CivilGEO GeoHECHMS 1.0

Download CivilGEO GeoHECHMS 1.0


GeoHECHMS greatly speeds up the creation, analysis, and review of stormwater models. It automates subbasin delineation, curve number (CN) computation using land use and soils maps, and lag time (time of concentration) computation. GeoHECHMS is a data wrapper to the industry-standard US Army Corps of Engineers HEC-HMS software using an AutoCAD compatible graphical user interface. Quickly compare different scenarios and alternatives, such as pre-development conditions with different post-development designs. Rapidly construct, design, analyze and compare detention and retention ponds. Both US and metric (SI) units are supported.

Software System Requirements

Operating System

  • Microsoft Windows 10 (64-bit only)
  • Microsoft Windows 8.1 (64-bit only)
  • Microsoft Windows 7 SP1 (64-bit only)


  • Minimum: 2.5–2.9 GHz or faster processor
  • Recommended: 3+ GHz or faster processor


  • Minimum: 8 GB RAM
  • Recommended: 16 GB RAM

Display Resolution

  • Minimum: 1440 x 900
  • Recommended: 1920 x 1080 or higher

Display Card

  • Minimum: 1 GB GPU with 29 GB/s Bandwidth and DirectX 11 compliant
  • Recommended: 4 GB GPU with 106 GB/s Bandwidth and DirectX 11 compliant

Download CivilGEO GeoHECHMS 1.0

Download CivilGEO GeoHECHMS 1.0 x64


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Download guide

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install GeoHECHMS 1.0

Installation instructions: see file readme.txt