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Carlson Hydrology



Carlson Hydrology is the comprehensive, yet easy-to-master civil engineering software solution. This is the solution that makes life at the office easier. There is no flipping between multiple programs looking for what you need. Everything you need is at your fingertips and is easy to understand. With access to full 3D roads and lot design, you can feed directly into flow calculations and drainage design to make the workflow as smooth and easy to understand as possible.


  • Tap extensive libraries on rainfall, inlets, manholes, outlets
  • Calculate inlet intercepted and bypass flows, gutter spread and depth, pipe flow depth and velocity, and hydraulic and energy grade lines
  • Get warnings for collisions, excessive pipe lengths, insufficient cover, lack of slope, excessive flow rates, and more
  • Track runoff and analyze watershed – choose entire area or the watershed above a point such as a catch basin
  • Design ponds, culverts, channels and outlets
  • Draft sewer pipe dynamically in plans, profiles and 3D
  • AutoCAD 2010 and Later Support


  • Carlson Hydrology 2018


With access to rainfall amounts in NOAA Atlas 14, watershed commands operated by grid files for watershed perimeters and runoff tracking, plus the option to draw out sewer lines just as a polyline before converting them in the sewer model Carlson Hydrology has everything you need for civil water projects.


With an expanded shape inventory, including different utility types – gas, water, communication and storm the Utility Network makes it quick and easy to design your next system. With the Sewer Network commands users can easily label  drainage areas for individual inlets. On top of all of that there are options for pipe label styles, negative step-ups, and reports now include multiple invert-ins.


Additional highlights of Hydrology module include:

  • Hydrograph Editor – New command to edit time and flow data in a spreadsheet.
  • Pipe Culvert Design – Added outlet control by gradually varied flow method.
  • Utility Network – New command to define model for utility networks.


To tie the entire package together, Carlson has redesigned the sewer spreadsheet editor for working in profile view and added support in sewer network for multiple pipes between structures and for separate inlet locations, speed and ease design work for sewer or drainage networks.


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