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Biscayne Bay Waterkeeper Inc

In 2024, biscayne bay waterkeeper (d/b/a miami waterkeeper) built on our reputation by navigating challenges, seizing opportunities, and continuing our unwavering commitment to safeguarding our precious waterways and …

Environment Coral Gables, FL EIN: 273627697 (IRS) Sign up to see website
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80
Integrity Assessment
Strong transparency
80/100 · methodology

About Biscayne Bay Waterkeeper Inc

Biscayne Bay Waterkeeper Inc is a environment organization based in CORAL GABLES, United States. Annual revenue: $1.7 million. EIN: 273627697.

Founded
Headquarters
Coral Gables, FL
Foundation type
Publicly-supported charity (509(a)(2))
NTEE code
C32
IRS subsection
501(c)(03)
Ruling date
Size
medium

Verified certifications

Confirmed against the issuing authority - not self-reported.

IRS Tax-Deductible since 2010

Mission

In 2024, biscayne bay waterkeeper (d/b/a miami waterkeeper) built on our reputation by navigating challenges, seizing opportunities, and continuing our unwavering commitment to safeguarding our precious waterways and finding local resiliency solutions to global challenges. We updated our mission and vision to better reflect the work we do and those we serve. The mission of miami waterkeeper is now to protect south florida's waters by advocating for resilient solutions grounded in science, rooted in nature, and driven by community. We have a vision for a resilient south florida that is a global leader in clean water solutions, where thriving communities and nature coexist. Since 2010, miami waterkeeper has defended the right to use and enjoy clean water. We are recognized in the community as a trusted source of information and a leading voice and advocate for biscayne bay and its surrounding watershed. Our work is effective because we employ a multi- faceted approach that includes scien

Focus areas & reach

· What they work on and where

How it stacks up against peers

· vs. 8 similar environment in United States
Program spending This charity: 70%
Peer average: 78%
CEO comp as % of revenue This charity: 4.31%
Peer average: 0.48%
Integrity Assessment This charity: 80
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

· FY2024 · IRS 990 (FY2024)
$0.70
Program$0.70

GiveRadar Analysis

Original analysis from GiveRadar's dataset of comparable organizations

Based on the records currently verified by GiveRadar, Biscayne Bay Waterkeeper Inc has a complete profile, cross-referenced across 3 independent sources including the IRS.

  • GiveRadar holds a more complete profile for this organization than for 90% 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
  • It has more complete contact information than nearly all comparable organizations, with a verified website, email, phone and address on record. See national comparisons
  • By reported annual revenue, it is larger than 77% of the 13,369 environment charities in the United States with financial records on GiveRadar. See the filings
GiveRadar has verified
  • government registration
  • financial records (5 filed years)
  • disclosed leadership
  • a website
  • a contact email
  • third-party accreditation
Not yet verified by GiveRadar
  • a donation page
  • 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

Biscayne Bay Waterkeeper Inc is a registered environment nonprofit based in Coral Gables, FL, United States. It is registered with the Internal Revenue Service (IRS). It was founded in 2010 and has been operating for 16 years. Its EIN is 273627697. 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 80/100, which reflects how much public information is available, not whether the charity is legitimate. The organization reports $4M in annual revenue. 57 officers and directors are publicly disclosed. No red flags have been detected.

Biscayne Bay Waterkeeper Inc's EIN (Employer Identification Number) is 273627697. 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.

Biscayne Bay Waterkeeper Inc has a GiveRadar Integrity Assessment of 80/100. 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 80 ('Strong transparency') reflects well-documented governance, recent financials, named leadership, and working contact details. For comparison, the average integrity assessment for environment charities in United States is 90/100.

Biscayne Bay Waterkeeper Inc is located in Coral Gables, FL, United States. The organization was established in 2010 and has been active for 16 years.

Based on official tax filings, Biscayne Bay Waterkeeper Inc has $4M in annual revenue. It allocates 70% of expenses to programs and services. This is below the average of 78% for environment charities in United States. Create a free GiveRadar account to view the complete financial breakdown with year-over-year trends.

Biscayne Bay Waterkeeper 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 medium organization. It has $4M in annual revenue. The organization has 57 disclosed officers and directors.

No red flags have been detected for Biscayne Bay Waterkeeper 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, Biscayne Bay Waterkeeper 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 70% of expenses go to programs (the peer average is 78%). 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.

Biscayne Bay Waterkeeper Inc is a environment organization based in CORAL GABLES, United States. Annual revenue: $1.7 million. EIN: 273627697. Biscayne Bay Waterkeeper Inc is classified as an environment organization registered in United States. The organization was founded in 2010.

Among environment charities registered in United States: It allocates 70% of expenses to programs, below the peer average of 78%. Its annual revenue of $4M is comparable to the peer average of $2M.

Yes, donations to Biscayne Bay Waterkeeper Inc are generally tax-deductible in the United States. Biscayne Bay Waterkeeper Inc is a 501(c)(3) tax-exempt organization. Its EIN is 273627697, 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
70% to programs
Source: IRS 990 (FY2024) why this matters
Unlock exact figures

Filing history

5 years on file from IRS 990 (FY2024): revenue, expenses, program spending, assets, and liabilities by fiscal year.

Years on record: FY2024, FY2023, FY2022, FY2021, FY2020.
Financial details are free - with a GiveRadar account

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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.

Staff & volunteers

From filings and published profiles

Employees
39

Leadership

From FY2024 filing

RA
Rachel S••••••••••
Chief Executive Offi

Officers & trustees (17)

Source: Public filings

See full names, roles, and stories

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

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Latest news

From global news sources

No recent news coverage found

News coverage will appear here when articles mention this organization.

Activity timeline

Filings and press mentions, merged

Form filed
$4.3M revenue
FY2024
IRS 990
Form filed
$3.8M revenue
FY2023
IRS 990
Form filed
$1.3M revenue
FY2022
IRS 990
Form filed
$1.4M revenue
FY2021
IRS 990
Form filed
$1.0M revenue
FY2020
IRS 990

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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 2024 most recent on file.
Officers and trustees
Internal Revenue Service (IRS) - Tax Exempt Organization Search - 57 disclosed in the public registry.
Supplementary verification
Charity Navigator

Data freshness

Last updated
Jun 12, 2026
Registry checked
Jun 6, 2026
Profile completeness
90%

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 · FY2024 on record
  • Named leadership · 57 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 · 2010
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 Biscayne Bay Waterkeeper Inc

What is Biscayne Bay Waterkeeper Inc?
Biscayne Bay Waterkeeper Inc is a environment publicly-supported charity (509(a)(2)) based in Coral Gables, United States. Biscayne Bay Waterkeeper Inc is a environment organization based in CORAL GABLES, United States. Annual revenue: $1.7 million. EIN: 273627697.
When was Biscayne Bay Waterkeeper Inc founded?
Biscayne Bay Waterkeeper Inc was founded in 2010.
Who leads Biscayne Bay Waterkeeper Inc?
Rachel Silverstein serves as Chief Executive Offi.
Where is Biscayne Bay Waterkeeper Inc located?
Headquartered in Coral Gables, FL, United States.
What is Biscayne Bay Waterkeeper Inc's annual budget?
Annual revenue for fiscal year 2024 is approximately $1M-$10M. 70% of expenses go to program services.
Is Biscayne Bay Waterkeeper Inc trustworthy?
Biscayne Bay Waterkeeper Inc has a GiveRadar Integrity Assessment of 80 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 Biscayne Bay Waterkeeper Inc's registration number?
IRS EIN: 273627697.
What is Biscayne Bay Waterkeeper Inc's website?
https://www.miamiwaterkeeper.org/