Greenwater Foundation

Arlington, VA · United States EIN 921506279 (IRS) Science & Technology
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70 / 100
Integrity score
Strong transparency

About

Greenwater Foundation accelerates marine conservation through science, technology, and collaboration — connecting researchers, vessels, and ocean data worldwide.

Mission

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

Category
NTEE code U21
SDG alignment The 17 UN Sustainable Development Goals (SDGs) are the global agenda for ending poverty, protecting the planet, and ensuring prosperity by 2030. We tag each charity to the goals its work advances.

Verification & registration

Every mark links to the official registry entry and opens in a new tab.

Look up EIN 921506279 on the IRS Tax Exempt Organization Search.
IRS
Exempt Organizations · EIN 921506279
Registered
501(c)(03)
Federal tax-exempt subsection
Since 2023
IRS Publication 78: organizations eligible to receive tax-deductible charitable contributions. Re-checked weekly. Tax-deductible
IRS Publication 78 listing
Listed (Pub 78)

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. See exactly what we do and do not have →

Registration 16/20
Government registration ID on record +8
Sourced from official registry +4
Cross-referenced (2+ sources) +4
Profile not yet claimed by organization 0
Financial Transparency 24/30
No financial documents found on website 0
Financial filing on record +8
Revenue figure disclosed +6
Spending figure disclosed +6
Detailed financial breakdown disclosed +4
Governance 13/20
At least 1 officer disclosed +5
Fewer than 3 officers disclosed 0
Officer titles disclosed +2
Executive compensation not disclosed 0
Mission / description on file +3
Founding date on file +3
Contact Availability 7/10
Website +3
No email on file 0
Phone +2
Physical address +2
Data Recency 10/20
Updated within 2 years +10
Newer data needed for full score 0
Red flags 0
No red flags detected, so nothing is deducted 0

Financials

IRS Form 990
Annual revenue
$1.2 million
Reporting year
2024
To programmes
90%
See 5 years of financials
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Leadership at a glance

Official filings
MA
Margaret R••••••••
Executive Director
GiveRadarGiveRadar 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
GiveRadar has verified
  • 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.

Annual revenue
$1.2 million
90% to programs. Figures from IRS Form 990.
See 5 years of financials

Filing history

1 year on file from IRS Form 990: revenue, expenses, program spending, assets, and liabilities by fiscal year.

Years on record: 2024.
Financial details are free with a GiveRadar account

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Tax 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.

Sometimes deductible

Donations may be tax-deductible for residents of United States under local rules. Confirm with the charity directly.

This is general guidance, not tax advice. Confirm treatment with the charity or your tax advisor before donating.

Leadership & board

Official filings

Board members and senior officers on record, with disclosed pay where available.

MA
Margaret R••••••••
Executive Director
See full names, roles, and stories

1 officers and trustees on file, free with a GiveRadar account.

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Officer names and roles come straight from official filings. We mirror the official record exactly and never edit it.

No red flags detected

Screened for the risks donors care about.
IRS revocation history None found
Open investigations None found
Governance scandals None found
Related-party deals None found
Excessive exec comp None found

Timeline

From official filings

Key dates from this charity's official filings, newest first.

FY2024
Form filed
$1.2M revenue, IRS Form 990

In the news

From public news

No recent news coverage found

News coverage will appear here when articles mention this organization.

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Where it ranks

#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.

Integrity score70/100
#1,885 of 7,612 tie
Governance disclosure4/5
#1,762 of 7,612 tie
Contact completeness7/10
#1,444 of 7,612 tie
Data freshness10/20
#4,959 of 7,612 tie
Profile completeness87%
#473 of 7,612 tie
Independent sources9 sources
#134 of 7,612 tie
Filing history depth1 year
#2,860 of 3,236 tie
Agefounded 2023
#1,846 of 1,925 tie
Revenue size$1M to $10M
#235 of 3,150 tie

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.

Program spending Ahead of peers
This charity
90% Peer average
81%
Integrity Assessment Behind peer average
This charity
70 Peer average
90

Cause areas in United States

Charities working in each area, this charity's highlighted.

Human Services
322,681
Education
195,585
Arts & Culture
133,131
Advocacy & Civil Rights
128,026
Religion
114,638
Health
98,864
Community Development
56,086
Youth Development
53,450
Science & Technology
7,612
See all cause areas

Sources and verification

Registration and legal identity
Internal Revenue Service (IRS) - Tax Exempt Organization Search
Financial filings
IRS Form 990 filings · Fiscal year 2024 most recent on file.
Officers and trustees
Internal Revenue Service (IRS) - Tax Exempt Organization Search · 1 disclosed in the public registry.
News and media coverage
GDELT Project + Google News
Supplementary verification
ProPublica Nonprofit Explorer
Supplementary verification
Charity Navigator

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.

Financial data
Named leadership
Government registration
Mission statement
Official website
Headquarters address
Direct contact
Tax-deductibility
Founding date
Executive pay
Programs & activities

Data freshness

How current this profile is, and when we last checked it against the official source.

Last updated
August 30, 2026
Profile edits and newly added data
Registry checked
August 30, 2026
Reconciled with the official source
Latest financials
Financial year 2024
Most recent filing on record
Profile completeness
85%
Data points we track that are filled in

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 methodology
Are you the owner or a board member?

If 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.

FAQ

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/