Exfiltration Trench Drainage Installation

If your yard holds water after heavy rain, an exfiltration trench may be the right drainage solution. At Rainy Days Drainage and Outdoor Solutions, we install drainage systems designed to collect stormwater, move it underground, and allow it to slowly absorb into the surrounding soil.

Exfiltration trenches are commonly used in South Florida because they help manage heavy rainfall, reduce standing water, and protect lawns, foundations, patios, driveways, and low areas of the property.

What Is an Exfiltration Trench?

An exfiltration trench is an underground drainage system made with perforated pipe, drainage stone, and filter fabric. Water enters the system through catch basins, downspouts, yard drains, or surface runoff, then flows into the trench where it can spread out and drain into the soil.

Unlike a basic French drain that mainly redirects groundwater, an exfiltration trench is often designed to temporarily store stormwater underground and slowly release it into the surrounding soil.

When Do You Need an Exfiltration Trench?

  • Standing water after rain
  • Low spots in the yard
  • Downspouts dumping too much water near the home
  • Water collecting near patios, walkways, or driveways
  • Poor yard drainage during South Florida storms
  • Water runoff with nowhere to go
  • Drainage issues where no city drain connection is available

How Our Exfiltration Trench Systems Work

Every property is different, so we look at the slope, soil, water flow, roof runoff, low areas, and discharge options before recommending a drainage system.

A properly installed exfiltration trench may include:

  • Perforated drainage pipe
  • Clean drainage stone
  • Filter fabric to help reduce soil intrusion
  • Catch basins or yard drains
  • Downspout drainage connections
  • Proper trench depth and slope
  • Backfill and clean finish work

Exfiltration Trench vs. French Drain

A French drain and an exfiltration trench may look similar, but they are not always used for the same purpose. A French drain is often used to collect and redirect groundwater or soggy soil conditions. An exfiltration trench is commonly used to collect larger amounts of stormwater and allow it to slowly drain underground.

In many South Florida yards, the best drainage solution typically include both systems working together.

Benefits of an Exfiltration Trench

  • Helps reduce standing water
  • Moves stormwater away from problem areas
  • Protects landscaping and sod
  • Helps manage roof runoff from downspouts
  • Can reduce erosion and washout
  • Works well for many South Florida drainage problems
  • Keeps drainage hidden underground

Dealing with standing water? Request your free drainage estimate today and we’ll get you a custom solution for your property

Built for South Florida Rain

South Florida properties deal with heavy rainfall, flat yards, sandy soil, high water tables, and sudden storms. That means drainage systems need to be built with real field experience, not just a one-size-fits-all layout.

With over 10 years of drainage experience in South Florida, Rainy Days Drainage and Outdoor Solutions understands how water moves across local properties and how to install systems that are practical, clean, and built for real conditions.

Our Exfiltration Trench Installation Process

  1. Property Evaluation: We inspect the drainage problem and identify where the water is coming from.
  2. Drainage Plan: We recommend the best trench location, pipe layout, and collection points.
  3. Installation: We excavate the trench, install pipe, stone, and fabric, then connect drains or downspouts as needed.
  4. Finish Work: We backfill, clean up, and leave the area as neat as possible.
  5. Customer Walkthrough: We explain how the system works and what to expect during future rain events.

Exfiltration Trench Drainage Services Near You

We provide exfiltration trench drainage installation for homeowners and property owners throughout South Florida, including Boynton Beach, Delray Beach, Boca Raton, Lake Worth, Wellington, Palm Beach County, and nearby areas.

How Much Does an Exfiltration Trench Cost?

The cost of an exfiltration trench depends on the size of the project, soil conditions, depth, and how much water needs to be managed. Every property is different, so pricing can vary based on the drainage layout and materials required.

At Rainy Days Drainage and Outdoor Solutions, we provide free estimates. Design the system based on your specific yard conditions and make sure you get the right solution the first time.

Request a Free Drainage Estimate

If your yard floods, holds water, or needs a better stormwater drainage solution, contact Rainy Days Drainage and Outdoor Solutions today. We can help determine the right yard drainage solution for your property

Not sure what you need? Whether it’s an exfiltration trench, French drain, or downspout drainage system, we’ll point you in the right direction and get it right the first time.