Low Impact Development

Low Impact Development is a new and exciting way to handle stormwater runoff.  It is an approach to manage the effects of stormwater runoff close to its source, rather than constructing stormwater management basins at the end of pipe.  It seeks to preserve and protect environmentally sensitive site features such as wetlands, steep slopes, woodlands, riparian buffers, flood plains, and highly permeable soils.

A significant benefit of using LID techniques is that the cost of infrastructure, including piping and land grading, can be significantly reduced.  Governments at all levels have been promoting its use to improve the quality of runoff and reduce the effects of development on the environment. 

With our years of experience in site design, protection of environmentally sensitive site features, and the design of stormwater management facilities, Evans Associates has been in the forefront of using low impact development techniques for our clients.  Using low impact development techniques can significantly reduce the site development costs since there is less land grading, storm water piping, curbing and paving. 

Rain gardens, bioretention and infiltration facilities, as well as vegetated channels and filter strips are some of the design tools that are used to implement low impact development stormwater management techniques.

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