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Find who already funds work like yours.

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 “waterkeeper”

Where the money went

1.0×
The Ralph C Wilson Jr Foundation → Buffalo Niagara Waterkeeper Inc: $6.3M across 5 grants, latest 2023John S and James L Knight Foundation → Miami Waterkeeper: $3.0M across 3 grants, latest 2024The Heinz Endowments → Three Rivers Waterkeeper Inc: $755K across 8 grants, latest 2024Water Foundation → Bayou City Waterkeeper: $515K across 2 grants, latest 2024The Cynthia & George Mitchell Foundation → Bayou City Waterkeeper Inc: $330K across 3 grants, latest 2024Resources Legacy Fund → Los Angeles Waterkeeper: $305K across 3 grants, latest 2024The Keith Campbell Foundation → Blue Water Baltimore Inc: $255K across 3 grants, latest 2024The Kennedy Foundation → Los Angeles Waterkeeper: $200K across 3 grants, latest 2025Sangham Foundation → Snake River Waterkeeper: $123K across 3 grants, latest 2024Environment Now → Waterkeeper Alliance for Baja Waterkeepers Project: $80K across 1 grant, latest 2022Waterkeeper Alliance Inc → Riverkeeper: $72K across 2 grants, latest 2024Patagoniaorg → Bayou City Waterkeeper: $45K across 3 grants, latest 2024The Ralph C Wilson Jr Foundation → Buffalo Niagara Waterkeeper Inc: $2.8M across 3 grants, latest 2024Water Foundation → Waterkeepers Carolina: $200K across 1 grant, latest 2023The Kennedy Foundation → Upper Missouri Waterkeeper Inc: $168K across 3 grants, latest 2025The Keith Campbell Foundation → Waterkeepers Chesapeake: $128K across 6 grants, latest 2024Resources Legacy Fund → Upper Missouri Waterkeeper Inc: $85K across 3 grants, latest 2024Waterkeeper Alliance Inc → Miami Waterkeeper: $65K across 3 grants, latest 2024Environment Now → Monterey Waterkeeper: $55K across 2 grants, latest 2023The Cynthia & George Mitchell Foundation → Los Angeles Waterkeeper: $48K across 3 grants, latest 2024Patagoniaorg → Miami Waterkeeper: $45K across 3 grants, latest 2023Sangham Foundation → Lake Pend Oreille Waterkeeper Inc: $25K across 1 grant, latest 2022Water Foundation → Los Angeles Waterkeeper: $146K across 3 grants, latest 2024Resources Legacy Fund → Humboldt Waterkeeper: $65K across 2 grants, latest 2024Waterkeeper Alliance Inc → Buffalo Niagara Waterkeeper: $58K across 2 grants, latest 2024The Keith Campbell Foundation → Los Angeles Waterkeeper: $47K across 6 grants, latest 2024Environment Now → Waterkeeper Alliance Fiscal Sponsor for Loreto Coastkeeper Cabo Pulmo Wate: $45K across 1 grant, latest 2023Patagoniaorg → Snake River Waterkeeper: $45K across 3 grants, latest 2024Sangham Foundation → Upper Missouri Waterkeeper: $21K across 1 grant, latest 2022Waterkeeper Alliance Inc → Baykeeper: $54K across 2 grants, latest 2024Waterkeeper Alliance Inc → Los Angeles Waterkeeper: $52K across 2 grants, latest 2024Patagoniaorg → Upper Missouri Waterkeeper: $45K across 3 grants, latest 2024Resources Legacy Fund → Monterey Coastkeeper Dba Monterey Waterkeeper: $45K across 1 grant, latest 2023Resources Legacy Fund → Monterey Waterkeeper: $40K across 1 grant, latest 2022Waterkeeper Alliance Inc → Patuxent Riverkeeper: $38K across 3 grants, latest 2024The Keith Campbell Foundation → River Network: $36K across 1 grant, latest 2022Patagoniaorg → Three Rivers Waterkeeper: $35K across 3 grants, latest 2024Waterkeeper Alliance Inc → Riverkeeper Inc: $30K across 1 grant, latest 2022Environment Now → Waterkeeper Alliance for Tijuana Riverkeeper Project: $20K across 1 grant, latest 2022Environment Now → Waterkeeper Alliance Fiscal Sponsor for Tijuana Waterkeeper: $20K across 1 grant, latest 2023Environment Now → Water Climate Trust for Its Shasta Waterkeeper Project: $20K across 1 grant, latest 2023Environment Now → International Community Foundation: $17K across 1 grant, latest 2024Patagoniaorg → Biscayne Bay Waterkeeper Dba Miami Waterkeeper: $15K across 1 grant, latest 2024Patagoniaorg → Los Angeles Waterkeeper: $15K across 1 grant, latest 2024Waterkeeper Alliance Inc → San Francisco Baykeeper: $15K across 1 grant, latest 2022The Keith Campbell Foundation → Santa Barbara Channelkeeper: $10K across 2 grants, latest 2024Waterkeeper Alliance Inc → Catawba Riverkeeper Foundation: $6K across 1 grant, latest 2023Sangham Foundation → Waiwai Ola Waterkeepers Hawaiian Islands: $6K across 1 grant, latest 2022Sangham Foundation → Nicoya Peninsula Waterkeeper: $4K across 1 grant, latest 2022The Keith Campbell Foundation → Klamath-Siskiyou Wildlands Center: $2K across 1 grant, latest 2022Environment Now → Los Angeles Waterkeeper: $1K across 1 grant, latest 2024The Ralph C Wilson Jr Foundation: $9.2M on this topic. Open the funder.The Ralph C Wilson Jr Foundat…$9.2MJohn S and James L Knight Foundation: $3.0M on this topic. Open the funder.John S and James L Knight Fou…$3.0MWater Foundation: $861K on this topic. Open the funder.Water Foundation$861KThe Heinz Endowments: $755K on this topic. Open the funder.The Heinz Endowments$755KResources Legacy Fund: $540K on this topic. Open the funder.Resources Legacy Fund$540KThe Keith Campbell Foundation: $478K on this topic. Open the funder.The Keith Campbell Foundation$478KWaterkeeper Alliance Inc: $389K on this topic. Open the funder.Waterkeeper Alliance Inc$389KThe Cynthia & George Mitchell Foundation: $378K on this topic. Open the funder.The Cynthia & George Mitchell…$378KThe Kennedy Foundation: $368K on this topic. Open the funder.The Kennedy Foundation$368KEnvironment Now: $258K on this topic. Open the funder.Environment Now$258KPatagoniaorg: $245K on this topic. Open the funder.Patagoniaorg$245KSangham Foundation: $178K on this topic. Open the funder.Sangham Foundation$178KBuffalo Niagara Waterkeeper Inc: received $6.3M on this topicBuffalo Niagara Waterkeeper Inc$6.3MMiami Waterkeeper: received $3.1M on this topicMiami Waterkeeper$3.1MBuffalo Niagara Waterkeeper Inc: received $2.8M on this topicBuffalo Niagara Waterkeeper Inc$2.8MLos Angeles Waterkeeper: received $765K on this topicLos Angeles Waterkeeper$765KThree Rivers Waterkeeper Inc: received $755K on this topicThree Rivers Waterkeeper Inc$755KBayou City Waterkeeper: received $560K on this topicBayou City Waterkeeper$560KBayou City Waterkeeper Inc: received $330K on this topicBayou City Waterkeeper Inc$330KBlue Water Baltimore Inc: received $255K on this topicBlue Water Baltimore Inc$255KUpper Missouri Waterkeeper Inc: received $253K on this topicUpper Missouri Waterkeeper Inc$253KWaterkeepers Carolina: received $200K on this topicWaterkeepers Carolina$200KSnake River Waterkeeper: received $168K on this topicSnake River Waterkeeper$168KWaterkeepers Chesapeake: received $128K on this topicWaterkeepers Chesapeake$128KMonterey Waterkeeper: received $95K on this topicMonterey Waterkeeper$95KWaterkeeper Alliance for Baja Waterkeepers Project: received $80K on this topicWaterkeeper Alliance for Baja W…$80KRiverkeeper: received $72K on this topicRiverkeeper$72KUpper Missouri Waterkeeper: received $66K on this topicUpper Missouri Waterkeeper$66KHumboldt Waterkeeper: received $65K on this topicHumboldt Waterkeeper$65KBuffalo Niagara Waterkeeper: received $58K on this topicBuffalo Niagara Waterkeeper$58KBaykeeper: received $54K on this topicBaykeeper$54KLos Angeles Waterkeeper: received $48K on this topicLos Angeles Waterkeeper$48KWaterkeeper Alliance Fiscal Sponsor for Loreto Coastkeeper Cabo Pulmo Wate: received $45K on this topicWaterkeeper Alliance Fiscal Spo…$45KMonterey Coastkeeper Dba Monterey Waterkeeper: received $45K on this topicMonterey Coastkeeper Dba Monter…$45KPatuxent Riverkeeper: received $38K on this topicPatuxent Riverkeeper$38KRiver Network: received $36K on this topicRiver Network$36KThree Rivers Waterkeeper: received $35K on this topicThree Rivers Waterkeeper$35KRiverkeeper Inc: received $30K on this topicRiverkeeper Inc$30KLake Pend Oreille Waterkeeper Inc: received $25K on this topicLake Pend Oreille Waterkeeper I…$25KWaterkeeper Alliance for Tijuana Riverkeeper Project: received $20K on this topicWaterkeeper Alliance for Tijuan…$20KWaterkeeper Alliance Fiscal Sponsor for Tijuana Waterkeeper: received $20K on this topicWaterkeeper Alliance Fiscal Spo…$20KWater Climate Trust for Its Shasta Waterkeeper Project: received $20K on this topicWater Climate Trust for Its Sha…$20KInternational Community Foundation: received $17K on this topicInternational Community Foundat…$17KBiscayne Bay Waterkeeper Dba Miami Waterkeeper: received $15K on this topicBiscayne Bay Waterkeeper Dba Mi…$15KSan Francisco Baykeeper: received $15K on this topicSan Francisco Baykeeper$15KSanta Barbara Channelkeeper: received $10K on this topicSanta Barbara Channelkeeper$10KCatawba Riverkeeper Foundation: received $6K on this topicCatawba Riverkeeper Foundation$6KWaiwai Ola Waterkeepers Hawaiian Islands: received $6K on this topicWaiwai Ola Waterkeepers Hawaiia…$6KNicoya Peninsula Waterkeeper: received $4K on this topicNicoya Peninsula Waterkeeper$4KKlamath-Siskiyou Wildlands Center: received $2K on this topicKlamath-Siskiyou Wildlands Cent…$2K
12 funders, 38 recipients, grants matching “waterkeeper” 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 →