Identified Through Site Plans and Civil Engineering Drawings
Drainage outlets are typically shown in detailed site plans, grading plans, and stormwater management reports prepared by civil engineers. These documents indicate where surface water is collected and discharged from the site.

• Located at the lowest elevation points of the property
  
• Marked as culverts, storm drains, retention pond outflows, or swales
  
• Usually placed near curbs, ditches, or designated stormwater easements
  

Positioned Based on Natural Topography and Flow Direction
Drainage outlets are strategically placed to follow the site’s natural slope, guiding water away from structures and toward approved discharge areas. Proper placement prevents erosion and flooding.

• Situated along downward slopes or grade breaks
  
• Direct runoff toward municipal storm sewers, detention basins, or natural water bodies
  
• Designed to handle peak flow during storm events per local code
  

Regulated by Local Stormwater and Environmental Standards
Drainage outlet locations must meet regulatory requirements to ensure responsible water management and environmental protection. Improper discharge can lead to violations or site damage.

• Must comply with municipal stormwater ordinances and environmental permits
  
• Outlets may require energy dissipation structures (e.g., riprap) to reduce erosion
  
• May be connected to public storm systems or approved surface discharge points