Mission
Elkhorn Slough is one of California’s most important coastal wetlands, providing habitat for diverse wildlife, including endangered species. The organization is dedicated to the preservation of the slough's rich biodiversity and its essential environmental services, such as water filtration and carbon sequestration.
Basic Information
Founded in
1982
EIN
94-2823247
Total Assets
$41.26 million
UN Sustainable Development Goals Supported
This organization contributes to the following United Nations Sustainable Development Goals. See the SDG page for more information.
At a Glance

Visit Elkhorn Slough
Experience the unique ecosystems and biodiversity of Elkhorn Slough in person.

Community Engagement
Programs designed to nurture relationships with the land and community.

Outdoor Classroom
Educational programs designed for students to learn about coastal ecosystems.
Impact Stats
Gallons of groundwater saved annually
Groundwater Savings
Contributing to groundwater conservation efforts.
Number of threatened/endangered species
Species Protection
Protecting threatened and endangered species in the area.
Percentage of watershed protected
Watershed Protection
Protection of significant portions of the surrounding watershed.
Our Programs

Tidal Wetland Program
A program dedicated to the conservation and restoration of tidal wetlands along the slough.
Learn MoreImpact Reports
MIP Score (Beta)
The MIP Score is in beta! We'd love any feedback you may have.
The MIP Score and it's methodology is purely used as a way to visualize how a nonprofits public financial data compares against others. It doesn't reflect the unique circumstances and impact that a nonprofit has.The MIP Score should never be used to say one charity is better than another.
Overall Score
78
76
/100
Program Expense Ratio
80.55%
14
/20
Program Revenue Growth
162.96%
20
/20
Leverage Ratio
0.01862
20
/20
Working Capital Ratio
9.779
20
/20
Fundraising Efficiency
0
2
/20
Latest Filing Data: Form 990
Fiscal Year:2021
Source:Source: Self-reported by organization
Financial Details
Revenue
Category | Amount | Percentage |
---|---|---|
Contributions, Gifts, and Grants | 3.425M | 74.34% |
Program Services | 79.59K | 1.73% |
Investment Income | 198.9K | 4.32% |
Sales of Non-Inventory Assets | 428.6K | 9.30% |
Other Notable Sources | 331.9K | 7.20% |
Total Revenue | 4.607M | 100.00% |
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