Drainage Flow Assessment in Kirksville, MO

A drainage flow assessment traces the path water takes across your property during and after rain. Where it enters the site, which direction it travels, where it slows down and collects, and how long it takes to disappear. It is a different question from grading: grading tells us what the ground should do, flow tells us what the water is actually doing.

Roof water is usually the largest single source, and the most commonly mishandled. A roof concentrates an enormous volume into a handful of downspouts, and where those discharge within a few feet of the wall they saturate one small area of soil repeatedly, storm after storm. We check every downspout, where it discharges, whether extensions or buried lines exist, and whether those lines are still flowing or have silted shut.

Then we look at what happens at ground level: low areas that hold water, the paths runoff cuts across the lawn, hard surfaces like driveways, patios, and walks that shed water toward the house instead of away, window wells that collect and hold it, and runoff arriving from a neighboring property or a street higher than yours. The evidence is usually visible after the fact in erosion channels, silt deposits, washed-out mulch, moss on the foundation, and grass that stays saturated for days.

In Northern Missouri and Southern Iowa a few problems come up again and again. Downspouts dumping at the foundation. Buried discharge lines that plugged years ago and now back up at the house. Backfill that settled along the foundation and created a trench running the length of the wall. Heavy clay soils that shed water slowly and stay saturated long after a storm. Flat lots where water has no gravity route away. And window wells without drainage, holding water directly against a basement window.

The findings turn into a specific plan: which downspouts to extend or pipe away and where to discharge them, which low areas to fill and regrade, where a French drain or surface drain would intercept runoff before it reaches the house, and which hard surfaces or window wells need correction. We tell you which items matter most, and we can do the work.