Stormwater Underground & Vacuum Truck Services in Montgomery County

In highly urbanized areas like Montgomery County, Maryland, stormwater management can be a significant challenge due to increased runoff and limited surface space for stormwater devices. Dragonfly Pond Works is here to provide specialized maintenance services for underground stormwater control measures on commercial properties. Our routine maintenance and vacuum truck services, combined with our expertise and certifications, ensure the optimal functioning of these systems while complying with local regulations.

A white vacuum truck pumps sediment and debris out of a clogged underground system drain in Rockville, Maryland.

This vacuum truck is clearing a clogged commercial underground system, which has lead to a flooded parking lot.

Going Underground for Effective Stormwater Control

Traditional stormwater control measures (SCMs) may not be feasible in densely populated urban areas, such as Rockville, Gaithersburg, Takoma Park, and the rest of Montgomery County, where impervious surfaces dominate the landscape. However, underground stormwater devices offer an ideal solution. These systems are strategically built beneath commercial property parking lots, utilizing the available space efficiently.

Types of Underground, or Subsurface, Stormwater Systems:

1.       Underground Sand Filter

2.       Underground Storm Chambers

3.       Underground Storage Vaults or Tanks

4.       Hydrodynamic Separators

5.       Underground Filtering Facilities

6.       Underground Flow Splitter

 

Designs vary by system, however, the main function is the same, to receive stormwater runoff and filter out pollutants, trash, and debris before the runoff reaches local bodies of water. Many of these devices are also designed to release runoff slowly from the system to reduce flooding concerns.

Specialized Maintenance is Key to Underground System Compliance and Functionality

Underground stormwater systems in Montgomery County and the surrounding area fall under local compliance regulations. Improperly maintained systems are subject to Notice of Violations (NOVs) and fines. Proper maintenance is crucial to ensure the effective functioning of any stormwater control measure, including underground systems. Without regular maintenance, these systems can become clogged with sediment, debris, and trash, leading to reduced pollutant filtration, flooding, and the formation of stagnant water, which becomes a breeding ground for mosquitoes. Additionally, construction activities upstream can introduce sediment that may clog the device. Dragonfly Pond Works possesses the specialized knowledge, certifications, and safety equipment required for maintenance, repairs, and vacuum truck services of commercial property underground stormwater devices.

Before an after comparison of an underground sand filter with poor filter media (right) and refreshed filter media (right) to restore compliance.

Dragonfly’s stormwater maintenance crew replaced the filter media in this underground system to restore optimal function.

Underground System Key Maintenance Tasks

Our specialized stormwater technicians perform the key maintenance tasks to keep your underground device compliant in Rockville, Gaithersburg, Takoma Park, and surrounding Montgomery County. We provide detailed reports with photos following every Dragonfly service. Our technicians note areas of concern and make recommendations to keep you ahead of repairs before they become more costly. Depending on the device type, key maintenance tasks include:

  • Clearing access grates of trash and debris to facilitate unobstructed flow into the system

  • Remove trash, debris, sediment, oil, and grease accumulation from within the system

  • Clear clogged pipes and outlet control structures

  • Rake or replace filter media as needed, or at minimum annually

  • Grout and seal cracks to prevent further deterioration

  • Thorough inspection and documentation of all system components

Flooded parking lot at a Montgomery County gas station due to a clogged stormwater drain.

This Montgomery County gas station has a flooded parking lot due to a poorly maintained underground stormwater system.

Montgomery County Vacuum Truck Services

While most maintenance tasks can be performed manually, situations may arise where the underground device becomes filled with excessive muck or sediment. In such cases, Dragonfly Pond Works employs a Vacuum Truck (Vac Truck) to efficiently remove the buildup. This is especially common when regular maintenance is neglected or when construction activities occur upstream. Our stormwater experts may recommend this service be completed annually to stay ahead of major issues and failures. Clogged systems leave your Montgomery County property vulnerable to flooding. This can lead to safety and customer access issues, along with potential property damage.

An aerial photo of a flooded commercial parking lot due to clogged drains and clogged underground systems.

A major storm caused widespread flooding on this large commercial property due clogged drains and clogged underground systems.

 

Construction and major repairs of underground stormwater control measures are often more expensive compared to surface systems. However, through our specialized routine maintenance plans, Dragonfly Pond Works helps clients reduce long-term costs associated with repairs. By investing in our comprehensive maintenance services, clients can extend the lifespan of their underground systems while ensuring compliance with local regulations.

A Dragonfly underground maintenance technician looks up and waves as he climbs down to inspect an underground system.

Dragonfly: Your Montgomery County Underground Stormwater Management Partner

Dragonfly Pond Works is the leading provider of specialized maintenance services for underground stormwater control measures, servicing Rockville, Gaithersburg, Takoma Park, and surrounding Montgomery County. Our expertise, certifications, and vacuum truck capabilities enable us to ensure the optimal functioning of these systems, protecting properties, and ensuring compliance with local regulations. Contact us today to learn more about our customized underground stormwater control measure maintenance plans and secure the longevity of your stormwater management infrastructure.

Montgomery County Underground Services, Stormwater Maintenance, Corrective Repairs, & More

Learn about our stormwater corrective repair and reconstruction capabilities, available across all of our markets. See our reconstruction of a long-neglected stormwater dry pond.

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Dragonfly Pond Works provides specialized underground services, pond and stormwater maintenance, compliance repairs, and more in Montgomery County, Maryland, including Rockville, Gaithersburg, and Takoma Park. We also provide our full stormwater services in DC Metro, Northern Virginia, Maryland, Raleigh, Durham, Charlotte, and Wilmington, North Carolina, Charleston, Columbia, Myrtle Beach, and Greenville, South Carolina, Tampa, Sarasota, Naples, Fort Myers, Florida, Atlanta, and Athens, Georgia.

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