Parking Lot Drainage Contractor in Milwaukee, WI

Parking Lot Drainage Solutions for Commercial Properties

When it comes to protecting your pavement, proper drainage matters. Poor drainage can lead to parking lot flooding, potholes, and costly structural damage if left unchecked. That’s where PLM Paving comes in.

Our team specializes in parking lot drainage solutions designed for Milwaukee’s unique climate and soil conditions. We manage every stage of the process to ensure your pavement remains strong, safe, and functional year-round.

From installing new drainage systems to addressing recurring water issues, PLM Paving delivers the best solution every time.

The Drainage Installation Process

Installing a parking lot drainage system requires careful planning to make sure your pavement holds up against Wisconsin’s freeze-thaw cycles and heavy rainfall. Here’s how our process works:

Planning & Design

We will assess your property before any work begins. Our team evaluates water movement patterns, grading, and soil conditions, as well as the state of existing utility systems. This careful planning stage helps minimize future repairs and makes sure your drainage system works as intended from day one.

Excavation & Installation

With the design in place, we then prepare the site by excavating the pavement and underlying soil. Our crews dig trenches that accommodate the new drainage and utility lines while protecting surrounding infrastructure.

Backfilling & Restoration

Once drainage is installed, the excavated areas are securely backfilled to protect the system and stabilize the surface. We then restore the pavement using high-quality asphalt or concrete materials, compacting and finishing the surface to match the surrounding area.

Key Benefits of Proper Pavement Drainage

Water is one of the leading causes of pavement issues. A well-designed drainage system is essential for protecting your investment and keeping your property safe. With proper drainage in place, you can expect:

Types of Drains We Install

At PLM Paving, we install a range of parking lot drainage systems designed to handle everything from light surface water to heavy runoff.

Catch Basins

Standard catch basins are one of the most common drainage solutions for parking lots. Installed below-grade, they collect and redirect surface water through underground piping. Catch basins are best for commercial roads and parking lots in areas that don’t get a lot of rainfall.

French Drains

French drains may not be as fancy as they sound, but they are an excellent choice if aesthetics matter to you. A French drain consists of a perforated pipe surrounded by gravel that helps direct water away from the surface. With regular maintenance, French drains can last up to 30 years.

Trench Drains

Trench drains feature a long, narrow channel covered by a grate. They’re perfect for areas that see heavy water flow, such as drive lanes, loading zones, or near building entrances. These drains quickly collect and redirect water, reducing slip hazards and surface damage.

Concrete-Encased Drainage Basins

For heavy-duty applications, concrete-encased drainage basins provide maximum strength and durability. They’re designed to handle high volumes of water and withstand heavy traffic, making them a smart choice for commercial lots, industrial yards, and service roads.

Signs of Drainage Issues in Your Parking Lot

Pooling Water in the Same Area

If water consistently collects in one spot after rain, your pavement may not be graded properly, or the existing drainage system may not be working. Left untreated, pooling water weakens asphalt and shortens its lifespan.

Residual Sediment

When water drains slowly, it often leaves behind sand, dirt, or debris. This buildup can clog drains and signal that your system needs cleaning or repair.

Cracking & Potholes

Water seeping into small cracks expands during freeze-thaw cycles, creating potholes and surface deterioration. If you’re seeing an increase in cracks or potholes, poor drainage may be the culprit.

Water Collecting Around the Drain

Water pooling around a drain may indicate a clog, improper grading, or a damaged drainage component preventing runoff from entering the system. Persistent standing water can weaken the surrounding pavement and create safety hazards if the underlying issue is not addressed.

Deterioration Around Manholes & Catch Basins

Cracking, sinking, or crumbling pavement around manholes and catch basins can indicate poor compaction, water infiltration, or movement beneath the surface. Addressing this deterioration early can help prevent the damaged area from spreading and protect the surrounding pavement.

Choose PLM for Pavement Drainage in Milwaukee, WI

PLM Paving is proud to be Milwaukee’s trusted choice for parking lot drainage solutions. We combine local expertise with proven methods to design, install, and maintain drainage systems that keep your property safe, functional, and cost-efficient.

Unlike other contractors, we’re a self-performing crew—no subcontractors, just highly trained crews who take pride in their work. From initial design to long-term maintenance, you can count on PLM Paving for responsive service and reliable results.

Don’t wait for drainage problems to damage your pavement. Contact PLM Paving today to schedule a drainage assessment and protect your investment.

Parking Lot Drainage FAQs

What are the signs of a parking lot drainage problem?

Common warning signs include water repeatedly pooling in the same area, residual sediment or debris, increasing cracks and potholes, water collecting around drains, and deterioration near manholes or catch basins.

What types of parking lot drains does PLM install?

PLM installs catch basins, French drains, trench drains, and concrete-encased drainage basins. The right system depends on factors such as water volume, traffic levels, property layout, and where runoff collects.

What does the parking lot drainage installation process involve?

PLM begins by evaluating water movement, grading, soil conditions, and existing utilities. The installation process then includes excavation, drainage or utility line installation, secure backfilling, and pavement restoration using asphalt or concrete.

How can poor drainage damage a parking lot?

Poor drainage can cause flooding, erosion, cracks, potholes, and structural pavement damage. Water can also enter pavement cracks and expand during Wisconsin’s freeze-thaw cycles, accelerating deterioration.

Where are trench drains commonly installed?

Trench drains are commonly installed in areas that experience heavy water flow, including drive lanes, loading zones, and locations near building entrances. Their grated channels collect and redirect water to reduce surface damage and slip hazards.

Does PLM subcontract its parking lot drainage work?

No. PLM uses self-performing crews rather than subcontractors for its parking lot drainage work, from initial design and installation through long-term maintenance.