StormArc Underground Systems

Introducing the StormArc®—our latest and most advanced addition to the CSI product line. Designed to lead the rapidly expanding underground stormwater retention, detention, and infiltration market, we’re setting a new standard by improving on current precast systems—while offering a superior alternative to tall plastic systems dominating New England. Choose StormArc® for cutting-edge reliability and innovation in stormwater management.

Stacks of precast concrete bridge segments at a construction site with buildings in the background.

Stacks of precast concrete segments labeled with identification numbers and text, arranged vertically at a construction site.

Inside view of a concrete tunnel with square openings on both sides and gravel covering the floor, light visible at the end.

Large precast concrete culvert sections stacked on gravel, with a tape measure placed on top.

Stacks of large, rectangular concrete structures with square openings are arranged outdoors on wooden planks.

Product Details

Advantages

Can be set with standard excavation equipment
Superior to other technologies in both minimal and maximum burial requirements
Speed of installation much quicker than pipe or chambers, no stone placement required
Overlapping connection eliminates soil intrusion
Arches are durable, eliminating special compaction requirements
Structural tsting verified by independent third-party engineer
Arcs can be used with any concrete drainage chamber
StormArc gives 100% capacity by eliminating crushed stone

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