This section contains detailed information for each of the infiltration (loss) methods available within HEC-HMS. Infiltration is the process of water on the surface of the soil moving down into the soil. For more information on basic concepts of infiltration, refer to the page Losses and Runoff Volume Basic Concepts. For an index of available methods, refer to the page Available Loss Methods. For a summary of best use-cases and limitations of each method, refer to the page Applicability and Limitations of the Loss Methods. For a list of references, refer to the page Losses and Runoff Volume References.