Surface Drainage Solutions in McKinney, TX

Water running across the surface of your yard toward the house is a drainage problem that can often be fixed without installing underground systems. Regrading problem areas or adding swales to redirect flow is sometimes the most efficient and cost-effective solution — especially when a french drain is overkill for the situation.

McKinney sits in Collin County north of Plano, on Blackland Prairie black gumbo clay, a historic county seat that transformed from a modest agricultural town into one of the fastest-growing Metroplex suburbs over the past three decades. That growth pattern means McKinney has a genuinely mixed housing stock — a well-preserved historic downtown square with infrastructure over a century old, alongside extensive newer subdivision development from the 1990s onward. North Texas's intense spring thunderstorm season tests both eras of construction, though for different reasons: the historic core's century-old systems predate any modern storm-water standard entirely, while the newer subdivisions are still working through the first decades of settling into the area's notoriously expansive clay. Chestnut Square Historic Village, a cluster of preserved 19th-century buildings moved to a single site near downtown, and the McKinney Cotton Mill's restored smokestack both anchor a historic district built around the town's original 1840s courthouse square — infrastructure old enough to predate not just Collin County's suburban boom but the arrival of the railroad itself. Wilson Creek runs through the middle of the city and has shaped downtown McKinney's drainage since the original townsite was platted along it, a genuinely older and more direct creek relationship than the engineered detention-pond systems built into McKinney's newer subdivisions since the 1990s further from the historic core.

When Surface Regrading Is Enough

If the problem is water flowing across the surface toward the house — from a sloped lot, a neighboring property, or poor original grading — correcting the slope is often simpler and less expensive than installing underground systems. Regrading restores positive drainage away from the foundation, and an assessment determines whether a swale would help direct the flow toward an appropriate outlet.

Combining Surface and Subsurface Approaches

In many cases the best drainage solution combines surface grading with a french drain or catch basin. Surface grading handles the water that's running across the yard; french drains handle the water that's moving through the soil below. Systems get designed to address both components when needed.

This content is reviewed by the Texas French Drains editorial team and informed by licensed-contractor sourcing, manufacturer documentation, and established industry standards for Drainage. Read our editorial standards.