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    Top Water Treatment Accelerators & VCs (2026)

    Browse water treatment startup programs and VCs with updated offers, deadlines, and funding for 2026.

    Updated Jun 2026

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    30 VCs found

    Elemental Excelerator logo
    Accelerator

    Elemental Excelerator

    Elemental is a leading non-profit investor focused on scaling climate solutions and social impact for all communities.

    OpenCan lead
    Elemental Excelerator: Elemental is a leading non-profit investor focused on scaling climate solutions and social impact for all communities.. Stage: Seed, Series A +4. Focus: Energy, Food +70. Accelerator, Venture Capital Firm, Incubator. Located in Honolulu, USA, North America, Europe, MENA, Oceania, Asia, Asia Pacific. $300k for strategy track available.
    Honolulu
    USA
    +6
    Stage

    Seed, Series A +4

    Focus

    Energy, Food +70

    Offer

    $300k for strategy track

    View VC Details
    MoreVC logo
    Venture Capital Firm

    MoreVC

    MoreVC invests in seed and early stage Israeli technology start-ups, partnering with entrepreneurs who are building companies that matter.

    OpenCan lead
    MoreVC: MoreVC invests in seed and early stage Israeli technology start-ups, partnering with entrepreneurs who are building companies that matter.. Stage: Seed, Series A +5. Focus: Energy, Food +29. Check size: $500 – $3,000,000. Venture Capital Firm, Investment Fund. Located in Ra'anana, Israel, MENA, North America, Europe, Middle East.
    Ra'anana
    Israel
    +4
    Stage

    Seed, Series A +5

    Focus

    Energy, Food +29

    Check size

    $500 – $3,000,000

    View VC Details
    Peak Sustainability Ventures logo
    Venture Capital Firm

    Peak Sustainability Ventures

    BOLD IDEAS. SCALED UP.

    OpenCan lead
    Peak Sustainability Ventures: BOLD IDEAS. SCALED UP.. Stage: Series A, Seed +2. Focus: Agnostic, Software +30. Check size: $1,000,000 – $5,000,000. Venture Capital Firm. Located in Mumbai, India, Asia. $100K - $5M available.
    Mumbai
    India
    +1
    Stage

    Series A, Seed +2

    Focus

    Agnostic, Software +30

    Check size

    $1,000,000 – $5,000,000

    Offer

    $100K - $5M

    View VC Details
    Telos Impact logo
    Venture Capital Firm

    Telos Impact

    Telos Impact : The leading impact manager and advisor in Europe.

    Open
    Telos Impact: Telos Impact : The leading impact manager and advisor in Europe.. Stage: Series A, Series B +4. Focus: Circular Economy, Food +7. Check size: $2,000,000 – $5,000,000. Venture Capital Firm, Venture Philanthropy Fund. Located in France, Europe. $3M available.
    France
    Europe
    Stage

    Series A, Series B +4

    Focus

    Circular Economy, Food +7

    Check size

    $2,000,000 – $5,000,000

    Offer

    $3M

    View VC Details
    Burnt Island Ventures logo
    Venture Capital Firm

    Burnt Island Ventures

    Funding the best water entrepreneurs in the world

    OpenCan lead
    Burnt Island Ventures: Funding the best water entrepreneurs in the world. Stage: Pre-Seed, Seed +1. Focus: Software, Hardware +3. Check size: $100 – $5,000,000. Venture Capital Firm. Located in Zurich, Switzerland, Europe. $500K available.
    Zurich
    Switzerland
    +1
    Stage

    Pre-Seed, Seed +1

    Focus

    Software, Hardware +3

    Check size

    $100 – $5,000,000

    Offer

    $500K

    View VC Details
    Sente Ventures logo
    Venture Capital Firm

    Sente Ventures

    Investing globally in technology entrepreneurs impacting our world.

    OpenCan lead
    Sente Ventures: Investing globally in technology entrepreneurs impacting our world.. Stage: Series A, Seed +3. Focus: Climate Impact, Software +65. Check size: $100,000 – $1,000,000. Venture Capital Firm, Corporate VC. Located in Chicago, USA, North America. $100K - $300K available.
    Chicago
    USA
    +1
    Stage

    Series A, Seed +3

    Focus

    Climate Impact, Software +65

    Check size

    $100,000 – $1,000,000

    Offer

    $100K - $300K

    View VC Details
    LA Cleantech Incubator (LACI) logo
    Incubator

    LA Cleantech Incubator (LACI)

    Creating an inclusive green economy for LA and beyond.

    Open
    LA Cleantech Incubator (LACI): Creating an inclusive green economy for LA and beyond.. Stage: Pre-Seed, Seed +2. Focus: Climate Impact, Mobility +44. Incubator, Accelerator. Located in Los Angeles, USA, North America.
    Los Angeles
    USA
    +1
    Stage

    Pre-Seed, Seed +2

    Focus

    Climate Impact, Mobility +44

    View VC Details
    Colam Impact logo
    Corporate VC

    Colam Impact

    Colam Impact aims to develop companies with a societal impact through financial investment in these companies and long.

    OpenCan lead
    Colam Impact: Colam Impact aims to develop companies with a societal impact through financial investment in these companies and long.. Stage: Early Stage VC, Seed. Focus: MedTech, Business Automation +63. Check size: $120 – $1,200,000. Corporate VC, Venture Capital Firm. Located in Paris, France, Europe, Middle East.
    Paris
    France
    +2
    Stage

    Early Stage VC, Seed

    Focus

    MedTech, Business Automation +63

    Check size

    $120 – $1,200,000

    View VC Details
    Globit logo
    Corporate VC

    Globit

    We are an IT company specializing in these areas.

    Open
    Globit: We are an IT company specializing in these areas.. Stage: Seed. Focus: Water, Wastewater +1. Corporate VC. Located in Cheju-Do, South Korea, Asia.
    Cheju-Do
    South Korea
    +1
    Stage

    Seed

    Focus

    Water, Wastewater +1

    View VC Details
    Natural Resources Canada logo
    Public fund

    Natural Resources Canada

    We are an entity providing resources and information regarding the protection of natural land and water in Canada.

    OpenCan lead
    Natural Resources Canada: We are an entity providing resources and information regarding the protection of natural land and water in Canada.. Stage: Early Stage VC, Seed. Focus: Agritech, Oil +45. Public fund. Located in ON, Canada, North America.
    ON
    Canada
    +1
    Stage

    Early Stage VC, Seed

    Focus

    Agritech, Oil +45

    View VC Details
    Africa Growth LLC logo
    Venture Capital Firm

    Africa Growth LLC

    We are a new fund manager primarily focused on Sub-Saharan Africa.

    Open
    Africa Growth LLC: We are a new fund manager primarily focused on Sub-Saharan Africa.. Stage: Seed, Pre-Seed +2. Focus: Waste, Biodiversity +56. Check size: $50,000,000 – $1,000,000. Venture Capital Firm. Located in Newark, USA, North America.
    Newark
    USA
    +1
    Stage

    Seed, Pre-Seed +2

    Focus

    Waste, Biodiversity +56

    Check size

    $50,000,000 – $1,000,000

    View VC Details
    Launch Alaska logo
    Incubator

    Launch Alaska

    We back startups in various sectors.

    Open
    Launch Alaska: We back startups in various sectors.. Stage: Pre-Seed, Seed. Focus: Food, Smart Grids +28. Incubator, Accelerator. Located in Anchorage, USA, North America.
    Anchorage
    USA
    +1
    Stage

    Pre-Seed, Seed

    Focus

    Food, Smart Grids +28

    View VC Details
    Vento logo
    Venture Capital Firm

    Vento

    Open
    Vento: Startup program. Stage: Early Stage VC, Seed. Focus: Environment, Wastewater +25. Venture Capital Firm. Located in Barcelona, Spain, Europe.
    Barcelona
    Spain
    +1
    Stage

    Early Stage VC, Seed

    Focus

    Environment, Wastewater +25

    View VC Details
    erev3.com logo
    Family Office

    erev3.com

    We are individual investors, mentors to company leaders, and board members.

    Open
    erev3.com: We are individual investors, mentors to company leaders, and board members.. Stage: Seed. Focus: Biodiversity, Smart Grids +37. Family Office. Located in Malibu, USA, North America.
    Malibu
    USA
    +1
    Stage

    Seed

    Focus

    Biodiversity, Smart Grids +37

    View VC Details
    FORWARD.one logo
    Venture Capital Firm

    FORWARD.one

    We are a venture capital firm dedicated to nurturing nascent companies with specialized requirements.

    OpenCan lead
    FORWARD.one: We are a venture capital firm dedicated to nurturing nascent companies with specialized requirements.. Stage: Pre-Seed, Seed +2. Focus: VR, Environnement +27. Check size: $100 – $5,000,000. Venture Capital Firm. Located in The Netherlands, Europe.
    The Netherlands
    Europe
    Stage

    Pre-Seed, Seed +2

    Focus

    VR, Environnement +27

    Check size

    $100 – $5,000,000

    View VC Details
    NCI Waterstart logo
    Private Equity Firm

    NCI Waterstart

    We are an accelerator fund with €40M dedicated to supporting innovative enterprises.

    OpenCan lead
    NCI Waterstart: We are an accelerator fund with €40M dedicated to supporting innovative enterprises.. Stage: Pre-Seed, Seed +1. Focus: Wastewater, Water +1. Private Equity Firm. Located in Rouen, France, Europe.
    Rouen
    France
    +1
    Stage

    Pre-Seed, Seed +1

    Focus

    Wastewater, Water +1

    View VC Details
    Blue Angels Investment Group logo
    Angel Investor

    Blue Angels Investment Group

    We prioritize investments that drive profit while benefiting water technologies.

    Open
    Blue Angels Investment Group: We prioritize investments that drive profit while benefiting water technologies.. Stage: Seed. Focus: Biodiversity, Solar +30. Angel Investor. Located in Boston, USA, North America.
    Boston
    USA
    +1
    Stage

    Seed

    Focus

    Biodiversity, Solar +30

    View VC Details
    Azur Innovation Management logo
    Venture Capital Firm

    Azur Innovation Management

    We are a seed fund with a size of 35$ million, aimed at financing innovative startups and SMEs domiciled in Morocco. We employ a smart capital approach, mobiliz…

    OpenCan lead
    Azur Innovation Management: We are a seed fund with a size of 35$ million, aimed at financing innovative startups and SMEs domiciled in Morocco. We employ a smart capital approach, mobiliz…. Stage: Early Stage VC, Growth. Focus: GreenTech, Medicines +95. Check size: $250 – $2,500,000. Venture Capital Firm. Located in Casablanca, Morocco, MENA, Africa.
    Casablanca
    Morocco
    +2
    Stage

    Early Stage VC, Growth

    Focus

    GreenTech, Medicines +95

    Check size

    $250 – $2,500,000

    View VC Details
    Lead Ventures logo
    Venture Capital Firm

    Lead Ventures

    We are a Budapest-based venture capital firm, specializing in financing Central European scale-ups at seed and Series A stages.

    OpenCan lead
    Lead Ventures: We are a Budapest-based venture capital firm, specializing in financing Central European scale-ups at seed and Series A stages.. Stage: Pre-Seed, Seed +2. Focus: SDG, Renewable +62. Venture Capital Firm. Located in Budapest, Hungary, Europe.
    Budapest
    Hungary
    +1
    Stage

    Pre-Seed, Seed +2

    Focus

    SDG, Renewable +62

    View VC Details
    PureTerra Ventures logo
    Venture Capital Firm

    PureTerra Ventures

    We are a leading WaterTech specialist venture capital investor, bring together water expertise, investment acumen, and entrepreneurship experience to address ke…

    OpenCan lead
    PureTerra Ventures: We are a leading WaterTech specialist venture capital investor, bring together water expertise, investment acumen, and entrepreneurship experience to address ke…. Stage: Seed, Early Stage VC. Focus: Water, Water Treatment +1. Check size: $1,000,000 – $5,000,000. Venture Capital Firm.
    Stage

    Seed, Early Stage VC

    Focus

    Water, Water Treatment +1

    Check size

    $1,000,000 – $5,000,000

    View VC Details
    Natural Ventures logo
    Venture Capital Firm

    Natural Ventures

    Open
    Natural Ventures: Startup program. Stage: Growth. Focus: Renewable, Wind +30. Venture Capital Firm.
    Stage

    Growth

    Focus

    Renewable, Wind +30

    View VC Details
    Wesam  Ma logo
    Solo angel

    Wesam Ma

    Advisor

    Open
    Wesam Ma: Advisor. Stage: Early Stage VC, Growth. Focus: Water Treatment, Wastewater +1. Check size: $200 – $5,000,000. Solo angel.
    Stage

    Early Stage VC, Growth

    Focus

    Water Treatment, Wastewater +1

    Check size

    $200 – $5,000,000

    View VC Details
    Emend Vision Fund logo
    Venture Capital Firm

    Emend Vision Fund

    We are a fund focused on impactful technological advancements.

    Open
    Emend Vision Fund: We are a fund focused on impactful technological advancements.. Stage: Seed. Focus: Smart Clothes, Iiot +27. Venture Capital Firm.
    Stage

    Seed

    Focus

    Smart Clothes, Iiot +27

    View VC Details
    Alter Equity logo
    Venture Capital Firm

    Alter Equity

    Open
    Alter Equity: Startup program. Stage: Seed, Early Stage VC. Focus: Social Good, Proteomics +78. Check size: $1,000,000 – $30,000,000. Venture Capital Firm.
    Stage

    Seed, Early Stage VC

    Focus

    Social Good, Proteomics +78

    Check size

    $1,000,000 – $30,000,000

    View VC Details
    Enercity logo
    Corporate VC

    Enercity

    We are one of Germany's largest energy providers, offering diverse professional opportunities.

    Open
    Enercity: We are one of Germany's largest energy providers, offering diverse professional opportunities.. Stage: Early Stage VC. Focus: Gas, Wind +30. Corporate VC.
    Stage

    Early Stage VC

    Focus

    Gas, Wind +30

    View VC Details
    AquAgro Fund logo
    Venture Capital Firm

    AquAgro Fund

    We are an Israeli venture capital fund.

    Open
    AquAgro Fund: We are an Israeli venture capital fund.. Stage: Early Stage VC, Seed. Focus: Agriculture, Agritech +7. Venture Capital Firm.
    Stage

    Early Stage VC, Seed

    Focus

    Agriculture, Agritech +7

    View VC Details
    Auxano Ventures logo
    Family Office

    Auxano Ventures

    We are a family investment company with diverse holdings.

    Open
    Auxano Ventures: We are a family investment company with diverse holdings.. Stage: Early Stage VC. Focus: Solar, Wastewater +29. Family Office.
    Stage

    Early Stage VC

    Focus

    Solar, Wastewater +29

    View VC Details
    Dynamics Venture Capital Fund logo
    Venture Capital Firm

    Dynamics Venture Capital Fund

    We are a venture capital firm specializing in these sectors.

    Open
    Dynamics Venture Capital Fund: We are a venture capital firm specializing in these sectors.. Stage: Early Stage VC. Focus: Smart Grid, Renewable +16. Venture Capital Firm.
    Stage

    Early Stage VC

    Focus

    Smart Grid, Renewable +16

    View VC Details
    Israel - Colorado Innovation Fund logo
    Venture Capital Firm

    Israel - Colorado Innovation Fund

    We are supporting innovative companies in Israel.

    OpenCan lead
    Israel - Colorado Innovation Fund: We are supporting innovative companies in Israel.. Stage: Pre-Seed, Seed +1. Focus: Solar, Oil +22. Venture Capital Firm.
    Stage

    Pre-Seed, Seed +1

    Focus

    Solar, Oil +22

    View VC Details
    Mazarine Ventures logo
    Venture Capital Firm

    Mazarine Ventures

    We seek innovations that address risks related to water resources.

    OpenCan lead
    Mazarine Ventures: We seek innovations that address risks related to water resources.. Stage: Pre-Seed, Seed. Focus: Wastewater, Water +1. Venture Capital Firm.
    Stage

    Pre-Seed, Seed

    Focus

    Wastewater, Water +1

    View VC Details

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    FAQs about Water Treatment funding

    Best Water Treatment accelerators/VCs in 2026?

    See the curated list below; filter by open deadlines and offer terms.

    Which programs are open right now?

    Check the “Open now” section for future deadlines and active cohorts.

    What are typical funding/equity terms?

    Offers vary by program; see each card for check size, equity, or equity-free notes.

    Are there remote options?

    Many programs support remote; confirm on each card’s details (remote flag or location).