A river running through a deep pine forest valley

Grant recipient EIN 26-1382433Environment

Who funds Hanford Challenge?

10 private foundations gave Hanford Challenge in Seattle, WA $790,491 across 48 grants, in tax years 2017 to 2025.

Grants listed on funders’ 990-PF returns for tax years 2017 to 2025, read from the IRS e-file on Nov 11, 2026. Returns reach the IRS 5 to 18 months after the year they describe.

Grants received by year

Grants from private foundations by the funder’s tax year. The latest year is in blue; it is not complete until all its returns reach the IRS.

Every foundation grant, by year

48 grants

Each line as the funder listed it on its return, newest year first, then largest.

  1. The Northwest Fund for the EnvironmentSeattle, WA 2025

    Tank Waste and Hanford Clean Up Watchdogging

    $10,000
  2. The Hugh and Jane Ferguson FoundationSeattle, WA 2025

    Environmental protection

    $10,000
  3. Lucky Seven FoundationWilmington, DE 2024

    General & Unrestricted

    $65,100
  4. The Satterberg Foundation IncSeattle, WA 2024

    General operating support

    $50,000
  5. PatagoniaorgVentura, CA 2024

    To support environmental projects.

    $10,000
  6. The Northwest Fund for the EnvironmentSeattle, WA 2024

    Tank Waste and Hanford Clean Up Watchdogging

    $10,000
  7. The Northwest Fund for the EnvironmentSeattle, WA 2024

    Staff-directed funds to area of greatest need

    $10,000
  8. The Hugh and Jane Ferguson FoundationSeattle, WA 2024

    Environmental protection

    $10,000
  9. The Cynthia & George Mitchell FoundationThe Woodlands, TX 2024

    To create a future for the Hanford Nuclear site which secures human health and safety, advance accountability, and promotes a sustainable environmental legacy

    $5,000
  10. The Northwest Fund for the EnvironmentSeattle, WA 2024

    2024 year-end fund for staff recognition

    $1,000
  11. Lucky Seven FoundationWilmington, DE 2023

    General & Unrestricted

    $52,500
  12. The Satterberg Foundation IncSeattle, WA 2023

    General operating support

    $50,000
  13. PatagoniaorgVentura, CA 2023

    To support environmental projects.

    $10,000
  14. The Northwest Fund for the EnvironmentSeattle, WA 2023

    Tank Waste and Hanford Clean Up Watchdogging

    $10,000
  15. The Hugh and Jane Ferguson FoundationSeattle, WA 2023

    Environmental protection

    $10,000
  16. The Cynthia & George Mitchell FoundationThe Woodlands, TX 2023

    To create a future for the Hanford Nuclear site

    $5,000
  17. Amazonsmile FoundationSeattle, WA 2023

    General support

    $52
  18. Lucky Seven FoundationWilmington, DE 2022

    General & Unrestricted

    $53,000
  19. The Satterberg Foundation IncSeattle, WA 2022

    General operating support

    $50,000
  20. The Northwest Fund for the EnvironmentSeattle, WA 2022

    General support

    $15,000
  21. PatagoniaorgVentura, CA 2022

    To support environmental projects.

    $10,000
  22. The Hugh and Jane Ferguson FoundationSeattle, WA 2022

    Environmental protection

    $10,000
  23. The Cynthia & George Mitchell FoundationThe Woodlands, TX 2022

    To create a future for the Hanford Nuclear site which promotes a sustainable environment

    $5,000
  24. Mock FoundationOklahoma City, OK 2022

    General

    $1,050
  25. Amazonsmile FoundationSeattle, WA 2022

    General support

    $90
  26. The Satterberg Foundation IncSeattle, WA 2021

    General operating support

    $50,000
  27. Lucky Seven FoundationWilmington, DE 2021

    General & Unrestricted

    $28,500
  28. John D and Catherine T MacArthur FoundationChicago, IL 2021

    In support of general operations.

    $10,000
  29. The Hugh and Jane Ferguson FoundationSeattle, WA 2021

    General operations

    $10,000
  30. The Cynthia & George Mitchell FoundationThe Woodlands, TX 2021

    To create a future for the Hanford Nuclear site

    $5,000
  31. Amazonsmile FoundationSeattle, WA 2021

    General support

    $152
  32. The Satterberg Foundation IncSeattle, WA 2020

    General operating support

    $25,000
  33. Lucky Seven FoundationWilmington, DE 2020

    General & Unrestricted

    $21,000
  34. The Northwest Fund for the EnvironmentSeattle, WA 2020

    Protecting the columbia river from hanfords toxic legacy

    $15,000
  35. The Hugh and Jane Ferguson FoundationSeattle, WA 2020

    Forum for shared conservation

    $15,000
  36. PatagoniaorgVentura, CA 2020

    To support environmental projects.

    $10,000
  37. The Cynthia & George Mitchell FoundationThe Woodlands, TX 2020

    To create a future for the Hanford Nuclear site

    $3,000
  38. Amazonsmile FoundationSeattle, WA 2020

    General support

    $47
  39. Lucky Seven FoundationWilmington, DE 2019

    General & Unrestricted

    $25,000
  40. PatagoniaorgVentura, CA 2019

    To support environmental projects.

    $20,000
  41. The Cynthia & George Mitchell FoundationThe Woodlands, TX 2019

    General support

    $20,000
  42. The Hugh and Jane Ferguson FoundationSeattle, WA 2019

    Forum for shared conservation

    $15,000
  43. Lucky Seven FoundationWilmington, DE 2019

    Stop the Shortcuts to Hanford Cleanup Project

    $1,000
  44. PatagoniaorgVentura, CA 2018

    To support environmental projects.

    $15,000
  45. The Northwest Fund for the EnvironmentSeattle, WA 2018

    Protecting the columbia river from nuclear waste

    $15,000
  46. The Hugh and Jane Ferguson FoundationSeattle, WA 2018

    Forum for shared conservation

    $15,000
  47. The Bullitt FoundationSeattle, WA 2018

    General support

    $2,000
  48. PatagoniaorgVentura, CA 2017

    To support environmental projects.

    $7,000

Funders of similar organizations nearby

Foundations that gave to other environment organizations in Seattle, WA and are not among Hanford Challenge’s funders above.

  1. The Norcliffe FoundationSeattle, WA 32 grants Accepts applications $845,000 to similar organizations
  2. The Russell Family FoundationGig Harbor, WA 63 grants Accepts applications $1,972,262 to similar organizations
  3. Puget Sound Energy FoundationWilmington, DE 39 grants Preselected only $308,468 to similar organizations
  4. Stolte Family FoundationSeattle, WA 66 grants Preselected only $4,616,215 to similar organizations
  5. Grousemont FoundationSeattle, WA 31 grants Preselected only $2,140,500 to similar organizations
  6. The Holocene FoundationSeattle, WA 39 grants Preselected only $3,050,000 to similar organizations
  7. Ridge Road FoundationBellevue, WA 37 grants Accepts applications $237,200 to similar organizations
  8. Kaleidoscope FoundationBellevue, WA 23 grants Preselected only $141,503 to similar organizations

About this match

Funders write a recipient’s name and address, not its EIN. We matched these grants to EIN 26-1382433 by name and ZIP code, or by name, city and State against the IRS list of exempt organizations and our list of filers. Grants we could not tie to one organization are not counted here.