5 Things to Love About Low Impact Development

Heather Diemer - Monday, January 08, 2018

Did you know that Low Impact Development (LID) can work to the advantage of a developer when it comes to stormwater permitting?  And as we talked about in a previous blog it CAN COST LESS!

If you’re not familiar with the term, let’s get up to speed. LID is an overall site design approach that aims to mimic natural site hydrology through the use of natural best management practices for stormwater management. One LID technique our landscape architects and stormwater experts like to implement is bioretention.

Biorentention uses the natural biological and physical characteristics of soil and vegetation to capture, store and filter stormwater runoff. Vegetation, such as trees, shrubs, and grasses remove pollutants that are picked up in stormwater as it flows over ground surfaces through uptake by their root systems.  Soil particles trap the pollutants through absorption while the water filters through. 

What do we love about these systems?

1. They are aesthetically pleasing. 


Bioretention system incorporated into the site design at the newly renovated Lansdale Municipal Complex – Winner of the 2017 Montgomery Planning Award.

    2. Provide stormwater rate and volume control as well as water quality benefits which aides in meeting stormwater/NPDES permitting criteria.

    3. “Flexible” - Can easily be incorporated into green spaces, streetscapes, median strips and parking lot islands.


4. They are efficient and cost-effective.

5. Great for the environment and wildlife. They create habitats, provide shade, reduce urban heat island effect and improve air quality.

Look for upcoming blogs as we talk about the different types of bioretention systems including rain gardens, infiltration basins and vegetated swales that can be used for stormwater management.

Want to learn how these designs can be incorporated into your next project, contact us!

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We specialize in providing civil engineering, land surveying, land planning, and landscape architecture services to the communities within Chester County, PA; Delaware County, PA; Montgomery County, PA; Bucks County, PA; and the City of Philadelphia. Our portfolio also includes work throughout DE, MD, NJ, and VA.