Causeway Flow
Commercial
Storm and foul water drainage design and 1D hydraulic modelling software for UK and Irish civil engineers.
12 tools · Topic
Sewer & Wastewater Network Modelling Tools
Sanitary and combined sewer systems bring surcharge, real-time control and overflow compliance into the picture. Indexed here: the dynamic wave engines, SWMM-based workflows and utilities used for sewer capacity and CSO analysis.
EPA SSOAP Toolbox
Gov-Public
EPA's toolbox for sanitary sewer overflow planning — RDII analysis with the SWMM engine underneath.
EPA SWMM
Gov-PublicVerified
The public-domain engine of urban drainage: dynamic-wave pipe networks, runoff, LID and water quality.
Generate SWMM inp (QGIS plugin)
Open Source
Build and read EPA SWMM models as QGIS layers — free GIS-based SWMM model construction.
InfoWorks ICM
Commercial
Autodesk's integrated catchment model — the heavyweight for large sewer networks and coupled 2D flooding.
LocalSWMM
Open Source
Browser-based urban stormwater and drainage modeling powered by OpenSWMM 6 compiled to WebAssembly.
MIKE+
Commercial
DHI's unified platform for rivers, urban drainage and distribution networks — successor to MIKE 11/MIKE URBAN.
MatSWMM
Open Source
MATLAB (and Python/LabVIEW) co-simulation with SWMM — built for real-time control research.
OpenFlows SewerGEMS
Commercial
Bentley's sanitary and combined sewer modelling suite, integrated with CAD and GIS environments.
PCSWMM
Commercial
CHI's commercial GIS front-end for SWMM — the most direct productivity upgrade for serious SWMM users.
PySWMM
Open SourceVerified
Python interface to the SWMM engine — step through simulations, read state, and control gates in real time.
swmm_api
Open Source
Pure-Python reading, editing and running of SWMM INP, RPT and OUT files — the full file-format toolkit.