Advanced Drainage Systems Bought StormTrap for $530M
The infrastructure firm is entering the high-volume stormwater market to broaden its technical capabilities.
Updated on Oct. 6, 2026 in Corporate Finance
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Advanced Drainage Systems has entered an agreement to acquire StormTrap for $530 million, a move aimed at expanding the buyer's presence in large-scale stormwater storage. The deal, valued at $450 million after accounting for tax benefits, has received approval from the boards of both companies.
Why it matters
This acquisition allows Advanced Drainage Systems to scale its footprint in engineered stormwater management by integrating StormTrap's specialized concrete-based systems. It represents a strategic push into high-volume segments that demand specialized supply chains.
StormTrap reported $165 million in revenue during the 12 months ending July 2026. The transaction commands a gross price of $530 million, which net of tax benefits is valued at $450 million.
The players
Advanced Drainage Systems
A publicly traded provider of drainage and stormwater management solutions serving various infrastructure sectors.
StormTrap
A manufacturer of engineered stormwater management solutions utilizing precast concrete and partner networks.
PSP Partners
A Chicago-based private investment firm with a focus on middle-market companies and operational growth.
The details
Advanced Drainage Systems intends to leverage StormTrap's established national network of concrete suppliers and precast manufacturing partners to deliver its engineered systems. The firm plans to utilize a combination of available cash and existing credit capacity to finance the purchase, integrating the target's stormwater storage technology into its broader portfolio.
Timeline
12 months ending July 2026: StormTrap generated $165 million in revenue.
Fourth quarter 2026: The acquisition is expected to close.
Market Landscape
This deal follows the established industry pattern of larger infrastructure firms acquiring specialized technology providers to consolidate market share in high-volume stormwater management. The transaction marks a notable shift in how major firms scale their regional precast and concrete supply capabilities.
Operators in the infrastructure and precast concrete space should monitor how this integration affects regional supplier relationships and pricing power for large-volume storage projects. The closing, expected in the fourth quarter of 2026, will likely signal a shift in competitive landscape for stormwater contract bidding.
The takeaway
Large-scale acquisitions in niche infrastructure segments often hinge on the ability to leverage existing distribution and supplier networks effectively. Owners should track the integration of StormTrap’s concrete network to see if Advanced Drainage Systems expands the availability of these systems in new regions.
Further reading
For more on industry consolidation trends, visit the Corporate Finance section.
Source note: This article includes information reported by Smart Water Magazine.
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