Honolulu, HI

WAIORG INC

EIN 84-3324933

Environment & Animal Welfare Environmental Education & Advocacy

Mission

WAI works to mitigate the Hawaiʻi cesspool crisis, protect water quality, reduce sewage pollution, and restore healthy watersheds by helping homeowners and communities convert failing cesspools and septic systems to affordable, environmentally sound solutions. ([waicleanwater.org](https://waicleanwater.org/))

IRS-recognized 501(c)(3) public charity Contributions are tax-deductible

Claim this page Visit www.waicleanwater.org

About WAIORG INC

WAI (Wastewater Alternatives & Innovations / WAI Org. Inc) is a Honolulu-based 501(c)(3) nonprofit that supports cesspool conversion, decentralized wastewater solutions, policy advocacy, community outreach, pilot projects, and workforce training across Hawaiʻi. The organization describes its work as combining technology, policy, pilot demonstrations, and financing strategies to reduce sewage pollution and protect reefs, groundwater, and coastal waters. ([waicleanwater.org](https://waicleanwater.org/))

WAI is an active, donor-facing organization with a public website, program pages (including the Work-4-Water workforce program and a Decentralized Wastewater Resource & Training Center), and recent media presence. Its EIN (84-3324933) and annual Form 990 filings are documented in public nonprofit databases; recent filings and reported revenues show rapid growth through 2023–2024. ([projects.propublica.org](https://projects.propublica.org/nonprofits/organizations/843324933))

In the last 2–3 years WAI has moved from planning into implementation and partnership-building: it has helped launch pilot conversion projects and workforce training partnerships, secured philanthropic grants and federal/state project partnerships (including work tied to EPA Rural/Small/Tribal programs), and publicly advocated for financing and policy changes to accelerate cesspool replacement statewide. ([reefresilience.org](https://reefresilience.org/case-studies/hawaii-wastewater-pollution/?utm_source=openai))

Notable achievements

Verified tax-exempt status and public filings

WAI is registered as a 501(c)(3) nonprofit (EIN 84-3324933) and has filed Form 990 returns publicly; its filings show organizational growth and are available in public nonprofit databases.

Significant revenue growth (2023–2024)

WAI reported substantial year-over-year growth in contributions and program funding, with reported revenue approaching $1.0M in fiscal 2024, enabling expansion of staff and program capacity.

Launched Work-4-Water pilots and training partnerships

WAI helped develop the Work-4-Water initiative and related pilot projects to combine cesspool conversion work with workforce training and community-scale demonstrations across multiple islands.

At a glance

Total assets: $473K
Annual revenue: $971K
Tax status: 501(c)(3)Public charity
EIN: 84-3324933
Location: Honolulu, HI
Website: www.waicleanwater.org
On Mahalo since: May 2026

Financial figures from the IRS Business Master File, the IRS’s registry of tax-exempt organizations.

Recognition

Designated a tax-exempt 501(c)(3) organization (public filings list EIN 84-3324933). ([projects.propublica.org](https://projects.propublica.org/nonprofits/organizations/843324933))

Featured in regional media and sector outlets for its work on cesspool conversion and reef protection, including Hawaii Business Magazine and local broadcast coverage. ([hawaiibusiness.com](https://www.hawaiibusiness.com/cesspools-damage-killing-hawaii-coral-solutions-irrigation-landscape/?utm_source=openai))

Documented partner and case-study participant in technical and conservation networks (Work-4-Water hui, Reef Resilience Network case study) supporting pilot conversions and workforce development. ([reefresilience.org](https://reefresilience.org/case-studies/hawaii-wastewater-pollution/?utm_source=openai))

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