Services Stormwater

Aging infrastructure and intensifying storms make managing stormwater runoff volumes and restoring function within impaired watersheds increasingly challenging, particularly in urban areas

Our in-house, dedicated stormwater engineering department sets WithersRavenel apart from the rest.

We have tackled a variety of innovative and traditional stormwater projects, ranging in scope from small studies and conventional designs. We deliver stormwater management solutions that address both water quantity and water quality issues.

Discover our Stormwater Service Offerings

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Our Services

Drone image of Morrisville Town Center Core Wetland

Case Study

  • Client
    Town of Morrisville, NC
  • Project Location
    Morrisville, NC

Transformed a functional stormwater wetland into a vibrant community asset, adding 5–6 acres of usable space and over 1,000 feet of greenway trail. Delivered a multidisciplinary engineering solution, overcoming complex permitting and coordination

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Scalable Solutions

Creative, informed, and dedicated minds can transform civic, residential, commercial, and mixed-use spaces with practical and amenity stormwater solutions. Examples of our service offerings include:

  • Developments. WithersRavenel provides a range of stormwater services targeted to private clients and their development projects. From SCMs to permitting and Complete Streets, our stormwater professionals can advise on a range of development concerns.
  • Watersheds. As watersheds become increasingly impervious, there is a growing need to develop more comprehensive programs to effectively manage the quantity and quality of stormwater runoff. WithersRavenel has addressed this need at every scale and level of government for public sector clients.
  • Stormwater Master Planning. Our stormwater master planning services help communities develop comprehensive plans focused on infrastructure, funding, and capital improvement planning. We also have experience assisting communities with NPDES Phase II MS4 permits.

What Our Clients are Saying

Updating the Town’s stormwater management master plan is an important step toward resiliency. Many factors exist within the coastal environment that limit the use of conventional techniques. WithersRavenel was able to address these challenges through the delivery of project-based solutions that could be rapidly implemented. Upon completion, the improvements were put to the test with Hurricane Dorian, and the system’s performance exceeded the town’s expectations.

David Ryan Town Engineer Town of Nags Head

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Dori Sabeh, PE, GISP

Practice Area Lead, Stormwater

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