Underdrain Cleanout, Inspection & Maintenance in Alexandria, VA

AllGreen Solutions Stormwater Management installs detention and retention ponds for residential and commercial properties across Alexandria, VA.

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  • Reduces peak runoff volume leaving your property during heavy rain events
  • Filters sediment, nitrogen, and phosphorus before water reaches local waterways
  • Protects structures and landscaping from erosion caused by uncontrolled sheet flow
  • Supports compliance with Alexandria's stormwater BMP requirements for developed sites
  • Lowers long-term flood risk for low-lying or clay-soil properties where water pools
  • Adds a managed water feature that can increase usable green space on larger parcels
A newly installed retention pond on a commercial property in Alexandria, VA, with a graded earthen embankment, a concrete outlet structure, and a vegetated buffer along the pond edge. The surrounding site shows controlled grading directing stormwater runoff into the pond basin.

Expert Underdrain Cleanout, Inspection & Maintenance in Alexandria, VA

AllGreen Solutions provides comprehensive underdrain cleanout, inspection, and maintenance services for subsurface stormwater systems throughout Northern Virginia and Maryland. We utilize high-resolution camera diagnostics and targeted hydro-jetting to locate and clear silt, roots, and crushed sections in underdrain lines — restoring proper water draw-down in bio-retention cells, detention basins, and low-lying landscapes to keep systems operating at peak performance.

Underdrains are the hidden backbone of stormwater BMPs. When they become clogged or damaged, standing water accumulates, pollutant removal efficiency drops, and regulatory compliance is put at risk. Our team combines CCTV camera inspection with precision jetting to diagnose the exact location and nature of each obstruction before any work begins — whether it's sediment buildup, root intrusion, or a structurally compromised section of pipe.

Routine maintenance programs from AllGreen Solutions keep underdrain systems functioning between regulatory inspection cycles, reducing the risk of costly emergency repairs and helping property owners and municipalities meet stormwater permit requirements. We serve commercial properties, HOAs, municipalities, and state agencies across the Northern Virginia and Maryland region. Contact AllGreen Solutions to schedule underdrain cleanout, inspection, or maintenance service today.

What's included

  • Reduces peak runoff volume leaving your property during heavy rain events
  • Filters sediment, nitrogen, and phosphorus before water reaches local waterways
  • Protects structures and landscaping from erosion caused by uncontrolled sheet flow
  • Supports compliance with Alexandria's stormwater BMP requirements for developed sites
  • Lowers long-term flood risk for low-lying or clay-soil properties where water pools
  • Adds a managed water feature that can increase usable green space on larger parcels
20+ Years Stormwater Experience
CCTV & Hydro-Jetting Certified
Municipal & Government Contracts
Regulatory Compliance Expertise
Confined Space Entry Operations

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Underdrain Cleanout, Inspection & Maintenance FAQ

Common questions about underdrain cleanout, inspection & maintenance in Alexandria, VA.

The right choice depends on your site's drainage area, soil type, and runoff volume. A detention pond releases water slowly after a storm, while a retention pond holds a permanent pool that filters pollutants year-round.

Commercial sites, HOA communities, and larger residential parcels in Alexandria most often require a pond when development increases impervious surface area. Properties in low-lying areas or on clay-heavy soil also benefit from on-site pond storage.

Yes, pond owners in Alexandria are responsible for keeping their stormwater facility in working order. Routine maintenance includes sediment removal, vegetation management, and inspection of inlet and outlet structures.

Yes, a correctly sized pond captures and holds runoff during storms, reducing the volume and speed of water leaving your site. This directly lowers flood risk for structures, parking areas, and adjacent properties in Alexandria.

We calculate existing and proposed runoff rates based on your site's impervious area, drainage patterns, and soil conditions in Alexandria. That data drives the pond sizing to meet local stormwater management targets.

Alexandria's Stormwater Utility Fee Credit Program allows property owners who install eligible BMPs to apply for a fee reduction. We recommend contacting the City of Alexandria's Stormwater Management Division to confirm eligibility for your specific installation.

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What Falls Church County customers say.

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AllGreen Solutions handled our stormwater system inspection and maintenance with real professionalism. Their team communicated clearly throughout the process and delivered thorough documentation for our compliance records.

Marcus T. Google review

We brought AllGreen in to service our bioretention facility and address some drainage issues on our property. They identified problems we hadn't noticed and took care of everything efficiently.

Diane R. Google review

AllGreen has been our go-to contractor for storm sewer cleaning and CCTV inspections. Their crews are knowledgeable, show up prepared, and the reporting they provide is exactly what our agency needs.

Kevin S. Google review

Proudly Based in Alexandria, VA

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Hours

  • Monday 9:00 AM - 5:00 PM
  • Tuesday 9:00 AM - 5:00 PM
  • Wednesday 9:00 AM - 5:00 PM
  • Thursday 9:00 AM - 5:00 PM
  • Friday 9:00 AM - 5:00 PM
  • Saturday Closed
  • Sunday Closed

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