Catalyst is a designed approach with elements of Mill Creek land and selected vegetation which will use to manage the polluted runoff water to achieve the desired landscape change. From research and evidence based examples this design suggest the use of green infrastructure on trail as a catalyst to increase the rate of change to get the social benefit for the people and will provide ecosystem services. It will improve the environmental health and will built a resilient system for everyone. In future use of Green Infrastructure catalyst in multiple locations will impact at large scale in Cincinnati and beyond.