International Living Future Institute’s Water Petal Permitting Guidebook

This guidebook provides general guidance for the permitting process for each category of water system that your project may incorporate in pursuit of the Water Petal, as well as tips for working with local jurisdictions and regulators.
https://living-future.org/wp-content/uploads/2019/02/WaterPetal_PermittingGuidebook_FINAL.pdf

International Living Future Institute’s Water Research

Includes multiple resources to aid in designing for Net Positive Water: case studies, best management practices, guidance for removing regulatory barriers and more.
https://living-future.org/research/#water

International Living Future Institute’s Water Policy Case Studies

Includes water policy case studies of successful water system permitting.

https://living-future.org/policy-advocacy/#tools-resources

LPC Handprinting Guide

The purpose of this guide is to explain the thinking behind handprinting and how it is specifically being applied to the Living Product Challenge, though the guidance is useful for LBC projects as well.
https://living-future.org/product/lpc-handprinting-guide/

On-Site Water Reuse Practice Guide

This free guide addresses the entire life cycle of implementing water reuse systems, including project pitch, design, scope definition, system specification, permitting, and operation.

Additionally, the guide emphasizes on-site treatment strategies and conservation measures, the value of a more collaborative and integrated design process to ensure the success of sustainable water reuse systems, the water-energy nexus, and strategies for communicating the value of future water reuse projects.
https://www.collaborativedesign.org/water-reuse-practice-guide