EPANET
US Environmental Protection Agency
Download from the vendor
www.epa.gov
A model for pressurised water networks: pipes, pumps, valves and reservoirs, computing flows and pressures across a day, and tracking water quality through the network including chlorine concentration and water age. It is the base tool that most commercial water network packages are built on, and it is distributed free with source code by the US Environmental Protection Agency.
Ratings & Reviews
| Licence type | Completely Free |
|---|---|
| Licence terms | US government software, distributed free and in the public domain, with no licence and no usage restriction. Built around US data and standards — adapt to local codes before use in design. |
| Platforms | Windows |
| Engineering field | Civil Engineering, Environmental & Water |
| Tool type | Hydrology & Drainage |
| Vendor site | www.epa.gov |
This link goes to the vendor site. EngiFree hosts no installers and distributes no cracked versions.
Last verified: 2026-09-02
