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Waterkeeper Alliance Inc

Waterkeeper Alliance protects our right to clean, healthy, and abundant water for all people and the planet.

Environment New York, NY EIN: 134071318 (IRS) Sign up to see website
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72
Integrity Assessment
Strong transparency
72/100 · methodology

About Waterkeeper Alliance Inc

Waterkeeper Alliance protects our right to clean, healthy, and abundant water for all people and the planet.

Founded
Headquarters
New York, NY
Foundation type
Publicly-supported charity (509(a)(2))
NTEE code
C013
IRS subsection
501(c)(03)
Ruling date
Size
large
Operating in
35 countries

Verified certifications

Confirmed against the issuing authority - not self-reported.

IRS Tax-Deductible since 2000

Mission

Waterkeeper Alliance protects our right to clean, healthy, and abundant water for all people and the planet.

Focus areas & reach

· What they work on and where
🌿 Environment · NTEE C013
Cause tags
Operating countries (35)
Australia Bahamas Bangladesh Bhutan Brazil Cambodia Canada Chile China Colombia Costa Rica Dominican Republic Ecuador Guatemala India Indonesia Israel Jordan Kenya Mexico Nepal Nigeria Palestine Peru Senegal Sri Lanka Sweden Thailand Togo Uganda Ukraine United Kingdom United States Zambia Zimbabwe

How it stacks up against peers

· vs. 8 similar environment in United States
Program spending This charity: 82%
Peer average: 78%
CEO comp as % of revenue This charity: 3.20%
Peer average: 0.48%
Integrity Assessment This charity: 72
Peer average: 90

Concerns

· None found
No red flags found
Screened for IRS revocation history, Open investigations, Governance scandals, Related-party deals, Excessive exec comp.

Where every $1 goes

· FY2023 · IRS 990 (FY2023)
$0.82
Program$0.82
82% to programs beats the peer average (78%) and beats the Charity Navigator "highly efficient" threshold (75%).

GiveRadar Analysis

Original analysis from GiveRadar's dataset of comparable organizations

Based on the records currently verified by GiveRadar, Waterkeeper Alliance Inc has a complete profile, cross-referenced across 6 independent sources including the IRS.

  • GiveRadar holds 13 years of financial filings for this organization, the most recent for fiscal year 2023 - a deeper filing history than 99% of the 13,585 environment charities in the United States with filings on record. See the filings
  • GiveRadar has cross-referenced this organization across 6 independent sources, led by the IRS - more than 97% of comparable charities. See the sources
  • GiveRadar holds a more complete profile for this organization than for 75% of the 30,143 environment charities in the United States it tracks, because GiveRadar has verified its financial disclosures and its governance. Most of those have little verified data on record yet. View this cohort
GiveRadar has verified
  • government registration
  • financial records (13 filed years)
  • disclosed leadership
  • a website
  • a donation page
  • third-party accreditation
Not yet verified by GiveRadar
  • a contact email
  • an owner-submitted profile claim

Analysis based on GiveRadar's benchmark dataset of 2026-07-03. It describes what GiveRadar has verified, not a judgment of the organization itself.

Common questions

· Auto-generated from filings + methodology

Waterkeeper Alliance Inc is a registered environment nonprofit based in New York, NY, United States. It is registered with the Internal Revenue Service (IRS). It was founded in 1999 and has been operating for 27 years. Its EIN is 134071318. 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 72/100, which reflects how much public information is available, not whether the charity is legitimate. The organization reports $9M in annual revenue. 61 officers and directors are publicly disclosed. No red flags have been detected.

Waterkeeper Alliance Inc's EIN (Employer Identification Number) is 134071318. 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.

Waterkeeper Alliance Inc has a GiveRadar Integrity Assessment of 72/100. This score combines five components: Registration (20 pts), Financial Transparency (30 pts), Governance (20 pts), Contact Availability (10 pts), and Data Recency (20 pts), with negative adjustments for any red flags. A score of 72 ('Strong transparency') reflects well-documented governance, recent financials, named leadership, and working contact details. The charity allocates 82% of expenses to programs, which contributes positively to its score. For comparison, the average integrity assessment for environment charities in United States is 90/100.

Waterkeeper Alliance Inc is located in New York, NY, United States. The organization was established in 1999 and has been active for 27 years. Its registered address is 180 Maiden Lane, United States.

Based on official tax filings, Waterkeeper Alliance Inc has $9M in annual revenue. It allocates 82% of expenses to programs and services. This is in line with the average of 78% for environment charities in United States. Its revenue is significantly above the peer average of $2M. Create a free GiveRadar account to view the complete financial breakdown with year-over-year trends.

Waterkeeper Alliance Inc is classified as an Environment organization, registered in United States. It operates as a Publicly-supported charity (509(a)(2)). By size, it is categorized as a large organization. It has $9M in annual revenue. The organization has 61 disclosed officers and directors.

No red flags have been detected for Waterkeeper Alliance Inc. GiveRadar automatically screens charities for concerning patterns including high executive compensation, low program spending, and missing financial filings. Based on available official data, no issues have been identified.

According to GiveRadar's records, Waterkeeper Alliance Inc 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. It is registered with the Internal Revenue Service (IRS). It reports that 82% of expenses go to programs (the peer average is 78%). You can donate directly through their official donation page linked on their GiveRadar profile. GiveRadar provides data for research and does not endorse any organization. A GiveRadar Integrity Assessment reflects how much public data is available, not whether an organization is safe to donate to, so it is always smart to do your own research before giving.

Waterkeeper Alliance protects our right to clean, healthy, and abundant water for all people and the planet. Waterkeeper Alliance Inc is classified as an environment organization registered in United States. The organization was founded in 1999.

Among environment charities registered in United States: It allocates 82% of expenses to programs, in line with the peer average of 78%. Its annual revenue of $9M is well above the peer average of $2M.

Yes, donations to Waterkeeper Alliance Inc are generally tax-deductible in the United States. Waterkeeper Alliance Inc is a 501(c)(3) tax-exempt organization. Its EIN is 134071318, which you can use for tax filing purposes. Donors can typically deduct contributions on their federal income tax return if they itemize deductions. Consult a tax professional for guidance specific to your situation.

Annual revenue
$1M-$10M
82% to programs
Source: IRS 990 (FY2023) why this matters
Unlock exact figures

Filing history

10 years on file from IRS 990 (FY2023): revenue, expenses, program spending, assets, and liabilities by fiscal year.

Years on record: FY2023, FY2022, FY2021, FY2020, FY2019, FY2018, FY2017, FY2016, FY2015, FY2014.
Financial details are free - with a GiveRadar account

See 5 years of revenue, expense breakdowns, and balance sheet.

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Taxes

Tax-deductibility for donors

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

Always confirm tax treatment with the charity directly or your tax advisor before donating.

Leadership

From FY2023 filing

MA
Marc Y••••
EXECUTIVE DIRECTOR

Officers & trustees (22)

Source: Public filings

See full names, roles, and stories

22 officers and trustees on file - free with a GiveRadar account.

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Latest news

From global news sources

10 articles found

From news sources and the organization. Shown for transparency; news never affects the integrity score.

Activity timeline

Filings and press mentions, merged

Joe Cavanaugh's tenure as Calusa Waterkeeper over after 11 months - WGCU
Apr 2026
www.wgcu.org
Waterkeeper Alliance - Urbanize Atlanta
Apr 2026
atlanta.urbanize.city
Waterkeeper Alliance, Partners Sue to Stop Coal Plants from Poisoning Our Water - Waterkeeper
Jan 2026
waterkeeper.org
Waterkeeper Alliance, Partners Urge USDA to Limit Federal Support for Manure Digesters - Waterkeeper
Jan 2026
waterkeeper.org
Waterkeeper Alliance Urges Zeldin to Reject PFAS-Laden Pesticides - Waterkeeper
Jan 2026
waterkeeper.org
#MUBB Falls 100-77 To Indiana In Waterkeeper Alliance Invitational - Marquette University Athletics
Nov 2025
gomarquette.com
#MUBB Faces Indiana Sunday In Waterkeeper Alliance Invitational - Marquette University Athletics
Nov 2025
gomarquette.com
Waterkeeper Alliance Files FOIA Request to Uncover EPA’s Backroom Dealings on Toxic “Forever Chemicals” in Drinking Wate
Oct 2025
waterkeeper.org
Waterkeeper Alliance and Allies Sue EPA for Abandoning Slaughterhouse Water Pollution Rules - Waterkeeper
Sep 2025
waterkeeper.org
Waterkeeper Alliance Secures Major Legal Win Requiring EPA to Reconsider Outdated Industrial Water Pollution Standards –
Jun 2025
waterkeeper.org
Form filed
$8.8M revenue
FY2023
IRS 990
Form filed
$15.2M revenue
FY2022
IRS 990
Form filed
$11.7M revenue
FY2021
IRS 990
Form filed
$17.3M revenue
FY2020
IRS 990
Form filed
$15.6M revenue
FY2019
IRS/ProPublica
Form filed
$17.7M revenue
FY2018
IRS/ProPublica
Form filed
$20.1M revenue
FY2017
IRS/ProPublica
Form filed
$16.4M revenue
FY2016
IRS/ProPublica
Form filed
$9.9M revenue
FY2015
IRS/ProPublica
Form filed
$10.7M revenue
FY2014
IRS/ProPublica

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Cause areas in United States

How many charities work in each area, with this charity's area highlighted.

Human Services 322,679
Education 195,586
Arts & Culture 133,128
Advocacy & Civil Rights 128,026
Religion 114,636
Health 98,862
Community Development 56,086
Youth Development 53,450
Environment this charity 30,143
See all cause areas in United States

Most common causes in United States

Causes charities work on most.

Community Development 235,146
Education 159,016
Religion 103,741
Arts & Culture 101,203
Human Rights 76,926
Health 65,250
Youth Development 47,775
Animal Welfare 32,425

Sources and verification

Registration and legal identity
Internal Revenue Service (IRS) - Tax Exempt Organization Search
Financial filings
IRS Form 990 filings - Fiscal year 2023 most recent on file.
Officers and trustees
Internal Revenue Service (IRS) - Tax Exempt Organization Search - 61 disclosed in the public registry.
News and media coverage
GDELT Project + Google News
Supplementary verification
ProPublica Nonprofit Explorer
Supplementary verification
GlobalGiving partner directory
Supplementary verification
Charity Navigator

Data freshness

Last updated
Jun 6, 2026
Registry checked
Jun 6, 2026
Profile completeness
100%

What we know and don't know

Exactly which public data we hold on this charity. Our score reflects transparency, not impact.

On record · 10
  • Financial data · FY2023 on record
  • Named leadership · 61 officers on file
  • Executive pay · Disclosed
  • Government registration · Registered with an official registry
  • Mission statement · Published
  • Official website · On record
  • Headquarters address · On file
  • Direct contact · Email or phone published
  • Tax-deductibility · Verified
  • Founding date · 1999
Not available · 1
  • Programs & activities
    No named programs listed by the charity

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 [email protected] with the correct information. We review every request and respond within 30 days.

Quick facts about Waterkeeper Alliance Inc

What is Waterkeeper Alliance Inc?
Waterkeeper Alliance Inc is a environment publicly-supported charity (509(a)(2)) based in New York, United States. Waterkeeper Alliance protects our right to clean, healthy, and abundant water for all people and the planet.
When was Waterkeeper Alliance Inc founded?
Waterkeeper Alliance Inc was founded in 1999.
Who leads Waterkeeper Alliance Inc?
Marc Yaggi serves as EXECUTIVE DIRECTOR.
Where is Waterkeeper Alliance Inc located?
Headquartered in New York, NY, United States. The charity operates in 35 countries.
What is Waterkeeper Alliance Inc's annual budget?
Annual revenue for fiscal year 2023 is approximately $1M-$10M. 82% of expenses go to program services.
Is Waterkeeper Alliance Inc trustworthy?
Waterkeeper Alliance Inc has a GiveRadar Integrity Assessment of 72 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 Waterkeeper Alliance Inc's registration number?
IRS EIN: 134071318.
What is Waterkeeper Alliance Inc's website?
https://waterkeeper.org/