Fifty-plus years inside the Storm Water Management Model — punch cards in 1974, WebAssembly in 2026.
SWMM5 and SWMM6 enablement · InfoWorks ICM Ruby automation · vibe-coded apps for modelers · Chair, SWMM5+ Technical Advisory Committee at CIMM · EWRI Stormwater Modeling Committee · Tampa / Singapore / Kazakhstan
Nine doors into the collection — every one runs in the browser, nothing to install.
Search, preview, and run all 64 public gists and 34 Netlify apps in-page. Updates itself from the GitHub API.
apps.swmm5.org/gist-labThe searchable record of AI-assisted SWMM modeling sessions — filter, read, export.
my-claude-chats.netlify.appLoad a .inp and walk the network in three dimensions.
swmm5-3d-viewer.netlify.appThe two EPA engines side by side: objects, parameters, and where the ideas map.
epanet-swmm5-rosetta-stone.netlify.appScript the SWMM5 engine live from Lua, in the browser.
lua-swmm5-playground.netlify.appHTML5 batch runner for EPA SWMM4 models — the original CDM_SWMM app, recreated.
swmmenablement.github.io/cdm-swmm4Browsable catalog of proposed new features for the EPA SWMM5 engine.
apps.swmm5.org/alt-swmm5Width, slope, imperviousness, infiltration — watch the hydrograph respond.
swmmbobswmm6.github.io/swmm5-runoff-explorerBrowse the Autodesk Water (Innovyze) GitHub organizations in one page.
apps.swmm5.org/awi-github-viewerFive GitHub properties, each with a job.