Find and share solutions.
An easy-to-search knowledge center for EPA SWMM users that has 29 years of shared knowledge, more than 2,000 contributors and over 20,000 posts.
Understand your engine.
Browse the SWMM source code in an engineer-friendly way. View and share comments, solutions, modifications and suggestions for improvement.
View and share research.
Announce your project and engage the community in your research. Explore ongoing research projects and join in discussions with project teams.