When water starts hanging around where it shouldn’t, it’s easy to feel unsure – like something might be off, but you’re not sure what. Maybe you’ve noticed puddles that stick around for days, soft spots in the yard, or soil pulling away from the house. It all feels a little suspicious, but how do you know if it’s actually a problem?
That’s where we come in. At Anchor Foundation Repair, we help homeowners figure out what’s really going on before jumping into repairs. We’ve seen how poor drainage can quietly sneak up on a home and cause foundation trouble over time. Our goal is to make this stuff easy to understand, so you can act early – whether that means a quick DIY fix or calling in some help.
In this article, you’ll learn how to spot poor drainage around your foundation, how to test drainage during and after rain, and where exactly to check so you can protect your home before things get worse.
What Specific Signs Show Poor Drainage?
Poor drainage can be a slow, sneaky problem. You might not notice anything major at first. After all, you’re hiding out in your house and staying out of the rain like a smart person. Perhaps you’ve started to observe a little standing water after a storm, or mulch that keeps sliding out of place. These are your home’s way of waving a small flag for attention.
When drainage isn’t working right, water lingers where it shouldn’t, soil moves around, and your foundation ends up taking the hit over time. It’s not always dramatic, but it’s definitely something you can spot once you know what to look for.
Here are some clear signs of poor drainage around your foundation:
- Puddles that form next to your slab and stay for days after it rains,
- Soil erosion, washouts, or bare spots near the foundation,
- Mulch or landscaping that shifts or washes away after storms, and
- Soil pulling back from the foundation in dry months, then turning into a muddy mess when it rains.
Those signs above would apply to any type of home foundation, but if you have a crawl space or pier and beam foundation, there are a few extra indicators to look for in addition to the list above. Some signs come from inside the house, or underneath your home, as well as around the exterior. You really gotta look in that crawl space too!
- Flooded out standing water under your home,
- Very soggy, damp, and humid crawl space,
- Faint “earth” odor wafting up into the living space, and
- Existing drain pipes that funnel water out from under your house.
If you see one or more of these issues, you don’t have to panic, but it’s worth paying attention. Catching drainage problems early – and making sure any systems you already have in place are working properly – are the easiest ways to avoid costly foundation repairs later.
Check That Drainage Is Working While It’s Raining
The best time to test your drainage is when Mother Nature does the work for you. Next time it rains, grab a rain jacket and take a look around your home. I promise you won’t melt – well, unless you’re the wicked witch from the Wizard of Oz, that is . . .
Start with the gutters and downspouts. Are they overflowing? Are they clogged, or dumping water straight down beside the foundation? Then, step back and watch how the rainwater flows through your yard. You want it heading away from the house, not toward it.
Check all around and under your home (if a crawl space). Watch how the water either stands, gathers, or flows. Just how much water is pooling up and where. It’s good to do these *during* observations so that you can compare the heaviest accumulations to how they look after the rain stops.
Is it swirling around in one location and not finding anywhere to go? Pooling in a low spot? Do any existing catch basins, French drains, or underground drainage pipes appear to be functioning? Is any of your flatwork (sidewalk, patio, etc.) holding water or tilted to cause water to hang out near your home rather than drain away?
Proper drainage clears water quickly and keeps the soil around your foundation at a consistent moisture level, not soaked in one area and cracked dry in another.
Where Around My Home Should I Check After Rain?
To get a real sense of what’s happening, take a slow lap around your foundation again immediately after (or like within an hour after) a big rain. Look carefully at these key areas:
- Roofline and downspouts: Make sure water from the roof is carried far enough away—extenders or splash blocks can help.
- Low spots or depressions: Watch for areas that collect and hold water near the slab.
- Perimeter soil slope: The yard should gently slope away from your home, not toward it.
- Concrete flatwork issues (patios, sidewalks, driveways): Check that these surfaces aren’t slanted in a way that funnels water back to the house.
- Existing underground drainage elements: Do any appear clogged or struggling?
If you’re seeing water pooling in the same areas again and again or sticking around when it should be gone by now, it’s a sign that drainage needs improvement – either through grading, better gutter extensions, reworking existing configurations, or re-sloping your yard.
Then, check everything again a day or two later. Are there still any puddles hugging the slab? Is the soil still soggy up against your home while the rest of the yard is drying out? If so, your drainage probably needs some TLC sooner rather than later.
When You Decide to Work On Drainage
Drainage systems and issues are challenging because we don’t see them *in action* every day. Plus, you don’t think about these problems most of the time. It’s not like your refrigerator breaking or, God forbid, your AC going out – in Texas, that’s practically an emergency!
Most of the time, we’re more focused on dealing with heat around here, not water. You only know your drainage isn’t working when you occasionally need it to work and then it’s like, “Uh oh . . . that’s not good . . .” (as you watch water seeping into your home). And if water’s not seeping into your home, it’s easy to put it off again and again.
So try not to procrastinate for too long if you do spot an issue that needs work. Mega rain tends to come out of nowhere in BCS, know what I mean?
When you decide to make an improvement, you then have to wait to see how your actions change the overall drainage outcome. It’s a slow process, so be prepared for trial and error, and pack an extra helping of patience as you work through these issues.
For help on this, check out Can I Fix Poor Drainage Around My Home’s Foundation? 6 Steps to Take for an ordered list of what’s best to try first.
Keeping an Eye on Drainage & Easy Fixes
Now you know what poor drainage looks like, i.e., puddles, soil shifts, and soggy spots that linger – and how to tell during and after a rain if water is flowing where it should. You also know where to look around your home to catch small drainage problems before they turn into big ones.
At Anchor Foundation Repair, we’ve seen it all when it comes to drainage and foundation issues. Our goal is to help you feel confident about your home and give you the knowledge to act early. Most of the time, you can fix small drainage issues yourself, but we’re here when things get more serious or start to affect your foundation.
If you’re ready for your next step, check out our article: Easy Do-It-Yourself Home Drainage Fixes Around Your Foundation. It walks you through a couple of simple ways to redirect water, improve grading, and protect your foundation from future damage – without calling in the drainage professionals just yet.