Drainage and Site Conditions

Information about grading, runoff, permeable surfaces, soil types, downspouts, retaining wall drainage, freeze-thaw considerations, and stormwater-related planning topics.

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Frequently Asked Questions

Are permeable pavers good for driveways?
Yes, permeable pavers can be a good choice for driveways because they allow water to drain through the surface, helping reduce runoff, puddling, and erosion. They can be durable enough for vehicle traffic when installed over a properly designed base with suitable drainage. They may need periodic maintenance, such as cleaning debris from joints, to keep water flowing properly.
What drainage issues should I consider before installing pavers?
Before installing pavers, consider where water currently flows, whether the area has low spots that collect water, and whether the base can be graded to slope water away from buildings. Poor drainage can cause pooling, erosion, settling, weed growth, and freeze-thaw damage in colder climates. It’s also important to plan for downspouts, nearby landscaping, soil type, and whether drains or permeable paver options may be needed to manage runoff.