Symptoms
- Puddles that sit for hours or days near the foundation after rain
- Soggy or muddy ground close to the house
- Basement dampness or leaks correlating with these puddles
Likely causes
- CommonGround sloping toward the house instead of awayGrading is the single biggest factor in whether water runs away from or toward a foundation.
- CommonDownspouts discharging too close to the houseConcentrated roof runoff right at the foundation overwhelms the soil's ability to absorb or shed it.
- PossibleCompacted or clay-heavy soil that drains poorlySome soils simply hold water longer regardless of slope, needing added drainage.
What to do
- Watch during or right after a rain to see exactly where water collects and how it's getting there.
- Check that soil slopes away from the foundation for at least the first 6–10 feet, roughly 6 inches of drop over that distance.
- Add or extend downspout extensions to discharge water well away from the foundation.
- Fill in low spots near the foundation with soil, tamping and sloping it away from the house.
- Consider a French drain or a swale to redirect water around persistent problem areas.
- Avoid flower beds or mulch berms that trap water right against the foundation wall.
- Recheck after the next significant rain to confirm the changes actually solved the pooling.
Tools and parts
- Shovel
- Rake
- Level or line level
Fill dirt/topsoilSearch: “topsoil for grading”
Downspout extensionSearch: “downspout extension”
When to call a pro
Call a drainage or landscaping contractor for a French drain system or major regrading work.
Safety
Generally low risk
Generally low risk for a careful person. Stop if anything looks different from what this guide describes.