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2025

Introducing epanet-js

Fast, local-first water modeling right in your browser

For decades, the U.S. EPA’s EPANET engine has powered almost every hydraulic modeling tool on the market. Yet most of us still wrestle with either the “classic” Windows interface — slow, dated, and held together by workarounds. Meanwhile, commercial platforms cost a fortune, lock up our data, and bury us in features we don’t need.

You deserve better.

The epanet-js interface in action