Detention Pond Designer Skill

Purpose

The Detention Pond Designer Skill designs stormwater detention and retention facilities including storage volumes, outlet structures, and emergency spillways.

Capabilities

• Storage volume calculation
• Outlet structure sizing
• Stage-storage-discharge relationships
• Multi-stage outlet design
• Emergency spillway sizing
• Sediment storage calculation
• Water quality volume
• Routing analysis

Usage Guidelines

When to Use

• Designing detention basins
• Sizing outlet structures
• Meeting regulatory requirements
• Evaluating water quality treatment

Prerequisites

• Inflow hydrographs available
• Release rate requirements known
• Site constraints identified
• Regulatory criteria established

Best Practices

• Size for multiple storms
• Include freeboard
• Plan for maintenance access
• Consider downstream impacts

Process Integration

This skill integrates with:

• Stormwater Management Design

Configuration

detention-pond-designer:
  design-types:
    - detention
    - retention
    - extended-detention
  outlets:
    - orifice
    - weir
    - riser
    - multi-stage
  routing:
    - modified-puls
    - storage-indication

Output Artifacts

• Storage calculations
• Outlet sizing
• Stage-storage-discharge curves
• Routing summaries