Optimize water management solutions

Professional Drainage Improvement Services in Washington DC

Awar Group Companies Inc. specializes in providing comprehensive drainage improvement solutions that ensure long-term site performance and environmental protection. As a licensed and insured geotechnical specialty contractor with years of experience, we design and implement effective water management systems for commercial, municipal, and infrastructure projects across the Washington metropolitan area. Our engineering expertise, combined with sustainable construction practices, allows us to deliver drainage systems that not only meet regulatory requirements but also enhance the resilience of surrounding structures and landscapes.

Trench with large concrete pipes being installed; construction site, daytime.

Comprehensive Drainage Solutions for Every Project

Our drainage services extend well beyond basic stormwater management. We provide customized systems that control runoff, prevent erosion, and protect valuable assets from water damage. With a strong focus on both functionality and sustainability, we offer solutions such as:


  • Surface Drainage Improvements – Grading, swales, and surface channels designed to direct runoff safely away from buildings and infrastructure.
  • Subsurface Drainage Systems – Installation of perforated pipes, French drains, and engineered systems to control groundwater and reduce hydrostatic pressure.
  • Green Infrastructure Techniques – Integration of rain gardens, bioswales, and permeable pavements that manage stormwater naturally while improving site aesthetics.
  • Erosion Control Systems – Stabilization of slopes, embankments, and disturbed soils to reduce sediment transport and protect waterways.


Our experienced engineers evaluate site conditions, soil composition, and hydrological factors to design tailored drainage plans that provide maximum efficiency and durability.

The Awar Group Design-Build Approach

As a design-build geotechnical contractor, we manage the entire drainage improvement process from planning through installation. Our structured approach ensures high-quality results at every stage:


  • Site Analysis & Hydrological Assessment – Detailed review of topography, soil permeability, and existing drainage conditions.
  • Custom System Design – Engineering of drainage solutions that balance performance, sustainability, and cost efficiency.
  • Implementation & Installation – Professional crews equipped with advanced tools to deliver precise and effective installations.
  • Regulatory Compliance – Full adherence to local, state, and federal stormwater management standards.
  • Ongoing Support – Continued consultation and monitoring to ensure long-term system effectiveness.


By combining engineering precision with construction expertise, we provide drainage solutions that protect projects from water-related risks while aligning with environmental best practices.

A long, narrow trench dug in dirt and gravel; bricks line the trench walls.

Applications for Drainage Improvement systems

Our drainage services are integral to a wide range of construction and infrastructure projects, including:


  • Commercial Developments – Protecting office buildings, retail centers, and industrial facilities from water damage.
  • Transportation Infrastructure – Managing runoff around highways, bridges, and transit systems to maintain safety and durability.
  • Urban Redevelopment – Integrating modern drainage solutions into city projects to enhance sustainability and reduce flood risks.
  • Parks & Recreational Areas – Combining stormwater management with green infrastructure to preserve natural landscapes and improve public spaces.


Residential Communities – Implementing large-scale systems that support neighborhood developments and protect homes.

Sustainable Drainage That benefits communities

At Awar Group Companies Inc., we believe effective drainage should go hand-in-hand with environmental stewardship. Our projects often incorporate green infrastructure that reduces runoff volume, filters pollutants, and replenishes groundwater. By utilizing innovative techniques such as permeable pavements and bio-retention systems, we create solutions that not only improve water management but also enhance the community and contribute to long-term ecological health.

What to Expect When You partner with us

When you choose Awar Group Companies Inc. for your drainage improvement needs, you can expect:


  • Comprehensive site and hydrological evaluation
  • Custom drainage designs tailored to your project
  • Installation of both traditional and green infrastructure systems
  • Expert crews that deliver efficient, compliant installations
  • Ongoing consultation and project support


Reliable water management is essential for every successful construction project. Trust Awar Group Companies Inc. to deliver drainage solutions that combine engineering expertise, sustainable practices, and long-term performance.


Contact us today to schedule your consultation and learn how our drainage improvement services in Washington, DC, can optimize your project’s water management strategy.

Yellow excavator at a ditch with gravel, next to a black drainage box in a dirt opening near a road and grass.