A dry basement is something most homeowners take for granted — until it’s not. Water intrusion can lead to everything from mold growth and musty odors to structural damage and expensive repairs. While heavy rains and high groundwater levels often play a role, many basement water problems start with preventable mistakes made by homeowners.
Here are seven common missteps that can lead to water in your basement — and how to avoid them.
1. Ignoring Foundation Cracks
Hairline cracks in basement walls or floors might not look like a big deal, but they’re one of the most common ways water enters a basement. Over time, pressure from surrounding soil and water can widen those cracks, allowing moisture to seep through.
What to do instead: Inspect your foundation regularly. If you see cracks, have them sealed by a professional before they become an entry point for water.
2. Poor Gutter Maintenance
Clogged or damaged gutters cause rainwater to overflow and pool around your foundation. That excess water increases hydrostatic pressure and raises the chances of leaks.
What to do instead: Clean your gutters at least twice a year and make sure downspouts direct water at least 5–10 feet away from your home.
3. Sloped Landscaping Toward the House
Your yard’s grading should direct water away from your home — not toward it. If the ground slopes toward your foundation, rainwater naturally flows in that direction and collects around basement walls.
What to do instead: Regrade the soil around your home so it slopes away at a minimum of six inches over the first ten feet.
4. Ignoring Sump Pump Maintenance
A sump pump is your first line of defense against basement flooding. If it’s clogged, malfunctioning, or undersized, water may back up into your basement during heavy rain.
What to do instead: Test your sump pump every few months and after storms. Consider adding a battery backup system so it works during power outages.
5. Failing to Address High Humidity
Even if you don’t see standing water, high humidity in the basement can cause condensation on walls, floors, and pipes. Over time, that moisture contributes to mold growth and structural damage.
What to do instead: Use a dehumidifier to keep basement humidity below 50% and insulate cold water pipes to reduce condensation.
6. Overlooking Window Wells and Covers
Basement windows and window wells are easy entry points for rainwater if they’re not properly sealed or protected. Leaves, dirt, and debris can also clog drains, causing water to pool and leak into your basement.
What to do instead: Install covers on window wells and keep them clean. Check seals around windows and repair any gaps.
7. Waiting Too Long to Call a Professional
A small leak might seem like a minor nuisance, but water problems rarely fix themselves. Delaying repairs can lead to costly foundation damage, mold growth, and more extensive water intrusion.
What to do instead: If you notice moisture, dampness, or leaks in your basement, schedule an inspection right away. A waterproofing specialist can diagnose the cause and recommend permanent solutions.
Protect Your Basement Before Problems Start
Many basement water issues are preventable with proper maintenance and attention. By avoiding these common mistakes, you can save yourself from expensive repairs and protect the value of your home.
If you’re already dealing with moisture or leaks, Jerry’s Waterproofing is here to help. Our team has decades of experience diagnosing and solving basement water problems throughout Nebraska and Iowa. Contact us today to schedule an inspection and keep your basement dry year-round.