certificate of Authority, Certificate of Insurance and compliance certification.
- Applicant types
- Public Agency
- Award size
- Varies — check official page (calculated under Env-Hw 1003.08)
- Funding source
- State
- Match
- 1:1
- Disbursement
- Reimbursement(s)
- Geography
- Statewide
- Submit via
- Yes — NH Online Forms (contract needs hard copy wet signatures)
- Contact
- email: [email protected]; tel: (603) 271-2047;
Lead in Drinking Water Remediation Grant for Licensed Child Care Facilities
New Hampshire Department of Environmental Services
Up to 100% reimbursement, including labor, for removing lead at child care faucets testing at or above 5 ppb.
Up to 100% of remediation costs, including labor
Confirm with agencyGrantNo matchEnvironment & WaterHealth & Human Services
The catch: Reimbursement only, from a fixed allocation; previously reimbursed costs are excluded.
Next deadline: Varies — check official page · No deadline published; funded from a $400,000 allocation
Applicant tip: Work done as far back as May 17, 2016 qualifies, so gather old plumbing invoices.
Eligibility, how to apply, match, contact
- Eligibility
- Licensed child care facilities in New Hampshire with faucets testing at five parts per billion lead or above; costs previously submitted for reimbursement are ineligible.
- How to apply
- Direct application: contact the program (Elsbeth Connolly) for the reimbursement process.
- Applicant types
- Business, Nonprofit, Other Legal Entity
- Award size
- Up to 100% of remediation costs, including labor
- Funding source
- Other
- Match
- Not Required
- Disbursement
- Reimbursement(s)
- Geography
- Statewide
- Contact
- name: Elsbeth Connolly; email: [email protected]; tel: (603) 271-6147;
Lead Remediation Grant for Public and Nonpublic Schools
New Hampshire Department of Environmental Services
Up to 100% reimbursement for fixing school drinking water outlets that test at or above 5 ppb lead.
Up to 100% of remediation costs
OpenGrantNo matchEnvironment & WaterEducationHealth & Human Services
The catch: Reimbursement only; limited pot that closes when spent.
Next deadline: Rolling · First come, first served while funds are available
Eligibility, how to apply, match, contact
- Eligibility
- Public and nonpublic K-12 schools in New Hampshire with drinking water outlets testing at 5 ppb lead or above.
- How to apply
- Direct application: each eligible school or SAU receives an email with instructions and a Lead Remediation Removal Plan Data spreadsheet, then applies through the Lead Remediation Grant form on NH Online Forms.
- Applicant types
- School District, Nonprofit, Other Legal Entity
- Award size
- Up to 100% of remediation costs
- Funding source
- Other
- Match
- Not Required
- Disbursement
- Reimbursement(s)
- Geography
- Statewide
- Submit via
- Yes — NH Online Forms
Local Source Water Protection Grant Program
New Hampshire Department of Environmental Services
Small grants for local projects that protect public drinking water sources.
Up to $25,000 per project ($30,000 for projects that address climate change)
Confirm with agencyGrantNo matchEnvironment & Water
The catch: Only work done after Governor and Council approval of the grant agreement is funded (typically several months after January selection). Projects collecting environmental data need a QAPP or SSPP, and failing to address it means the application will not be considered. Quarterly reports and a request-for-award form are required.
Next deadline: Varies — check official page · Yearly grant rounds; applications for the 2027 round were due November 1, 2026 (closed); selections typically in January, work begins after Governor and Council approval
Applicant tip: You can submit applications for several projects in the same grant year, each up to the cap.
Eligibility, how to apply, match, contact
- Eligibility
- Projects must address active or planned sources for public water systems (planned sources need a preliminary well siting report or conceptual plan on file) and a delineation, assessment, planning, implementation or security component. Activities already required by NHDES permits or rules and routine operations or maintenance are not eligible.
- How to apply
- Direct application: complete the grant application on NH Online Forms using the grant information packet; contact NHDES first to clarify QAPP/SSPP requirements.
- Applicant types
- Public Agency, Nonprofit, Business, Higher Education
- Award size
- Up to $25,000 per project ($30,000 for projects that address climate change)
- Match
- Not Required
- Disbursement
- Reimbursement(s)
- Geography
- Statewide
- Submit via
- Yes — NH Online Forms
New Hampshire Clean Diesel Grant Program (DERA)
New Hampshire Department of Environmental Services
Reimbursement grants to replace diesel vehicles, engines and equipment and cut idling.
Varies — check official page (about $1,000,000 available)
OpenGrantTransportationEnvironment & Water
The catch: Reimbursement only; replaced vehicles or engines must meet usage, ownership and remaining-life tests stated in the RFP, and EPA DERA rules apply.
Next deadline: Rolling · Rolling monthly; applications due the 20th of every month at midnight until all funds are obligated
Applicant tip: Use the online eligibility tool and FAQ before applying; the minimum usage rules are where most fleets fail.
Eligibility, how to apply, match, contact
- Eligibility
- Eligible public, private and nonprofit applicants listed above; all projects must meet the RFP's minimum usage, ownership and remaining-life requirements (no waivers).
- How to apply
- Direct application: read RFP DES 2026-10, complete Appendix A1 (unit replacement) or A2 (plug-in idle reduction) and email the application to [email protected] by the 20th of a month.
- Applicant types
- Public Agency, School District, Higher Education, Business, Nonprofit
- Award size
- Varies — check official page (about $1,000,000 available)
- Funding source
- Federal
- Disbursement
- Reimbursement(s)
- Geography
- Statewide; bonus points for Priority New Hampshire Communities
- Submit via
- Yes — by email
- Contact
- email: [email protected]; tel: (603) 271-8330;
Petroleum Reimbursement Fund
New Hampshire Department of Environmental Services
Excess-insurance reimbursement of required cleanup costs for petroleum tank releases and gasoline ether contamination.
Varies — check official page (unit-based rates)
Confirm with agencyOtherEnvironment & Water
The catch: Reimbursement only for NHDES-required work pre-approved for scope and budget at unit-based rates; private insurance pays first except for gasoline ether claims; operating facilities must be in compliance; costs paid by insurance are not reimbursed.
Next deadline: Varies — check official page · Eligibility request, then work scope pre-approval and reimbursement claims; no application deadline published
Eligibility, how to apply, match, contact
- Eligibility
- Facility owners or landowners who obtain NHDES approval of an eligibility request (with insurance information, facility compliance and any indemnification agreement); gasoline ether claims do not require private insurance information.
- How to apply
- Direct application: submit the Request for Reimbursement Eligibility Authorization Form, then a Work Scope Authorization or Change Order form before work, upload the corrective action report to OneStop, and file the reimbursement request.
- Applicant types
- Business, Individual, Public Agency, Other Legal Entity
- Award size
- Varies — check official page (unit-based rates)
- Funding source
- State
- Disbursement
- Reimbursement(s)
- Geography
- Statewide
- Submit via
- Yes — NH Online Forms and OneStop
- Statutory authority
- RSA 146-D
PFAS Remediation Grant and Loan Fund (PFAS RLF)
New Hampshire Department of Environmental Services
Low-interest loans and grants to fix PFAS exceedances in drinking water.
Varies — check official page
OpenGrant or loanEnvironment & WaterHealth & Human Services
The catch: Engineering plans, a competitive bid and an NHDES Authorization to Award are required before construction; environmental review and Governor and Council approval come first; disbursements no more than monthly; construction signage and asset management, substantial and final completion certifications required.
Next deadline: Rolling · Rolling; "accepts eligibility requests year round", reviewed in the order received
Eligibility, how to apply, match, contact
- Eligibility
- Community water systems (public or private), non-profit non-transient public water systems and municipalities with a PFAS result above an NHDES AGQS/MCL, for remediation initiated after September 30, 2019.
- How to apply
- Direct application: submit an Eligibility Request on NH Online Forms; projects selected for funding then file a final application by the agreed deadline.
- Applicant types
- Public Agency, Business, Nonprofit
- Award size
- Varies — check official page
- Disbursement
- Reimbursement(s)
- Geography
- Statewide
- Submit via
- Yes — NH Online Forms
- Statutory authority
- RSA 485-H
PFAS Removal Rebate Program for Private Wells
New Hampshire Department of Environmental Services
Rebates for PFAS treatment systems or public water hookups for private residential wells.
Up to $5,000 for treatment; up to $10,000 for a public water connection
OpenRebateEnvironment & WaterHealth & Human Services
The catch: Rebate after installation only; one remedy per address; apply within 12 months of completion; rebates may be reported on IRS Form 1099-G; post-installation operation and maintenance not covered.
Next deadline: Rolling · Applications accepted for as long as program funding is available; apply within 12 months of installation or connection
Applicant tip: Keep the pre-installation PFAS lab report: it must be dated within three years before the system went in.
Eligibility, how to apply, match, contact
- Eligibility
- Residential property owners in New Hampshire whose private drinking water well has PFAS above a New Hampshire or EPA MCL (lab sample within three years before installation) and who have not been offered alternate water by a third party.
- How to apply
- Direct application: apply online through NH Online Forms, or by mail, email or hand delivery, with lab reports, itemized receipts, equipment specs, post-treatment results and photos; one application per residential address.
- Applicant types
- Individual
- Award size
- Up to $5,000 for treatment; up to $10,000 for a public water connection
- Disbursement
- Reimbursement(s)
- Geography
- Statewide
- Submit via
- Yes — NH Online Forms (paper also accepted)
- Contact
- email: [email protected]; tel: (603) 271-8539;
Recharge the Adventure New Hampshire (RANH) Grant Program
New Hampshire Department of Environmental Services
Reimbursement for public Level 2 EV chargers at tourism and downtown destinations.
Up to 80% of eligible costs, up to $10,000 per EVSE port; $100,000 maximum per municipality
OpenGrantMatch 20%TransportationEnergyHousing, Community and Economic Development
The catch: Reimbursement only; per-port and per-municipality caps apply regardless of applicant or site host; both application forms are required for a complete application; chargers must be publicly accessible.
Next deadline: Rolling · Rolling monthly windows closing the 15th of each month until funds are obligated; first window closes November 15, 2026; selection notices within one month
Eligibility, how to apply, match, contact
- Eligibility
- Public, private and nonprofit entities (private and nonprofit must be in good standing with the NH Secretary of State) installing publicly accessible Level 2 EVSE at sites such as parks, ski areas, downtowns, arts venues, museums and other attractions.
- How to apply
- Direct application: read the RFP (rfp-des-202626), complete Appendix A and Appendix B, and email both to [email protected] by midnight on the 15th of a month.
- Applicant types
- Public Agency, Business, Nonprofit
- Award size
- Up to 80% of eligible costs, up to $10,000 per EVSE port; $100,000 maximum per municipality
- Funding source
- Other
- Match
- 20%
- Disbursement
- Reimbursement(s)
- Geography
- Statewide; travel- and tourism-oriented locations
- Submit via
- Yes — by email
- Contact
- email: [email protected];
Safetank Program (Home Heating Oil Tank Assistance)
New Hampshire Department of Environmental Services
Financial assistance for income-qualified homeowners to upgrade, replace or remove substandard heating oil tanks.
Up to $4,000 (aboveground upgrade or replacement); up to $4,500 (underground tank removal)
Confirm with agencyGrantEnvironment & WaterDisadvantaged Communities
The catch: Income limits apply and work must be pre-approved; payment usually goes to the installer, not the homeowner.
Next deadline: Varies — check official page · No application deadline published
Applicant tip: Replace the tank before it leaks; a later cleanup through the Petroleum Reimbursement Fund requires your tank to have met NFPA 31 and NHDES best practices.
Eligibility, how to apply, match, contact
- Eligibility
- Income-qualified New Hampshire homeowners with substandard on-premises-use heating oil tanks; the program remains available if a release has already occurred.
- How to apply
- Direct application: submit the Application for Financial Assistance for Residential On-Premises-Use Fuel Oil Facility Tank Upgrade on NH Online Forms; work must be pre-approved by NHDES.
- Applicant types
- Individual
- Award size
- Up to $4,000 (aboveground upgrade or replacement); up to $4,500 (underground tank removal)
- Disbursement
- Reimbursement(s)
- Geography
- Statewide
- Submit via
- Yes — NH Online Forms
Section 319 Watershed Assistance Grants
New Hampshire Department of Environmental Services
Competitive federal pass-through grants to implement watershed-based plans that cut nonpoint source pollution.
Varies — check official page (about $540,000 total in the 2026 round)
Confirm with agencyGrantEnvironment & Water
The catch: Mandatory pre-proposal consultation; Governor and Council agreement; semiannual progress reports, a Pollutants Controlled Report after each BMP, final report and an operations and maintenance commitment for installed practices.
Next deadline: Varies — check official page · 2026 request for pre-proposals: consultation before September 4, 2026; pre-proposals due 4:00 p.m. September 11, 2026 (closed); no next round posted
Eligibility, how to apply, match, contact
- Eligibility
- Projects implementing an existing nine-element watershed-based plan or approved alternative plan with a clear water quality goal; a pre-proposal consultation with an NHDES Project Manager is required.
- How to apply
- Pass-through: consult an NHDES Project Manager, then submit the Section 319 pre-proposal application on NH Online Forms per the information package.
- Applicant types
- Public Agency, Nonprofit
- Award size
- Varies — check official page (about $540,000 total in the 2026 round)
- Funding source
- Federal
- Disbursement
- Reimbursement(s)
- Geography
- Statewide
- Submit via
- Yes — NH Online Forms
- Contact
- name: Jeff Marcoux, NHDES Project Manager (non-coastal watersheds); email: [email protected]; tel: (603) 271-8862; name: Andrea Bejtlich (coastal watershed); email: [email protected]; tel: (603) 271-8475;
Section 604(b) Water Quality Planning Grants
New Hampshire Department of Environmental Services
Competitive federal pass-through grants for water quality planning, including watershed-based plans.
Varies — check official page (about $130,000 total for the 2027 round)
Confirm with agencyGrantEnvironment & Water
The catch: Mandatory pre-proposal consultation; Governor and Council grant agreement, Certificate of Authority and vendor code; semiannual progress reports, final report and payment requests with match documentation.
Next deadline: Varies — check official page · 2027 round: pre-proposal consultation before September 4, 2026; pre-proposals due 4:00 p.m. September 11, 2026 (closed); no next round posted
Eligibility, how to apply, match, contact
- Eligibility
- Water quality planning projects as defined in the information package; a pre-proposal consultation with an NHDES Project Manager is required.
- How to apply
- Pass-through: consult an NHDES Project Manager, then submit the pre-proposal application on NH Online Forms per the information package.
- Applicant types
- Public Agency, Nonprofit
- Award size
- Varies — check official page (about $130,000 total for the 2027 round)
- Funding source
- Federal
- Disbursement
- Reimbursement(s)
- Geography
- Statewide
- Submit via
- Yes — NH Online Forms
- Contact
- name: Jeff Marcoux, NHDES Project Manager (non-coastal watersheds); email: [email protected]; tel: (603) 271-8862; name: Andrea Bejtlich (coastal watershed); email: [email protected]; tel: (603) 271-8475;
Unlined Municipal Landfill and Incinerator Closure Grant Program
New Hampshire Department of Environmental Services
Reimburses municipalities 20% of eligible costs to close unlined landfills or incinerators.
20% of eligible closure costs
Confirm with agencyGrantEnvironment & Water
The catch: Reimbursement only and contingent on legislative appropriation; closure must follow plans approved under the Solid Waste Rules.
Next deadline: Varies — check official page · No application deadline published
Eligibility, how to apply, match, contact
- Eligibility
- Municipalities closing an unlined landfill and/or incinerator under NHDES-approved plans; land acquisition (except land needed for closure), administrative, legal and fiscal costs and post-closure monitoring are ineligible.
- How to apply
- Direct application: submit the Unlined Landfill Closure Grant Application or Incinerator Closure Grant Application on NH Online Forms.
- Applicant types
- Public Agency
- Award size
- 20% of eligible closure costs
- Funding source
- State
- Disbursement
- Reimbursement(s)
- Geography
- Statewide
- Submit via
- Yes — NH Online Forms
- Statutory authority
- RSA 149-M:41-50
Used Oil Collection Gift Grant Program
New Hampshire Department of Environmental Services
Small non-matching grants to set up and run used oil collection centers for do-it-yourself oil changers.
Up to $2,500; up to $5,000 for centers serving two or more towns
Confirm with agencyGrantNo matchEnvironment & Water
The catch: Funds limited to establishing, improving or operating a DIY used oil collection center and shipping oil to a licensed recycler.
Next deadline: Varies — check official page · No application deadline published
Eligibility, how to apply, match, contact
- Eligibility
- Municipalities, counties, solid waste districts, other government entities, waste and recycling nonprofits, and registered motor vehicle inspection stations operating used oil collection centers.
- How to apply
- Direct application: submit the Used Oil Collection Assistance Grant Application on NH Online Forms.
- Applicant types
- Public Agency, Nonprofit, Business
- Award size
- Up to $2,500; up to $5,000 for centers serving two or more towns
- Match
- Not Required
- Geography
- Statewide
- Submit via
- Yes — NH Online Forms
Waste Reduction and Diversion Grant Program
New Hampshire Department of Environmental Services
New matching grants for projects that measurably improve solid waste reduction and diversion.
Varies — check official page
Confirm with agencyGrantEnvironment & Water
The catch: Matching grant; projects must demonstrate measurable waste diversion and reduction of disposal.
Next deadline: Varies — check official page · New program; first grant round information forthcoming in 2027
Eligibility, how to apply, match, contact
- Eligibility
- New Hampshire political subdivisions, private entities such as nonprofits, and businesses whose projects significantly improve waste diversion and reduce disposal.
- How to apply
- Direct application: watch for the first-round announcement; the application will be fully electronic. Questions to [email protected].
- Applicant types
- Public Agency, Nonprofit, Business
- Award size
- Varies — check official page
- Funding source
- State
- Geography
- Statewide
- Submit via
- Yes — fully electronic (announced)
- Contact
- email: [email protected];
- Statutory authority
- RSA 149-R:4, III
Wastewater State Aid Grants (SAG)
New Hampshire Department of Environmental Services
State reimbursement of 20% or 30% of eligible municipal wastewater design and construction costs.
20% or 30% of eligible costs (SAG Plus up to 50% combined)
Confirm with agencyGrantEnvironment & Water
The catch: Reimbursement only, paid after construction; the project must be on the priority list via pre-application and go through NHDES design review and construction oversight.
Next deadline: Varies — check official page · No fixed deadline published; a pre-application places the project on the SAG Project Priority List and the grant application is filed after construction is complete
Eligibility, how to apply, match, contact
- Eligibility
- New Hampshire municipalities with eligible wastewater infrastructure projects that are on the SAG Project Priority List.
- How to apply
- Direct application: submit the SAG pre-application on NH Online Forms to be added to the Project Priority List, then submit the SAG application upon completion of construction.
- Applicant types
- Public Agency
- Award size
- 20% or 30% of eligible costs (SAG Plus up to 50% combined)
- Funding source
- State
- Disbursement
- Reimbursement(s)
- Geography
- Statewide
- Submit via
- Yes — NH Online Forms
- Statutory authority
- RSA 486
Water System Sustainability Grant Program
New Hampshire Department of Environmental Services
Capacity-development grants for asset management, strategic planning and water rate studies at community water systems.
Varies — check official page
OpenGrantEnvironment & Water
The catch: Grant types are limited to asset management, strategic planning and rate studies; see the guidance document for deliverables and reporting.
Next deadline: Dec 11, 2026 · 2026 round open; applications due December 11, 2026
Eligibility, how to apply, match, contact
- Eligibility
- New Hampshire community water systems.
- How to apply
- Direct application: complete the Water System Sustainability Grant Application on NH Online Forms using the application guidance document.
- Applicant types
- Public Agency, Business, Nonprofit
- Award size
- Varies — check official page
- Geography
- Statewide
- Submit via
- Yes — NH Online Forms
- Contact
- email: [email protected];
