Atlan Stormwater

Design Tools & Calculators

Specify with confidence. Size with precision.

Access the MyAtlan engineering hub to streamline the design of your stormwater quality & quantity assets. Explore sizing, configurations, and stormwater performance outcomes with Atlan’s suite of intelligent online design tools and calculators.

Whether you’re exploring options for treatment infrastructure or On-site Stormwater Detention (OSD) systems, our calculators provide fast, practical recommendations – engineered for performance to help move your project from concept to specification.

Plan Smarter. Deliver Faster.

Atlan Stormwater’s engineering design suite provides engineers, consultants and project stakeholders with instant access to stormwater calculators and design tools, enabling faster asset sizing, configuration and specification across Atlan’s stormwater solutions.

Create your own secure MyAtlan account to store your designs, return to previous calculations, make design changes, generate updated reports and share project documentation with colleagues, consultants or clients.

Calculator Features

Fast preliminary system sizing
Recommended configurations
Storage volume calculations
Designed for local stormwater requirements
Interactive 3D visualisation (FTW Design Tool)
Generates reports ready to share
Revisit, edit and compare designs anytime

Floating Treatment Wetlands Calculator

Water Quality Planning Made Simple

Rapidly size & configure Floating Treatment Wetland systems to improve stormwater quality while enhancing waterways and public spaces.

Our FTW design tool assists with preliminary planning by analysing treatment requirements and recommending an appropriate Floating Treatment Wetland configuration based on your project parameters. Generate clear reports and visual concepts to support early-stage discussions with clients, councils and project teams.