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The Mono Lake Foundation

Foundation · Grantmaker Lee Vining, CA EIN: 77-0051124 Website

THE MONO LAKE FOUNDATION (KNOWN AS THE MONO LAKE COMMITTEE) IS A NON-PROFIT CITIZEN'S GROUP DEDICATED TO PROTECTING AND RESTORING MONO LAKE, ITS TRIBUTARY STREAMS, AND SURROUNDING LANDS, EDUCATING THE PUBLIC ABOUT MONO LAKE AND THE IMPACTS ON THE ENVIRONMENT OF EXCESSIVE WATER USE, AND PROMOTING COOPERATIVE SOLUTIONS THAT PROTECT MONO LAKE AND MEET REAL WATER NEEDS WITHOUT TRANSFERRING ENVIRONMENTAL PROBLEMS TO OTHER AREAS.

Key facts about The Mono Lake Foundation

EIN
77-0051124
Latest 990 filing
Form 990-PF, 2024
Annual giving (2024)
$26,000
Grants made (2024)
2
Average grant
$13,000
Median grant
$13,000
Total assets
$17,747,859
Primary geography
California (62% of itemized 2024 grant dollars)

Data from IRS Form 990-PF, 2024; updated September 2026.

How The Mono Lake Foundation gives

  • Giving fell 68% from 2021 to 2024. Method

From the foundation's IRS Form 990-PF filings. Methodology.

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Financial Overview

From 2024 IRS Form 990-PF · View filing

Total Assets

$17.7M

+16.0% YoY

Annual Giving

$26K

-26.8% YoY

Grant Count

2

-33.3% YoY

Avg Grant Size

$13K

+9.9% YoY

About The Mono Lake Foundation

Based on IRS filings

The Mono Lake Foundation is a nonprofit organization focused on Philanthropy, Voluntarism & Grantmaking, based in Lee Vining, CA. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $17.7M in total assets. In 2024, it awarded 2 grants totaling $26K. Net investment income was $350K.

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Geographic Focus

Where this funder awards grants

Grant Distribution by State

3states

Share of all 2 itemized 2024 grant dollars.

Cities

PetalumaBishopKailuaHelentLee ViningMammoth Lakes

Financial History

Multi-year comparison from IRS filings

Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$1M$3M$4M$6M20202021202220232024
Metric202420232022
Total Assets$17,747,859$15,293,399$14,233,787
Revenue$5,226,688$3,695,725$3,794,468
Expenses$4,113,833$3,695,027$3,290,303
Qualifying Distributions———
Net Investment Income$350,324$388,898$332,932
Distributable Amount———

Data update history

When this profile's IRS filing data changed on Grantable

  1. IRS filings on file for fiscal years 2020–2024

Giving Over Time

Total grant dollars and number of grants per year

$0$20K$40K$61K$81K3 grants20202 grants20212 grants20223 grants20232 grants2024

Grant Insights

How this funder distributes its grants

Top Recipients

Top 2 recipients in 2024

Point Blue Conservation Science: $16KPoint Blue ConservationScience$16KOikonos: $10KOikonos$10K

Grant Size Distribution

12 grants across all recorded years

11<$50K1$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

Giving History

Grant recipients and amounts by year

Among its reported 2024 grants, the largest recipients include Point Blue Conservation Science ($16,000), Oikonos ($10,000).

RecipientPurposeAmount
POINT BLUE CONSERVATION SCIENCE Petaluma, CACALIFORNIA GULL RESEARCH$16,000
OIKONOS Kailua, HIPHALAROPE RESEARCH$10,000

Leadership & Key People

Officers and directors from IRS filings

Compensation Overview

From 2024 IRS filing

Geoffrey McQuilkin — Excutive Director: $150KGeoffrey McQuilkinExcutive Director$150K

From 2024 IRS filing

NameTitleHoursCompensation
Sally GainesChairperson5—
David KannerTreasurer5—
Tom SotoSecretary5—
Martha DavisDirector5—
Doug VirtueDirector5—
Sherryl TaylorDirector5—
Vireo GainesDirector5—
Gina RadieveDirector5—
Kristine ZeiglerDirector5—
Geoffrey McQuilkinExcutive Director40$149,639

Subject Areas

Focus areas based on grantmaking activity

Frequently Asked Questions

What is The Mono Lake Foundation?

The Mono Lake Foundation is a nonprofit organization focused on Philanthropy, Voluntarism & Grantmaking, based in Lee Vining, CA. It holds $17.7M in total assets as of 2024.

How large is The Mono Lake Foundation?

As of 2024, The Mono Lake Foundation holds $17.7M in total assets with $5.2M in annual revenue. It awarded 2 grants totaling $26K in 2024.

Where does The Mono Lake Foundation operate?

The Mono Lake Foundation has awarded grants in California, Hawaii, Montana.

What size grants does The Mono Lake Foundation award?

In 2024, The Mono Lake Foundation awarded 2 grants totaling $26K — an average of about $13K per grant, based on its IRS Form 990 filings.

What is The Mono Lake Foundation's EIN?

The Mono Lake Foundation's EIN (Employer Identification Number) is 77-0051124. IRS Form 990 filing data is available on this page for 2020–2024.

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Data last updated September 2026. Sourced from IRS Form 990-PF filings.

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