The Ohio Stormwater Association (OSWA) is a group of public and private citizens dedicated to advancing the management of stormwater and related natural resources through education, leadership, watershed-based coordination and technical assistance in Ohio. The Ohio Stormwater Association provides educational and networking opportunities for people focused on reducing the negative impacts of stormwater runoff. The OSWA provides educational meetings on topics of interest to our members and sponsors the Ohio Stormwater Conference held each spring.