Clayton Leonard’s practice is heavily focused on water: water management and allocation, Treaty and Aboriginal water rights, First Nations' right to safe drinking water, and flooding and water issues facing other stakeholders. Clayton has significant experience regarding First Nation Treaty and Aboriginal rights matters, Métis Aboriginal rights, Aboriginal governance issues, negotiating impact benefit agreements with industry, and influencing government decisions regarding major projects, policy, and legislation. Clayton also represents landowners impacted by major projects. Clayton's recent successes include concluding agreements with the Government of Alberta and landowner clients in one of the largest flood mitigation projects in the history of the province, thereby ensuring the protection of heritage ranch lands and resulting in significant changes to the project to address local concerns. Clayton also concluded two major agreements between First Nation clients and the Government of Alberta on water resources and supply, one of which resulted in a $26-million investment in water infrastructure for a First Nation community.