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HECFLO: HEC-HMS Modelling Automation

HECFLO is a streamlined automation tool for stormwater modellers using HEC-HMS. Whether you need faster workflows, automated model optimisation or batch runs across tank configurations - I can help.
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What is HECFLO?

HECFlo is a Python-based automation tool that simplifies the process of building and running hydrologic models in HEC-HMS. Developed by engineers, for engineers, it eliminates tedious manual steps like .basin and .met file creation, rainfall parsing, and tank iteration — all in a consistent, repeatable workflow.

If you're still building HEC models by hand, there's a faster way.

Key Features

  • Automatically creates .basin, .met, .gage, and .dss files from standardised inputs.

  • Automate tank and throttle combinations to find hydraulically neutral setups.

  • Currently CLI-driven. A simple web version is in development — join the waiting list.

  • Focus on engineering decisions — not data wrangling.

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Who is it For?

HECFlo is for stormwater engineers, hydrologists, and consultants who use HEC-HMS in development projects. If you're regularly preparing pre/post scenarios, tank sizing, or council-compliant reports — this tool saves time, ensures consistency, and reduces risk of manual error.

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Want to see how HECFlo can help on your next project?

Whether you're after faster HEC-HMS model builds, batch testing of tank setups, or support optimising your workflow — reach out.

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© 2023 by Atlas Technology.

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