INTERNATIONAL SOCIETY OF LIMNOLOGY-SIL (EIN 986008060) - Form 990 Financial Analysis & Trantor Score

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Financial Vulnerability Assessment (Tuckman-Chang)

4 risk indicators measuring financial stability and operational resilience

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Financial Trends

Organization Details

Formation Year

1922

Legal Domicile

Tax Period

2023-07-01 to 2024-06-30

INTERNATIONAL SOCIETY OF LIMNOLOGY-SIL, founded in 1922, is a small nonprofit in the Environment sector that reported $146K in total revenue in fiscal year 2023. The organization ran a surplus of $59K, a strong 41% operating margin.

Mission

OPERATION OF A SCIENTIFIC NON-PROFIT ASSOCIATION OF FRESHWATER RESEARCH FOR 946 MEMBERS IN 66 COUNTRIES INTERNATIONALLY PRIMARY FUNCTIONS ARE TO HOLD CONGRESSES AND SCIENTIFIC SUBJECT MEETINGS, AND PUBLISH SCIENTIFIC JOURNALS.

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Trantor Score

Financial Health Score (300–850) · Liquidity · Solvency · Sustainability · Efficiency

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Liquidity (40%) • Solvency (30%) • Sustainability (20%) • Efficiency (10%)

Financial Overview (2023)

Revenue Breakdown

Contributions & Grants $18,673

Program Service Revenue $29,569

Investment Income $65,218

Other Revenue $32,497

TOTAL REVENUE $145,957

Expense Breakdown

Grants Paid $19,024

Salaries & Benefits $0

Fundraising Expenses $0

Program Expenses $19,024

Other Expenses $67,646

TOTAL EXPENSES $86,670

Year-over-Year Comparison

	2023	2022	Change
Revenue	$145,957	$140,687	+0.0%
Expenses	$86,670	$148,003	-0.4%
Net Income	$59,287	$-7,316	-9.1%

Key Indicators

✗ Grants to Organizations ✗ Grants to Individuals ✗ Lobbying ✗ Political Activity ✗ Foreign Activities ✗ Donor Advised Fund ✗ Schedule B Required

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Financial Health Indicators

Comprehensive financial analysis: Altman Z-Score, liquidity, solvency, sustainability, efficiency, and growth metrics

Financial Distress Indicator

Liquidity & Cash Position

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Altman Z-Score • Liquidity Ratios • Solvency Analysis • Growth Indicators • Efficiency Metrics

Governance

Voting Members

Independent Members

Employees

N/A

Volunteers

Governance Policies

✗ Conflict of Interest Policy

✗ Whistleblower Policy

✗ Document Retention Policy

Special Practices & Reported Activities

✗ Operated a School

✗ Operated a Hospital

✗ Provided First Class Travel

✗ Reported Conflict of Interest

✗ Reported Asset Diversion

✗ Excess Benefit Transaction

✗ Made Political Expenditures

✗ Engaged in Lobbying

✗ Operated Donor Advised Fund

✗ Maintained Art Collections

✗ Filed Form 720

Compensation of Officers, Directors & Key Employees

Total Officers

$5,000

Total Directors

$2,000

Key Employees

Highest Compensated

reported

Name	Title	Hours/Week	Role	Reportable Comp	Other Comp	Total
DR DAVID HAMILTON	EDITOR IN CHIEF-INLAND WATERS	10.00	Officer	$5,000	$0	$5,000
DR BJORN WISSEL	GENERAL SECRETARY-TREASURER	10.00	Director	$2,000	$0	$2,000
DR CECILIA BAROUILLET	VICE PRESIDENT-COMMUNICATION	2.00	Director	$0	$0	$0
DR LENA SCHALLENBERG	ECR REPRESENTATIVE-GLOBAL OUT	2.00	Director	$0	$0	$0
DR MARIANA MEERHOFF	VICE PRESIDENT-EDUACTION	2.00	Director	$0	$0	$0
DR MERYEM BEKLIOGLU	VICE PRESIDENT-DEVELOPING ECO	2.00	Director	$0	$0	$0
BARBARA BARTA	ECR REPRESENTATIVE-EDUCATION	2.00	Director	$0	$0	$0
D ANGELES GONZALEZ SAGRARIO	PRESIDENT	7.00	Director	$0	$0	$0
DR ZEYNEP ERSOY	VICE PRESIDENT-GLOBAL OUTREAC	2.00	Director	$0	$0	$0
DR MIHIR KULKARNI	ECR REPRESENTATIVE-DEVELOPING	2.00	Director	$0	$0	$0
DR JUAN DAVID GONZALEZ TRUJILO	EDITOR SILNEWS	2.00	Officer	$0	$0	$0
DR INES O FARRELL	VICE PRESIDENT-DEVELOPING ECO	2.00		$0	$0	$0
DR THOMAS MEHNER	PRESIDENT	7.00		$0	$0	$0

Note: Compensation data is self-reported by the organization on their Form 990. "Reportable Comp" includes salary, bonuses, and other reportable compensation from the organization and related organizations. "Other Comp" includes benefits, deferred compensation, and non-taxable benefits.

Historical Data

Year	Revenue	Expenses	Assets	Net Income
2024	$145,957	$86,670	$719,823	$59,287
2023	$140,687	$148,003	$654,351	$-7,316
2021	$82,946	$74,219	$689,474	$8,727
2020	$89,210	$129,609	$572,684	$-40,399

INTERNATIONAL SOCIETY OF LIMNOLOGY-SIL