By Published On: July 6th, 2026Categories: Civil Site Design, Corridor EZ, Latest News

The screen shots and videos below show the functionality operating on Civil Site Design. The same functionality is accessible in Corridor EZ.

Understanding how water behaves within detention basins, wetlands, and storage depressions is critical to effective drainage design. However, calculating storage volumes, identifying spill elevations, and validating basin performance can often require multiple tools and time-consuming analysis.

The new Stage Storage Tool in Civil Site Design v27 streamlines this process by automating basin and depression storage analysis directly from TIN surfaces, providing both rapid calculations and powerful visual insights.

Automate Basin and Depression Storage Analysis

The Stage Storage Tool is designed to simplify one of the most important aspects of drainage design, understanding how much water a basin can store and how it will perform under different water levels.

Rather than relying on manual calculations or external workflows, the tool automatically analyses your surface data and generates the information required to assess storage performance.

This allows engineers to spend less time processing data and more time evaluating design outcomes.

Instantly Calculate Spill Elevations

A key feature of the Stage Storage Tool is the ability to quickly identify and calculate spill elevations.

Understanding where water will overflow is essential when designing detention basins, wetlands, and stormwater management infrastructure. The tool automatically determines these critical levels, helping designers validate storage performance and identify potential design issues early in the project lifecycle.

By automating these calculations, the Stage Storage Tool improves efficiency while reducing the risk of manual errors.

Generate Detailed Stage-Storage Tables

The tool also automatically produces comprehensive stage-storage tables that provide a clear understanding of how storage volume changes with water level.

These tables are invaluable for:

  • Detention basin design

  • Wetland analysis

  • Stormwater management planning

  • Flood mitigation studies

  • Regulatory and design reporting

Having this information generated instantly allows designers to quickly compare alternatives and make informed decisions throughout the design process.

Supporting Imperial and Metric Units

If you are working in imperial units, you will have the option to report the volumes in cubic feet, cubic yards or acre-feet.

Interactive 3D Visualisation for Better Design Decisions

What truly sets the Stage Storage Tool apart is its highly interactive 3D visualisation environment.

Rather than relying solely on numerical outputs, designers can visualise water levels directly within the basin model and observe how storage behaves across the surface.

This provides a much clearer understanding of:

  • Basin geometry

  • Water extents at different levels

  • Storage performance

  • Spill locations

  • Overall design effectiveness

The ability to combine analytical data with real-time visual feedback helps improve confidence in design decisions and makes it easier to communicate outcomes to stakeholders.

Ideal for Detention Basins and Wetlands

Whether you’re designing a stormwater detention basin, analysing a storage depression, or assessing wetland capacity, the Stage Storage Tool provides the information needed to accurately evaluate performance.

By combining automated calculations, stage-storage reporting, and immersive 3D visualisation, the tool delivers a complete workflow for storage analysis within a single environment.

Key Benefits of the Stage Storage Tool

  • Automated basin and depression storage analysis

  • Rapid spill elevation calculations

  • Instant generation of stage-storage tables

  • Interactive 3D visualisation of water levels

  • Improved design validation and reporting

  • Faster drainage design workflows

Available in Civil Site Design and Corridor EZ v27

The Stage Storage Tool is one of several powerful new capabilities introduced in Civil Site Design and Corridor EZ v27, helping engineers and designers analyse drainage infrastructure more efficiently and with greater confidence.

By bringing automated storage calculations and interactive visualisation together in a single workflow, the Stage Storage Tool makes basin analysis faster, more intuitive, and more accurate than ever before.

Discover how the Stage Storage Tool can help you better understand, validate, and optimise your detention basin and wetland designs.