Educational & Networking Events
- Wednesday, November 12 and Thursday, November 13, 2025
- Water Management Association of Ohio Annual Conference
- Marriott Columbus – Northwest
- Registration possible with late fee
- Register today!
- Thursday, February 19, 2026
- 11 AM Webinar
- Transportation
- Thursday, April 16, 2026
- 11 AM Webinar
- Extreme Weather
- Wednesday, May 6, 2026
- MS4 Bootcamp one-day pre-conference workshop
- Kalahari Resort & Conference Center
- Fee in addition to the conference
- Registration Information TBA
- Thursday, May 7 and Friday, May 8, 2026
- Ohio Stormwater Conference
- Kalahari Resort & Conference Center
- Abstracts due November 10, 2025 – deadline extended
- Registration Information TBA
- Wednesday, July 15, 2026
- 11 AM Webinar
- Industrial Stormwater
- Thursday, September 10, 2026
- 11 AM Webinar
- Regulatory Update
Past OSWA Educational & Networking Events*
- October 9, 2025
- X-Golf Statewide Networking in Cincinnati, Columbus, Cleveland, and Toledo
- October 1, 2025
- Webinar: Regulatory Update and Emerging Stormwater Issues
- July 16, 2025
- Webinar: NPDES Industrial Stormwater Permitting
- June 12, 2025, 5-8 PM
- Dayton area networking event at Eudora Brewing Co.
- May 8-9, 2025
- Ohio Stormwater Conference at Kalahari Resort & Conference Center
- May 7, 2025
- MS4 Bootcamp at Kalahari Resort & Conference Center
- February 18, 2025
- Ohio’s MS4 Permit Resources Webinar
- October 18, 2024
- Watershed Workshop with OWEA in Dublin, Ohio
- October 9, 2024
- Regulatory Update & Emerging Stormwater Issues Webinar
- October 3, 2024
- OSWA Topgolf Statewide Networking
- September 18, 2024
- Diversity Equity and Inclusion in Stormwater Webinar
- July 18, 2024
- Nocterra Stormwater Social in Columbus
- July 17, 2024
- Webinar: Engineered Log Complexes: It’s the Wood that Makes It Good.
- May 8 – 10, 2024
- 2024 Ohio Stormwater Conference at Kalahari Resorts and Conventions
- May 8, 2024
- OSWA MS4 Bootcamp at Kalahari Resorts and Conventions
- April 17, 2024
- Southwest Ohio – OSWA Stormwater Social at Rhinegeist Brewery in Cincinnati, OH
- April 10, 2024
- Webinar: Ohio Climate Change: Understanding Extreme Weather and Local Impacts
- February 27, 2024
- Southwest Ohio – OSWA Stormwater Social at Sonder Brewing in Mason, OH
- February 14, 2024
- Webinar: Ohio’s Regional Watershed Plans: Information for Local Decision-Makers
*Check out the members-only access area of the WMAO page and our YouTube channel for previous OSWA webinars.



















