UNDERWATER STORMWATER RETENTION
Twin Cities Stormwater Retention Solutions
Designing Earth Contracting builds and maintains underground stormwater systems for commercial and municipal sites across the Twin Cities. With over 25 years in excavation and environmental construction, we deliver stormwater retention solutions that keep your project compliant, on schedule, and built to last.
Comprehensive Underground Stormwater Systems
We install detention and retention systems that control runoff and meet all watershed requirements. Our crews handle excavation, grading, and installation with precision. The result? Efficient, cost-effective systems built to perform.
Vault and Cyclone Systems
We construct underground vaults and cyclone separators that remove sediment and contaminants before water reaches lakes or streams. Each system is engineered for durability and sized to fit your site’s layout and load requirements.
Stormwater Ponds and Overflow Channels
Our team builds and restores stormwater ponds, overflow structures, and channels that safely move and store runoff. Every installation is completed to meet performance and safety standards for long-term reliability.
Our in house site grading, utility and specialty crews can handle and manage any project that you may have
Stormwater Retention Maintenance and Restoration
Pond and Channel Cleanouts
Sediment and debris reduce capacity over time. We perform full cleanouts to restore system flow and efficiency, using the right equipment for quick, compliant removal.
System Inspections and Repairs
We inspect, service, and repair underground stormwater systems to prevent failures and extend system life. Regular maintenance keeps your property compliant and your infrastructure operating as designed.
Specialized Stormwater Retention Solutions
Custom Design Assistance
We partner with developers and engineers during design to identify the most efficient, cost-effective system for the site. Our experience with soil conditions and watershed criteria helps you avoid rework and unexpected costs.
Sustainable Water Management
We integrate sustainable practices into every system—reducing runoff impact, supporting groundwater recharge, and lowering long-term maintenance needs. Our goal is dependable performance with minimal environmental footprint.
Why Choose Designing Earth Contracting for Underground Stormwater Systems
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Proven Expertise
For over 25 years, we’ve delivered excavation and environmental construction projects across Minnesota. With experienced crews and state-of-the-art equipment, we complete stormwater installations safely, accurately, and on schedule.
Efficient Project Delivery
We manage every stage in-house, from excavation to final inspection, to eliminate delays and keep budgets controlled. Direct coordination between our project managers and your team ensures seamless execution.
Regulatory Confidence
We understand watershed and municipal codes inside and out. Every system we build meets or exceeds local and state requirements, giving you confidence that your site will pass inspection and remain compliant.
Start Your Stormwater Project Today
Partner with Designing Earth Contracting for dependable, compliant stormwater retention solutions.
Contact our project managers at 763-434-4131 to get your stormwater system project started.
Frequently Asked Questions
What types of underground stormwater systems do you install?
We install detention, retention, vault, cyclone, and other custom systems based on your site and regulatory needs.
Do you handle both design and installation?
 Yes. We assist during design and manage complete installation for efficient, compliant results.
How often should stormwater systems be cleaned or inspected?
We recommend annual inspections and cleanouts as needed. Our maintenance plans keep systems performing at full capacity.
Are your stormwater systems compliant with Minnesota watershed requirements?
Yes. Every system is built to meet or exceed local and state environmental standards.
What areas do you serve?
We serve commercial and municipal clients throughout the Twin Cities Metro, Minnesota, and Western Wisconsin.