Charleston Waterkeeper
CHARLESTON WATERKEEPER'S MISSION IS TO PROTECT AND RESTORE CHARLESTON'S WATERWAYS FOR OUR COMMUNITY AND FOR FUTURE GENERATIONS. WE DO THAT THROUGH A UNIQUE MIX OF BOOTS-ON-THE-WATER STEWARDSHIP WORK …
GiveRadar doesn't take a cut. We couldn't find a direct donate page, so visit their site.
Visit charlestonwaterkeeper.o…About Charleston Waterkeeper
Charleston Waterkeeper -Protecting Charleston's waterways. Every story in Charleston traces its origins to the water.
Verified certifications
Confirmed against the issuing authority - not self-reported.
Mission
Charleston waterkeeper's mission is to protect and restore charleston's waterways for our community and for future generations. We do that through a unique mix of boots-on-the-water stewardship work and data-driven clean water policy campaigns designed to protect the public's fundamental right to clean, healthy waterways.
Focus areas & reach
· What they work on and whereHow it stacks up against peers
· vs. 8 similar environment in United StatesConcerns
· 1 red flagWhere every $1 goes
· FY2024 · IRS 990 (FY2024)GiveRadar Analysis
Original analysis from GiveRadar's dataset of comparable organizations
From what GiveRadar has verified so far, Charleston Waterkeeper has a complete profile, cross-referenced across 3 independent sources including the IRS.
- GiveRadar holds a more complete profile for this organization than for 80% 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
- It has more complete governance disclosure than nearly all comparable organizations, because GiveRadar has verified leadership, executive compensation, a mission statement and a founding date. See national comparisons
- government registration
- financial records (5 filed years)
- disclosed leadership
- a website
- a contact email
- third-party accreditation
- 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 + methodologyCharleston Waterkeeper is a registered environment nonprofit based in Mt Pleasant, SC, United States. It is registered with the Internal Revenue Service (IRS). It was founded in 2009 and has been operating for 17 years. Its EIN is 264178586. 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 74/100, which reflects how much public information is available, not whether the charity is legitimate. The organization reports $746K in annual revenue. 42 officers and directors are publicly disclosed. GiveRadar has identified 1 potential concern.
Charleston Waterkeeper's EIN (Employer Identification Number) is 264178586. 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.
Charleston Waterkeeper has a GiveRadar Integrity Assessment of 74/100. 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 74 ('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.
Charleston Waterkeeper is located in Mt Pleasant, SC, United States. The organization was established in 2009 and has been active for 17 years. Its registered address is 514 Mill St Ste E, United States.
Based on official tax filings, Charleston Waterkeeper has $746K in annual revenue. It allocates 65% of expenses to programs and services. This is below the average of 72% for environment charities in United States. Its revenue is below the peer average of $2M. Create a free GiveRadar account to view the complete financial breakdown with year-over-year trends.
Charleston Waterkeeper 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 small organization. It has $746K in annual revenue. The organization has 42 disclosed officers and directors.
GiveRadar has identified 1 potential concern for Charleston Waterkeeper. Red flags are automatically detected from official data and may include high executive compensation relative to budget, low program spending, or missing financial filings. Red flags do not necessarily mean wrongdoing but indicate areas that may warrant further review before donating.
According to GiveRadar's records, Charleston Waterkeeper 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 65% of expenses go to programs (the peer average is 72%). 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.
Charleston Waterkeeper -Protecting Charleston's waterways. Every story in Charleston traces its origins to the water. Charleston Waterkeeper is classified as an environment organization registered in United States. The organization was founded in 2009.
Among environment charities registered in United States: It allocates 65% of expenses to programs, below the peer average of 72%. Its annual revenue of $746K is below the peer average of $2M.
Yes, donations to Charleston Waterkeeper are generally tax-deductible in the United States. Charleston Waterkeeper is a 501(c)(3) tax-exempt organization. Its EIN is 264178586, 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.
Filing history
5 years on file from IRS 990 (FY2024): revenue, expenses, program spending, assets, and liabilities by fiscal year.
See 5 years of revenue, expense breakdowns, and balance sheet.
Sign up to viewTaxes
Tax-deductibility for donors
Donations may be tax-deductible for residents of United States under local rules. Confirm with the charity directly.
CHARLESTON WATERKEEPER 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.
Always confirm tax treatment with the charity directly or your tax advisor before donating.
Staff & volunteers
From filings and published profiles
Leadership
From FY2024 filing
Officers & trustees (16)
Source: Public filings
16 officers and trustees on file - free with a GiveRadar account.
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
No reviews yet. Be the first to share your experience.
Have you donated or volunteered here?
Share your experience - it takes 30 seconds. Verified reviews help other donors decide.
Sign up to write a reviewCause areas in United States
How many charities work in each area, with this charity's area highlighted.
Most common causes in United States
Causes charities work on most.
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 - 42 disclosed in the public registry.
- Supplementary verification
- Charity Navigator
Data freshness
What we know and don't know
Exactly which public data we hold on this charity. Our score reflects transparency, not impact.
-
Financial data · FY2024 on record
-
Named leadership · 42 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 · 2009
-
Programs & activitiesNo 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 methodologyAre 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.
Report an issue
Tell us what's wrong with this charity's page. We review every report and typically reply within 2 business days.
Report sent
Thanks for flagging this. Our team will review it.
Press Esc to close
Save Charleston Waterkeeper?
Create a free GiveRadar account to save charities and track them in your dashboard.
Quick facts about Charleston Waterkeeper
- What is Charleston Waterkeeper?
- Charleston Waterkeeper is a environment publicly-supported charity (509(a)(2)) based in Mt Pleasant, United States. Charleston Waterkeeper -Protecting Charleston's waterways. Every story in Charleston traces its origins to the water.
- When was Charleston Waterkeeper founded?
- Charleston Waterkeeper was founded in 2009.
- Who leads Charleston Waterkeeper?
- R Kent Griffin serves as CHAIRMAN.
- Where is Charleston Waterkeeper located?
- Headquartered in Mt Pleasant, SC, United States.
- What is Charleston Waterkeeper's annual budget?
- Annual revenue for fiscal year 2024 is approximately $100K-$1M. 65% of expenses go to program services.
- Is Charleston Waterkeeper trustworthy?
- Charleston Waterkeeper has a GiveRadar Integrity Assessment of 74 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 Charleston Waterkeeper's registration number?
- IRS EIN: 264178586.
- What is Charleston Waterkeeper's website?
- https://charlestonwaterkeeper.org