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Private foundations don’t post open calls, so nobody can search them. We read IRS filings instead — 9.6 million grants from 174,053 foundations and grantmaking charities, searchable by what the money was actually for.

12 funders with a record of paying for “bayou”

Where the money went

1.0×
Kinder Foundation → Buffalo Bayou Partnership: $70M across 12 grants, latest 2025The Brown Foundation Inc → Buffalo Bayou Partnership: $15M across 9 grants, latest 2023Houston Endowment Inc → Buffalo Bayou Partnership: $5.0M across 3 grants, latest 2022Greater Houston Community Foundation → Bayou City Fellowship: $976K across 3 grants, latest 2024Garver Black Hilyard Family Foundation → Buffalo Bayou Partnership: $735K across 2 grants, latest 2024Bayou Community Foundation → Rebuilding Together-Bayou: $370K across 2 grants, latest 2024Blue Cross & Blue Shield of → Bayou Community Foundation: $275K across 2 grants, latest 2023Jacob and Terese Hershey Foundation → Bayou City Waterkeeper: $235K across 4 grants, latest 2024Community Foundation of Acadiana → Bayou Community Foundation Fund at Gnof: $235K across 3 grants, latest 2024The Powell Foundation → Bayou Land Conservancy: $200K across 3 grants, latest 2024Centerpoint Energy Foundation Inc → Armand Bayou Nature Center Inc: $114K across 2 grants, latest 2025Albert & Ethel Herzstein → Bayou Preservation Association Inc: $29K across 3 grants, latest 2024The Brown Foundation Inc → Houston Parks Board: $1.5M across 1 grant, latest 2024Houston Endowment Inc → Bayou Land Conservancy: $350K across 2 grants, latest 2020Greater Houston Community Foundation → Buffalo Bayou Partnership: $247K across 3 grants, latest 2024The Powell Foundation → Buffalo Bayou Partnership: $200K across 2 grants, latest 2024Blue Cross & Blue Shield of → Fletcher Technical Community College Foundation Inc: $160K across 2 grants, latest 2023Jacob and Terese Hershey Foundation → Bayou Land Conservancy: $151K across 4 grants, latest 2024Garver Black Hilyard Family Foundation → Bayou Preservation Assoc: $150K across 3 grants, latest 2024Centerpoint Energy Foundation Inc → Buffalo Bayou Partnership: $79K across 4 grants, latest 2025Community Foundation of Acadiana → The Bayou Church: $50K across 3 grants, latest 2024Bayou Community Foundation → Bayou Civic Club: $30K across 2 grants, latest 2024Albert & Ethel Herzstein → Armand Bayou Nature Center Inc: $26K across 3 grants, latest 2024The Brown Foundation Inc → Armand Bayou Nature Center Inc: $575K across 4 grants, latest 2024The Powell Foundation → Museum of Fine Arts Houston Bayou Bend Collection and Gardens: $195K across 6 grants, latest 2025Houston Endowment Inc → Greens Bayou Corridor Coalition: $150K across 2 grants, latest 2020Blue Cross & Blue Shield of → Bayou District Foundation: $75K across 3 grants, latest 2024Greater Houston Community Foundation → Armand Bayou Nature Center: $56K across 2 grants, latest 2024Jacob and Terese Hershey Foundation → Save Buffalo Bayou: $30K across 2 grants, latest 2023Community Foundation of Acadiana → Bless Your Heart Nonprofit Corporation: $28K across 1 grant, latest 2024Bayou Community Foundation → Les Reflections Du Bayou: $22K across 2 grants, latest 2024Centerpoint Energy Foundation Inc → Bayou Preservation Association Inc: $20K across 2 grants, latest 2025Albert & Ethel Herzstein → Buffalo Bayou Partnership: $18K across 2 grants, latest 2023Garver Black Hilyard Family Foundation → Bayou City Waterkeeper: $9K across 3 grants, latest 2024The Powell Foundation → Bayou City Waterkeeper: $150K across 3 grants, latest 2025Houston Endowment Inc → Bayou City Waterkeeper: $100K across 1 grant, latest 2020The Brown Foundation Inc → Bayou Land Conservancy: $81K across 3 grants, latest 2024The Powell Foundation → Museum of Fine Arts Houston - Bayou Bend Collection and Gardens: $65K across 2 grants, latest 2023The Brown Foundation Inc → Bayou Preservation Association Inc: $60K across 3 grants, latest 2024Greater Houston Community Foundation → Taylor Bayou Conservancy: $50K across 1 grant, latest 2024Blue Cross & Blue Shield of → Girls On the Run Bayou Region: $25K across 1 grant, latest 2023Greater Houston Community Foundation → Bayou Preservation Association Inc: $21K across 2 grants, latest 2024Community Foundation of Acadiana → Catholic Charities of the Diocese of Houma Thibodeaux: $21K across 1 grant, latest 2024Jacob and Terese Hershey Foundation → Armand Bayou Nature Center: $20K across 2 grants, latest 2023Bayou Community Foundation → Bayou Youth Equity Foundation: $20K across 2 grants, latest 2024The Powell Foundation → Bayou City Blessings in A Backpack: $12K across 2 grants, latest 2025The Brown Foundation Inc → Museum of Fine Arts Houston: $11K across 2 grants, latest 2023Greater Houston Community Foundation → Bayou Friends Forever: $10K across 1 grant, latest 2024Bayou Community Foundation → Bayou Civic Club: $10K across 1 grant, latest 2022Greater Houston Community Foundation → Bayou Vermilion Reguladores: $7K across 1 grant, latest 2022Greater Houston Community Foundation → Bayou City Pony Club: $7K across 1 grant, latest 2023Community Foundation of Acadiana → Bayou Civic Club Inc: $7K across 1 grant, latest 2024Bayou Community Foundation → We Can All Ring: $6K across 1 grant, latest 2024Albert & Ethel Herzstein → Blessings in A Backpack Inc: $5K across 1 grant, latest 2024The Brown Foundation Inc → Young Life: $5K across 1 grant, latest 2022Albert & Ethel Herzstein → Bayou Land Conservancy: $4K across 1 grant, latest 2023Garver Black Hilyard Family Foundation → Bayou Land Conservancy: $3K across 3 grants, latest 2024Kinder Foundation: $70M on this topic. Open the funder.Kinder Foundation$70MThe Brown Foundation Inc: $17M on this topic. Open the funder.The Brown Foundation Inc$17MHouston Endowment Inc: $5.6M on this topic. Open the funder.Houston Endowment Inc$5.6MGreater Houston Community Foundation: $1.4M on this topic. Open the funder.Greater Houston Community Fou…$1.4MGarver Black Hilyard Family Foundation: $897K on this topic. Open the funder.Garver Black Hilyard Family F…$897KThe Powell Foundation: $822K on this topic. Open the funder.The Powell Foundation$822KBlue Cross & Blue Shield of: $535K on this topic. Open the funder.Blue Cross & Blue Shield of$535KBayou Community Foundation: $458K on this topic. Open the funder.Bayou Community Foundation$458KJacob and Terese Hershey Foundation: $436K on this topic. Open the funder.Jacob and Terese Hershey Foun…$436KCommunity Foundation of Acadiana: $341K on this topic. Open the funder.Community Foundation of Acadi…$341KCenterpoint Energy Foundation Inc: $213K on this topic. Open the funder.Centerpoint Energy Foundation…$213KAlbert & Ethel Herzstein: $81K on this topic. Open the funder.Albert & Ethel Herzstein$81KBuffalo Bayou Partnership: received $70M on this topicBuffalo Bayou Partnership$70MBuffalo Bayou Partnership: received $21M on this topicBuffalo Bayou Partnership$21MHouston Parks Board: received $1.5M on this topicHouston Parks Board$1.5MBayou City Fellowship: received $976K on this topicBayou City Fellowship$976KBayou Land Conservancy: received $785K on this topicBayou Land Conservancy$785KArmand Bayou Nature Center Inc: received $575K on this topicArmand Bayou Nature Center Inc$575KBayou City Waterkeeper: received $494K on this topicBayou City Waterkeeper$494KRebuilding Together-Bayou: received $370K on this topicRebuilding Together-Bayou$370KBayou Community Foundation: received $275K on this topicBayou Community Foundation$275KBayou Community Foundation Fund at Gnof: received $235K on this topicBayou Community Foundation Fund…$235KMuseum of Fine Arts Houston Bayou Bend Collection and Gardens: received $195K on this topicMuseum of Fine Arts Houston Bay…$195KFletcher Technical Community College Foundation Inc: received $160K on this topicFletcher Technical Community Co…$160KBayou Preservation Assoc: received $150K on this topicBayou Preservation Assoc$150KGreens Bayou Corridor Coalition: received $150K on this topicGreens Bayou Corridor Coalition$150KArmand Bayou Nature Center Inc: received $140K on this topicArmand Bayou Nature Center Inc$140KBayou District Foundation: received $75K on this topicBayou District Foundation$75KBayou Preservation Association Inc: received $70K on this topicBayou Preservation Association…$70KMuseum of Fine Arts Houston - Bayou Bend Collection and Gardens: received $65K on this topicMuseum of Fine Arts Houston - B…$65KBayou Preservation Association Inc: received $60K on this topicBayou Preservation Association…$60KArmand Bayou Nature Center: received $56K on this topicArmand Bayou Nature Center$56KThe Bayou Church: received $50K on this topicThe Bayou Church$50KTaylor Bayou Conservancy: received $50K on this topicTaylor Bayou Conservancy$50KBayou Civic Club: received $30K on this topicBayou Civic Club$30KSave Buffalo Bayou: received $30K on this topicSave Buffalo Bayou$30KBless Your Heart Nonprofit Corporation: received $28K on this topicBless Your Heart Nonprofit Corp…$28KGirls On the Run Bayou Region: received $25K on this topicGirls On the Run Bayou Region$25KLes Reflections Du Bayou: received $22K on this topicLes Reflections Du Bayou$22KCatholic Charities of the Diocese of Houma Thibodeaux: received $21K on this topicCatholic Charities of the Dioce…$21KArmand Bayou Nature Center: received $20K on this topicArmand Bayou Nature Center$20KBayou Youth Equity Foundation: received $20K on this topicBayou Youth Equity Foundation$20KBayou City Blessings in A Backpack: received $12K on this topicBayou City Blessings in A Backp…$12KMuseum of Fine Arts Houston: received $11K on this topicMuseum of Fine Arts Houston$11KBayou Friends Forever: received $10K on this topicBayou Friends Forever$10KBayou Civic Club: received $10K on this topicBayou Civic Club$10KBayou Vermilion Reguladores: received $7K on this topicBayou Vermilion Reguladores$7KBayou City Pony Club: received $7K on this topicBayou City Pony Club$7KBayou Civic Club Inc: received $7K on this topicBayou Civic Club Inc$7KWe Can All Ring: received $6K on this topicWe Can All Ring$6KBlessings in A Backpack Inc: received $5K on this topicBlessings in A Backpack Inc$5KYoung Life: received $5K on this topicYoung Life$5KBayou Land Conservancy: received $4K on this topicBayou Land Conservancy$4K
12 funders, 41 recipients, grants matching “bayou” only. Ribbon width is proportional to the total given; each funder has its own colour (smaller funders in gray). Hover a name to isolate its flows, click a funder to open it. Drag to move around; zoom with the buttons, a double-click, or the wheel after clicking the map.

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Source: IRS Form 990-PF Part XV and Form 990 Schedule I, tax years 2019–2025. These are grants already paid, a record of what an organization funds rather than an open call. Private foundations rarely accept unsolicited applications and the route in is usually a program officer; grantmaking charities and associations more often run real application cycles, so check their website. How this data is built, and its limits →