Charities United States Environment Gills Creek Watershed Association
GI

Gills Creek Watershed Association

The mission is to restore and protect the Gills Creek Watershed from such contaminations as trash, sedimentation and pollution. The most significant activities include work done to clean …

Environment Columbia, SC EIN 582426772 · IRS Sign up to see website
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85
Integrity Assessment
Strong transparency
85/100 · methodology

About Gills Creek Watershed Association

No organisational description on file yet. The metadata below comes directly from the official registry.

Founded
Headquarters
Columbia, SC
Foundation type
Publicly-supported charity (509(a)(2))
NTEE code
C32
IRS subsection
501(c)(03)
Ruling date

Verified certifications

Confirmed against the issuing authority - not self-reported.

IRS Tax-Deductible since 1999

Mission

The mission is to restore and protect the Gills Creek Watershed from such contaminations as trash, sedimentation and pollution. The most significant activities include work done to clean the waterwhed.

Focus areas & reach

· What they work on and where
🌿 Environment · NTEE C32
Cause tags

How it stacks up against peers

· vs. 8 similar environment in United States
Program spending This charity: 0%
Peer average: 91%
Integrity Assessment This charity: 85
Peer average: 91

Red flags

· All clear
IRS revocation history
Open investigations
Governance scandals
Related-party deals
Excessive exec comp

Common questions

· Auto-generated from filings + methodology

Gills Creek Watershed Association is a registered environment nonprofit based in Columbia, SC, 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 582426772. It has a GiveRadar Integrity Assessment of 85/100 (Strong transparency), indicating well-documented governance, financials, and contact details. The organization reports $131K in annual revenue. 60 officers and directors are publicly disclosed. No red flags have been detected.

Gills Creek Watershed Association has a GiveRadar Integrity Assessment of 85/100. 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 85 ('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 91/100.

Gills Creek Watershed Association is located in Columbia, SC, United States. The organization was established in 1999 and has been active for 27 years.

Based on official tax filings, Gills Creek Watershed Association has $131K in annual revenue. 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.

Gills Creek Watershed Association is classified as a Environment organization, registered in United States. It operates as a Publicly-supported charity (509(a)(2)). It has $131K in annual revenue. The organization has 60 disclosed officers and directors.

No red flags have been detected for Gills Creek Watershed Association. 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.

Gills Creek Watershed Association has a GiveRadar Integrity Assessment of 85/100 (Strong transparency) and no red flags have been detected, which suggests it is a well-documented organization. It is regulated by the IRS. You can donate directly through their official donation page linked on their GiveRadar profile. GiveRadar provides data for research purposes and does not endorse any organization. Always do your own due diligence.

The mission is to restore and protect the Gills Creek Watershed from such contaminations as trash, sedimentation and pollution. The most significant activities include work done to clean the waterwhed. Gills Creek Watershed Association is classified as a environment organization registered in United States. The organization was founded in 1999.

Among environment charities registered in United States: Gills Creek Watershed Association's GiveRadar Integrity Assessment of 85/100 is in line with the peer average of 91/100. Its annual revenue of $131K is below the peer average of $2M.

Yes, donations to Gills Creek Watershed Association are generally tax-deductible in the United States. Gills Creek Watershed Association is a 501(c)(3) tax-exempt organization. Its EIN is 582426772, 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.

Verified against 4 official sources, last refreshed .

Annual revenue
$100K-$1M
0% to programs
Source: IRS 990 (FY2025) why this matters
Unlock exact figures

Filing history

5 years on file from IRS 990 (FY2025): revenue, expenses, program spending, assets, and liabilities by fiscal year.

Years on record: FY2025, FY2024, FY2023, FY2022, FY2021.
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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

MA
Mark Robertson
President

Officers & trustees (19)

Source: Public filings

AN
Andrew M•••••••
BOARD MEMBER
BR
Bryant D••••
BOARD MEMBER
EM
Emily J••••
BOARD MEMBER
FR
Frank F••••
VP
FR
Frank R•••••••
BOARD MEMBER
GR
Gray L•••
BOARD MEMBER
GU
Guillermo E•••••••
BOARD MEMBER
GW
Gwen G•••••
PRESIDENT
JA
Janet H••••
BOARD MEMBER
LA
Lauren M••••• M•••••
BOARD MEMBER
MA
Madilyn F•••••••
BOARD MEMBER
MA
Mark R••••••••
TREASURER
RO
Rob R••••••••
BOARD MEMBER
SA
Sally H••••••
SECRETARY
SA
Sam A•••
BOARD MEMBER
SC
Scott E••••••
BOARD MEMBER
TA
Tameria W•••••
BOARD MEMBER
TO
Tom K•••••••
BOARD MEMBER
WR
Wrenn B••••••
BOARD MEMBER
Full names, contact details & compensation

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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
$0.1M revenue
FY2025
IRS_990
Form filed
$0.1M revenue
FY2024
IRS_990
Form filed
$0.1M revenue
FY2023
IRS_990
Form filed
$0.7M revenue
FY2022
IRS_990
Form filed
$0.2M revenue
FY2021
IRS_990

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Peer charities

Other environment in United States, by integrity assessment

Charity Score Revenue Program %
Gills Creek Watershed Association This page 85 $131,212 -
Baduwat Watershed Council 93 $426,600 100%
Birds of Prey Foundation 93 $396,950 82%
Keep Nassau Beautiful Inc 93 $296,240 81%
California Irrigation Institute Inc 90 $108,053 100%
White Clay Watershed Association 90 $388,718 84%
Trout Unlimited 90 $771,789 96%
Association of New Jersey Recyclers Inc 90 $292,455 88%
Rochester Ecology Partners Inc 90 $444,787 94%

Sources and verification

Refreshed

Registration and legal identity
Internal Revenue Service (IRS) - Tax Exempt Organization Search
Financial filings
IRS Form 990 filings - Fiscal year 2025 most recent on file.
Officers and trustees
Internal Revenue Service (IRS) - Tax Exempt Organization Search - 60 disclosed in the public registry.
Supplementary verification
Charity Navigator

Data freshness

Last updated
May 27, 2026
Profile completeness
65%

What we don't know

Honest gaps - our score reflects transparency, not impact

Programs & projects
No named programs listed by the charity
Operating reach
Countries where programs run not specified

Methodology

GiveRadar combines public registry filings, ProPublica Nonprofit Explorer, Charity Navigator, GuideStar, and news archives into a single 0-100 integrity assessment. We don't take a cut of any donation, ever.

Read full methodology

Quick facts about Gills Creek Watershed Association

What is Gills Creek Watershed Association?
Gills Creek Watershed Association is a environment publicly-supported charity (509(a)(2)) based in Columbia, United States. The mission is to restore and protect the Gills Creek Watershed from such contaminations as trash, sedimentation and pollution. The most significant activities include work done to clean the waterwhed.
When was Gills Creek Watershed Association founded?
Gills Creek Watershed Association was founded in 1999.
Who leads Gills Creek Watershed Association?
Mark Robertson serves as President.
Where is Gills Creek Watershed Association located?
Headquartered in Columbia, United States.
What is Gills Creek Watershed Association's annual budget?
Annual revenue for fiscal year 2025 is approximately $100K-$1M. 0% of expenses go to program services.
Is Gills Creek Watershed Association trustworthy?
Gills Creek Watershed Association has a GiveRadar Integrity Assessment of 85 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 Gills Creek Watershed Association's registration number?
IRS EIN: 582426772.
What is Gills Creek Watershed Association's website?
http://www.gillscreekwatershed.org