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Quick Start
Type any SWMM topic in the search bar above — results appear instantly. Use commas for AND logic (e.g. infiltration, groundwater). Click an example chip below to try it out.
Table of Contents
Browse all chapters and sections
INP Reference
SWMM input file sections with ICM equivalents
Glossary
Key terms and definitions from the manual
ICM Mapping
SWMM5 ↔ ICM Ruby variable cross-reference
Version History
SWMM5 changes from v5.0 to v5.2 (EPA)
Try:
Manning roughness
conduits INP
infiltration INP
pump curve
LID controls INP
dynamic wave routing
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SWMM Assistant Chat — Feature Overview
AI-Powered Q&A
- Uses Claude (Anthropic) via Replit AI
- Specialized in SWMM 5.2 modeling, INP files
- RAG: Searches 621-section Manual for context
- Streaming responses (word-by-word)
Chat Management
- Copy to Clipboard
- AI remembers session history
- Clear/reset chat anytime
Multi-Language Support (19 Languages)
- Auto-detects language
- Technical terms stay in English
- EN, ES, ZH, DE, FR, HE, JA, KO, AR, HI, MI, TA, TN, VI, TL, ZA, YI, TL, TK, FA, RU, PT
Conversation Memory
- AI remembers session context
- In-browser history
- Mobile responsive (full-screen on mobile)
Suggestion Chips
- Pre-built topic suggestions
- "What is SWMM?", "Junction setup", "Routing methods"
- Reappear when chat is cleared
Design & Responsiveness
- Water-themed CSS (dark/light modes)
- Smooth transitions
- High z-index overlay panel
Markdown Rendering
- Bold text,
inline code - Numbered and bulleted lists
- Paragraph breaks
Technical Details
- Backend: POST /chat
- Whoosh full-text index for RAG
- Claude claude-haiku-4-5
- No API key needed (Replit credits)
Source Manual: Table of Contents (TOC) Structure
The SWMM Manual Collection consists of 5 separate manuals. This app crawls all 5 and unifies them into a single searchable index of 53 chapters and 621 sections (248K+ words).
| Source Manual | App Chapters |
|---|---|
| Users Manual | Chapters 1–12, Appendices A–E, Glossary, Intro |
| Ref Vol I — Hydrology | Ch1-Overview, Ch2-Meteorology, Ch3-SurfaceRunoff, Ch4-Infiltration, Ch5-Groundwater, Ch6-Snowmelt, Ch7-RDII |
| Ref Vol II — Hydraulics | Ch1-PreissmannSlot, Ch2-HydraulicModel, Ch3-DynamicWave, Ch4-KinematicWave, Ch5-CrossSection, Ch6-PumpsRegulators, Ch7-AdvancedFeatures |
| Ref Vol II Addendum | Ch2-StreetCrossSections, Ch3-StorageUnitGeometry, Ch4-Pumps, Ch5-StormDrainInlets |
| Ref Vol III — Water Quality/LID | Ch2-UrbanRunoffQuality, Ch3-PollutantBuildup, Ch4-SurfaceWashoff, Ch5-TransportAndTreatment, Ch6-LowImpactDevelopmentControls |
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Data source: Scott Jeffers' SWMM Manual Collection
Live screenshot captured from swmm-manual.netlify.app