May 7, 2025

Common Challenges & Available Solutions: Subsurface Storage Systems

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Ferguson’s geosynthetic systems for maximizing land use, managing stormwater, and supporting infrastructure.

“I need to increase usable space on my project, manage stormwater effectively, and build infrastructure over detention systems. Budget constraints are a concern, and I need durable, low-maintenance solutions.” — Contractor

Subsurface storage systems are essential for managing stormwater runoff, especially in urban areas where space is limited. They allow for the capture and controlled release or reuse of stormwater, enabling more efficient land use. Below, we address common issues and present Ferguson’s tailored solutions.

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Challenge 1: I need to increase the usable space on my project.

In urban development, maximizing land use is crucial. Traditional above-ground detention basins consume valuable space that could be used for buildings, parking, or green areas.

Available Solutions:

  • R-Tank® Stormwater Modules: These modular systems provide underground stormwater storage with up to 95% void space, allowing for significant water detention beneath the surface. Their design supports HS-20 and HS-25 traffic loads, making them suitable for installation under parking lots and roadways.
  • Permeable Paving Solutions: Products like PowerBLOCK Permeable Pavers, ECORASTER® and Bloxx®, and STORMCRETE® allow stormwater to infiltrate through surfaces, reducing runoff and the need for extensive underground storage. These systems can be integrated with subsurface storage to optimize land use.

Challenge 2: I need to store and reuse runoff.

Capturing and reusing stormwater reduces demand on municipal water supplies and mitigates the impact of runoff on local waterways.

Available Solutions:

  • R-Tank® Stormwater Modules: Beyond detention, R-Tank systems can be configured for rainwater harvesting, allowing for the collection and reuse of stormwater for irrigation or other non-potable uses.
  • Subsurface Storage Systems: Ferguson offers a range of subsurface storage solutions, including Stormtech® Arched Chambers, Retain-It® Systems, and StormCapture®, designed for efficient stormwater management and reuse.

Challenge 3: I need to build a parking lot over my detention system.

Integrating stormwater management beneath parking areas maximizes land use and maintains the functionality of the site.

Available Solutions:

  • R-Tank® Stormwater Modules: Engineered to support vehicular loads, R-Tank systems can be installed beneath parking lots, providing stormwater detention without sacrificing surface usability.
  • Permeable Paving Solutions: Using permeable pavers like PowerBLOCK and ECORASTER® over subsurface storage systems enhances infiltration and structural support, creating a synergistic approach to stormwater management and surface stability.

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Can these solutions also reduce long-term maintenance and environmental impact?

Yes. By promoting infiltration and reducing surface runoff, these systems lessen the burden on municipal stormwater infrastructure and decrease the risk of flooding. Additionally, the use of recycled materials in Ferguson’s stormwater solutions contribute to sustainability goals.

Where can I get assistance with selecting the right subsurface storage solution?

Ferguson’s geosynthetics experts are ready to help you choose the most suitable products for your specific project needs.
Contact your local Ferguson Waterworks expert to discuss your project requirements.

 

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