Greenwater Foundation
About
Greenwater Foundation accelerates marine conservation through science, technology, and collaboration — connecting researchers, vessels, and ocean data worldwide.
Greenwater Foundation provides leadership of marine conservation and humanitarian efforts undertaken by diverse organizations (governments, universities, NGOs, and private companies) by providing coordination of affordable vessels and science assets to achieve more efficient operations and larger collaboration all over the world.
Focus & reach
Verification & registration
Every mark links to the official registry entry and opens in a new tab.
Integrity assessment
A score from 0 to 100 for how openly a charity shares public information across five areas: registration, financial disclosure, governance, contact details, and data recency. It does not measure programme impact. document.querySelector('#data-knowledge') && document.querySelector('#data-knowledge').scrollIntoView({behavior:'smooth', block:'start'}))" class="gr-link" style="color:#0E827A;font-weight:700;text-decoration:none;cursor:pointer">See exactly what we do and do not have →
Financials
IRS Form 990Leadership at a glance
Official filings
GiveRadar Intelligence
GiveRadar Analysis
GiveRadar's verified records show Greenwater Foundation with a complete profile, cross-referenced across 5 independent sources including the IRS.
- GiveRadar has cross-referenced this organization across 5 independent sources, led by the IRS - more than 96% of similar organizations. See the sources
- GiveRadar has verified more about this organization than about 71% of the 7,612 science & technology charities in the United States it tracks, because GiveRadar has verified its financial disclosures and its registration. Most of those have little verified data on record yet. View this cohort
- It has more complete governance disclosure than 66% of similar organizations, because GiveRadar has verified leadership, a mission statement and a founding date. See national comparisons
- government registration
- financial records
- disclosed leadership
- a website
- a donation page
- third-party accreditation
Analysis based on GiveRadar's benchmark dataset of 2026-09-07. It describes what GiveRadar has verified, not a judgment of the organization itself.
Filing history
1 year on file from IRS Form 990: revenue, expenses, program spending, assets, and liabilities by fiscal year.
See 5 years of revenue, expense breakdowns, and balance sheet.
Sign up to viewTax deductibility
Whether a gift to Greenwater Foundation lowers your own taxes depends on where you pay them. Choose your country to see the rule that applies.
Donations may be tax-deductible for residents of United States under local rules. Confirm with the charity directly.
GREENWATER FOUNDATION is registered in United States. Donations from the Netherlands to charities outside the EU/EEA are generally not tax-deductible for Dutch donors unless the charity is listed on the Dutch ANBI register with foreign-recognized status.
This is general guidance, not tax advice. Confirm treatment with the charity or your tax advisor before donating.
Leadership & board
Official filingsBoard members and senior officers on record, with disclosed pay where available.
1 officers and trustees on file, free with a GiveRadar account.
No red flags detected
Timeline
From official filingsKey dates from this charity's official filings, newest first.
In the news
No recent news coverage found
News coverage will appear here when articles mention this organization.
#1,885 of 7,612 science & technology charities in the United States on integrity score
70/100 puts it in the top 26% of the cohort, tied with 359 others. Positions are competition ranks: ties share a position. Cohorts are the tightest local peer set with at least 30 comparable organizations; a metric is left out where the cohort is too small or nearly uniform.
Bars show the share of the cohort this charity outranks. Ranks describe how much is publicly disclosed, not how good the charity is.
How it stacks up against peers
Compared with 8 similar science & technology charities in United States.
Cause areas in United States
Charities working in each area, this charity's highlighted.
Sources and verification
- Officers and trustees
- Internal Revenue Service (IRS) - Tax Exempt Organization Search · 1 disclosed in the public registry.
What we know and don't know
Every data point we track for this charity, and whether we have found it. Disclosure only, never a judgment of the charity's work.
Data freshness
How current this profile is, and when we last checked it against the official source.
Methodology
GiveRadar builds each profile primarily from official government charity registries, supplemented where available by third-party nonprofit databases and news archives, and combines it into a single 0-100 integrity assessment. The exact sources for this charity are listed above. We don't take a cut of any donation, ever.
Read full methodologyIf you represent this organization and want to correct or update its data, you can claim this listing to edit details yourself, or email info@giveradar.com with the correct information. We review every request and respond within 30 days.
Frequently asked questions about Greenwater Foundation
Greenwater Foundation is a registered science & technology nonprofit based in Arlington, VA, United States. It is registered with the Internal Revenue Service (IRS). It was founded in 2023. Its EIN is 921506279. According to GiveRadar's records, it holds active tax-deductible status on the IRS Publication 78 list, which means donations are tax-deductible and the organization is in good standing with the IRS. GiveRadar's Integrity Assessment for the organization is 70/100, which reflects how much public information is available, not whether the charity is legitimate. The organization reports $1M in annual revenue. No red flags have been detected. Recent news coverage is predominantly positive.
Based on official filings, Greenwater Foundation has $1M in annual revenue. It allocates 90% of expenses to programs and services. This is above the average of 81% for science & technology charities in United States. Its revenue is below the peer average of $15M. Create a free GiveRadar account to view the complete financial breakdown with year-over-year trends.
Greenwater Foundation accelerates marine conservation through science, technology, and collaboration — connecting researchers, vessels, and ocean data worldwide. Greenwater Foundation is classified as a science & technology organization registered in United States. The organization was founded in 2023.
Greenwater Foundation is classified as a Science & Technology organization, registered in United States. It operates as a Publicly-supported charity (509(a)(2)). By size, it is categorized as a medium organization. It has $1M in annual revenue.
Greenwater Foundation's EIN (Employer Identification Number) is 921506279. This is the organization's IRS tax identification number; you can use it to verify tax-exempt status and to look up its Form 990 filings with the IRS.
Greenwater Foundation is located in Arlington, VA, United States. The organization was established in 2023 and has been active for 3 years.
Among science & technology charities registered in United States: It allocates 90% of expenses to programs, above the peer average of 81%. Its annual revenue of $1M is below the peer average of $15M.
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Quick facts about Greenwater Foundation
- What is Greenwater Foundation?
- Greenwater Foundation is a science & technology publicly-supported charity (509(a)(2)) based in Arlington, United States. Greenwater Foundation accelerates marine conservation through science, technology, and collaboration — connecting researchers, vessels, and ocean data worldwide.
- When was Greenwater Foundation founded?
- Greenwater Foundation was founded in 2023.
- Who leads Greenwater Foundation?
- Margaret Ruxton serves as Executive Director.
- Where is Greenwater Foundation located?
- Headquartered in Arlington, VA, United States.
- What is Greenwater Foundation's annual budget?
- Annual revenue for fiscal year 2024 is $1.2 million. 90% of expenses go to program services.
- Is Greenwater Foundation trustworthy?
- Greenwater Foundation has a GiveRadar Integrity Assessment of 70 out of 100 (Strong transparency). The score reflects public-data transparency: registration, financial disclosure, governance, contact details, and how recently data was refreshed. It does not measure program impact.
- What is Greenwater Foundation's registration number?
- IRS EIN: 921506279.
- What is Greenwater Foundation's website?
- https://greenwaterfoundation.org/