The exact properties of each alternative are discussed in their respective sections. By breaking up alternatives into these different types, we give you the ability to mix different alternatives any way that you want within any given scenario.

Drainage and Utilities includes these types of alternatives:

• "Active Topology Alternative"
• "Physical Alternatives"
• "Boundary Condition Alternatives"
• "Initial Settings Alternative"
• "Hydrology Alternatives"
• "Output Alternatives"
• "Infiltration and Inflow Alternatives"
• "Rainfall Runoff Alternative"
• "Water Quality Alternative"