Ocean Sewage Alliance operates as a project of Multiplier, a tax-exempt nonprofit 501(c)(3) organization that accelerates impact for bold initiatives working to foster a healthy, sustainable, resilient, and equitable world. Through its partnerships, Ocean Sewage Alliance is supported by a team of experienced professionals and trusted advisors who collaborate on operations, strategy, and shared learning. This collective approach helps our team stay focused on impact while working within a values-aligned organizational home. Learn more at mulitplier.org.

© 2025 Ocean Sewage Alliance. An operating project of Multiplier, a tax-exempt nonprofit 501(c)(3).  Federal Tax ID: 91-2166435. Charitable disclosures.