Watershed Carbon Methodology Application for POTW Nutrient Compliance

May 9, 2024

About this virtual event

A virtual presentation of the ‘Watershed Carbon’ crediting methodology, recently finalized on Regen Registry, and its potential application for catalyzing large-scale nature-based solutions for the instream nutrients compliance issues facing wastewater utilities in the Upper Midwest.

Areas of Water Interest: Clean Water Act, Safe Drinking Water Act, instream nutrient loading, water quality, water policy, environmental markets, nature-based solutions

Recommended Attendees: water sector professionals, water treatment utility staff, state or federal regulators, consulting firm staff, watershed stakeholder groups


  • Introductions
  • Broader Context of ‘Watershed Carbon’
  • Summary of Findings from Recent Nature Communications Journal Article
  • Application to Midwest Water Quality Issues & Upcoming Permits
  • Q&A

The speakers:

Alex Johnson is the Chief Strategy Officer for Virridy, leading on market innovations, growth and strategic partnerships. For nearly two decades he has developed and worked in American energy and water commodity markets. Alex has a BS in Economics and a Certificate in Markets and Management from Duke University. Prior to joining Virridy, Alex was the VP of Initiatives at The Freshwater Trust, an innovative river restoration NGO operating throughout the Western US. In that role he directed growth and partnership strategies, fundraising and communications. He previously managed the analysis, development and implementation of some of the first watershed programs for Clean Water Act compliance in the US.

Braden Limb is a Research Associate in the Department of Mechanical Engineering at Colorado State University. His research focuses on the techno-economic evaluation, life-cycle assessment, and systems optimization of novel carbon reduction technologies, including electric vehicles, carbon capture, biofuels, and wastewater treatment.