The document discusses opportunities for catchment partnerships under the PR19 regulatory framework for water companies in the UK. It notes that PR19 provides unprecedented opportunities for ambitious catchment management due to drivers from regulators, customers, government, and partnerships. Specifically, it outlines opportunities around outcomes and performance commitments related to protecting the natural environment, as well as focus areas like resilience, innovation, long-term planning, customer participation, and generating multiple benefits. It advises catchment partnerships to understand the motivations of key players like Ofwat and customers, know the intervention points to influence business plans and goals, and aim high in their ambitions.