funder-graph › Recipients
Who funds Ridges to Riffles Indigenous Conservation Group
EIN 92-1512281 · Eureka, CA · NTEE C30
Ridges to Riffles Indigenous Conservation Group of Eureka, CA (EIN 92-1512281) was named as a grant recipient by 8 funders in 11 grants paid totaling $724,574 in tax years 2024–2025, as reported on the funders' Forms 990-PF and 990 Schedule I. Each edge was resolved to this EIN at the match tier shown. Dataset version 2026.09.0, built 2026-09-03.
Grants received
$724,574
11 grants paid
Funders
8
distinct grantmakers
Tax years
2024–2025
as reported by funders
Approved for future payment
$375,000
not included in grants received
Funders
| Funder | State | Match | Grants | Total paid | Latest year |
|---|---|---|---|---|---|
| The William & Flora Hewlett Foundation 94-1655673 | CA | B | 2 | $400,000 | 2024 |
| Resources Legacy Fund 95-4703838 | CA | A | 1 | $102,000 | 2024 |
| American Rivers Inc 23-7305963 | DC | A | 3 | $88,574 | 2025 |
| Humboldt Area Foundation 23-7310660 | CA | A | 1 | $75,000 | 2025 |
| Environment Now 95-4247242 | CA | B | 1 | $35,000 | 2024 |
| Vanguard Charitable Endowment Program 23-2888152 | PA | A | 1 | $10,000 | 2025 |
| Patricia D & William B Smullin Foundation 93-1055546 | CA | B | 1 | $10,000 | 2024 |
| The Thendara Foundation 31-1126072 | DE | C | 1 | $4,000 | 2025 |
Match tier: A Reported EIN · B Exact name and place · C Strong name match · D Probable name match · U Unresolved. Tiers C and D are inferred, not reported; see how matching works.
Grants
The 12 most recent grants naming this organization.
| Tax year | Funder | Recipient | Match | Amount | Type | Purpose | Source filing |
|---|---|---|---|---|---|---|---|
| 2025 | Humboldt Area Foundation | Ridges to Riffles Indigenous Conservation Group Hoopa, CA | A | $75,000 | paid | GENERAL OPERATING SUPPORT | 202641289349303954 |
| 2025 | American Rivers Inc | Ridges to Riffles Indigenous Conservation Group Eureka, CA | A | $68,574 | paid | RESTORE DAMAGED RIVERS AND WATERS | 202610909349301811 |
| 2025 | Vanguard Charitable Endowment Program | Ridges to Riffles Indigenous Conservation Group Eureka, CA | A | $10,000 | paid | FOR RECIPIENT'S EXEMPT PURPOSE | 202621329349306657 |
| 2025 | The Thendara Foundation | Ridges to Riffles Indigenous Conservation Group Hoopa, CA | C | $4,000 | paid | GENERAL SUPPORT | 202601289349100845 |
| 2024 | The William & Flora Hewlett Foundation | Ridges to Riffles Indigenous Conservation Group Eureka, CA | B | $375,000 | approved, future | FOR GENERAL OPERATING SUPPORT | 202523189349102727 |
| 2024 | The William & Flora Hewlett Foundation | Ridges to Riffles Indigenous Conservation Group Eureka, CA | B | $375,000 | paid | FOR GENERAL OPERATING SUPPORT | 202523189349102727 |
| 2024 | Resources Legacy Fund | Ridges to Riffles Indigenous Conservation Group Hoopa, CA | A | $102,000 | paid | LAND OR MARINE CONSERVATION, CLIMATE CHANGE, AND/OR ENVIRONMENTAL EQUITY AND JUSTICE | 202512899349301311 |
| 2024 | Environment Now | Ridges to Riffles Indigenous Conservation Group Eureka, CA | B | $35,000 | paid | INDIGENOUS CONSERVATION | 202543219349102864 |
| 2024 | The William & Flora Hewlett Foundation | Ridges to Riffles Indigenous Conservation Group Eureka, CA | B | $25,000 | paid | FOR LEGAL TECHNICAL ASSISTANCE | 202523189349102727 |
| 2024 | Patricia D & William B Smullin Foundation | Ridges to Riffles Indigenous Conservation Group Eureka, CA | B | $10,000 | paid | SUPPORT FOR GENERAL OPERATING COSTS | 202531349349101503 |
| 2024 | American Rivers Inc | Ridges to Riffles Indigenous Conservation Group Eureka, CA | A | $10,000 | paid | RESTORE DAMAGED RIVERS AND WATERS | 202511359349317316 |
| 2024 | American Rivers Inc | Ridges to Riffles Indigenous Conservation Group Eureka, CA | A | $10,000 | paid | RESTORE DAMAGED RIVERS AND WATERS | 202620269349301652 |
Match tier: A Reported EIN · B Exact name and place · C Strong name match · D Probable name match · U Unresolved. Tiers C and D are inferred, not reported; see how matching works.
Recipient matching for this dataset version has not yet completed its independent precision check. Tier A rows carry the EIN the filer reported; tiers B–D are inferred and should be read as leads until the check is published on the methodology page.
Derived from IRS Form 990-PF and Form 990 Schedule I e-file XML filed by the funders shown; this organization's identity from the IRS Exempt Organizations Business Master File. Dataset version 2026.09.0, built 2026-09-03. The rows as Parquet: manifest.
The same organization elsewhere in the program: exempt status and filing health · federal awards · grant guidance · open opportunities.
This is informational only, derived from public data on the dates shown. It is not an eligibility determination, and not legal, tax, or accounting advice. Verify against the official source before relying on it.