Membrion: $20 Million Series B1 Closed For Advancing Industrial Wastewater Reuse
By Amit Chowdhry ● Oct 16, 2025
Membrion, a Seattle-based innovator in ceramic desalination membranes, announced the closing of a $20 million Series B1 funding round. The investment was anchored by Pangaea Ventures, PureTerra Ventures, Ecolab Inc., and W. L. Gore & Associates, with participation from The Lewis Family Office and existing backers including Safar Partners, Lam Research, Indico Ventures, and Giantleap Capital.