Water Industry Advancement and Sustainability Institute

Public charity

DBA: SUSTAINABILITY INSTITUTE

Environment · DUNCAN, OK · EIN 82-2979724

To further the advancement and sustainability of water and wastewater utilities.

DBA Sustainability Institute

Donations are tax-deductible

FY ending 2025-02-28

Revenue

—

Expenses

Assets

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Liabilities

—

$300K$150K$0

202122232425

RevenueExpenses

Latest FY2025: — · Peak FY2020: $300K · Avg: $75K

WATER INDUSTRY ADVANCEMENT AND SUSTAINABILITY INSTITUTE

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2915 S 13TH ST

Duncan, OK, 73533-908

Public records

Full 990 PDFs going back to 2001, plus parsed financial extracts. The easiest place to read actual filings.

IRS-side authoritative source. Confirms current exempt status and pulls the latest determination letter.

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