Echo River Capital

Echo River Capital is an early-stage venture capital firm founded in 2021 by General Partner Peter Yolles, based in Belvedere, California. The firm invests globally in water technology companies organized around the "Three D's of Watertech": Digitize, Decarbonize, and Decentralize the water cycle. Fund I targets pre-seed and seed rounds, committing $25K–$100K per company across a target portfolio of 35 companies, maintaining average post-money valuations under $10M. Portfolio companies must demonstrate early customer traction and validated technology, and are required to report annually on quantitative impact metrics. LPs are primarily individuals and family offices. Founders can submit interest via the firm's website.