A large Filterra Bioscape stormwater management solution at the Whispering Firs Stormwater Park.

Stormwater Management Solutions

We’ve got all the right pieces.

But even the most flexible stormwater products won’t arrange themselves. To succeed in this rapidly changing environment, you need a partner to help you navigate the complexities of local regulations – someone who is responsive to your requests, saves your customers money and accelerates the design process. That’s why Contech is the trusted partner you can count on for stormwater management solutions.

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Navigating Stormwater Regulations with Innovative Solutions

Stormwater management is becoming increasingly complex as regulations become more strict with each permit cycle. It’s no longer enough to simply move water away from a site—we are now often required to retain and treat it. Traditional methods and BMPs simply aren’t enough to address these evolving challenges effectively.

To succeed in this rapidly changing environment, you need a partner to help you navigate the complexities of local, state and federal regulations — one who is responsive to your requests and provides innovative solutions that save your clients money and accelerate the design process.

In addition to stormwater expertise, Contech offers a wide range of innovative, flexible product solutions engineered to solve your site’s unique challenges and reduce long-term maintenance costs. From traditional BMPs to LID solutions, our ongoing investment in robust laboratory and field evaluations ensures we have a variety of solutions to comply with local regulations so your projects get approved the first time. With our responsive team of stormwater experts, local regulatory expertise and flexible stormwater management solutions, Contech is the trusted partner you can count on for all your stormwater management needs.

DESIGN

Provide engineers with technically focused recommendations

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SPECIFICATION

Help engineers develop an
efficient solution

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PERMITTING

Make sure all recommendations
are approved locally

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INSTALLATION

Support contractors and owners through the entire process

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FAQs

  • CDS
  • Debris Separating Baffle Box (DSBB)
  • Modular Wetland System
  • Bio Clean Curb inlet and Grate Inlet Filters

Contech routinely provides engineers with design drawings, sizing documentation, operation and maintenance guidance, and performance verification documentation for inclusion in stormwater management plans. Because local plan check requirements vary, please contact your local Contech Stormwater Consultant to develop a submittal package tailored to your project’s specific needs.

No, Contech does not currently offer a plastic crate detention system. Contech has chosen not to manufacture this type of system due to concerns about long-term access, inspection, and maintenance.

Underground detention systems collect sediment, trash, and debris over time, so the ability to inspect and clean the system is an important design consideration. Many plastic crate systems have limited internal access, which can make it difficult to verify system conditions, remove accumulated material, or perform maintenance throughout the life of the project.

Instead, Contech focuses on underground detention solutions that provide accessible storage, including corrugated metal pipe, steel-reinforced polyethylene pipe, ChamberMaxx plastic chamber systems and UrbanPond precast concrete detention systems. These systems can be designed with manholes, risers, cleanouts, and other access points to support long-term inspection and maintenance.

Contech stormwater treatment systems can be configured upstream or downstream of a variety of detention systems, including above-ground ponds and underground detention systems.

The detention systems may be concrete, metal or plastic, depending on site needs.  Contech manufactures detention systems in each material type to accommodate a variety of site conditions. The final configuration should be reviewed by the project engineer to confirm proper sizing, hydraulic grade line, bypass requirements, access, maintenance approach, and local agency approval.