The short answer
Start with the Gutters and Downspouts
Water pooling near the foundation is a leading cause of basement leaks. Check that gutters are clear of leaves and debris, and that downspouts direct water at least 6 to 10 feet away from the house. Use flexible extensions or underground drains to carry water further out.
If downspouts empty right next to the wall, water saturates the soil and pushes through cracks. Fixing this simple issue can stop many leaks without any interior work. Pay extra attention after snowmelt and spring rains, when the ground is already wet.
- Clean gutters twice a year, especially before winter
- Install downspout extensions or splash blocks
- Grade soil so it slopes away from the foundation
- Check that walkways and patios slope away too
- Add a rain barrel only if overflow is directed away
- Inspect downspout connections for leaks
Seal Cracks in the Foundation Walls and Floor
Small cracks in concrete or block walls let water seep in, especially when the soil outside is saturated. You can fill hairline cracks with hydraulic cement or a masonry sealant, but first clean the area and remove loose material. Follow the product directions carefully.
- Use hydraulic cement for active leaks
- Apply masonry waterproofing paint on damp walls
- Leave larger cracks to a professional
- Do not seal cracks while water is actively flowing
- Check the wall-floor joint for gaps
- Reapply sealant every few years as needed
Improve Drainage Around the Foundation
Proper drainage keeps water from building up against the foundation. Ensure the soil around your house slopes away at least 6 inches over 10 feet. Add topsoil or crushed stone to create that slope, and avoid planting flower beds that hold water against the wall.
A French drain or a perforated pipe buried near the footing can carry groundwater away from the house. This is a bigger project, but it often solves recurring seepage. If you already have a drain, check that the outlet is clear and not submerged.
- Install a French drain with a geotextile fabric
- Direct downspout water into a dry well
- Keep mulch and soil away from weep holes
- Test the slope with a hose after heavy rain
- Consider a sump pump for low-lying areas
- Maintain a gap between mulch and siding
Install a Sump Pump or Interior Drainage System
If water seeps through the floor or rises from below, a sump pump can remove it before it spreads. A contractor can cut a small hole in the basement floor, install a basin, and connect a pump that discharges outside. This is especially useful in high water table areas.
An interior drainage system involves a channel around the perimeter that collects water and sends it to the sump. This does not stop the water, but it manages it so the basement stays dry. For ongoing issues, local water damage pros can assess whether this is the right approach for your home.
- Choose a pump with a battery backup for power outages
- Test the pump regularly by pouring water into the pit
- Make sure the discharge line is routed away from the house
- Keep the pump accessible for maintenance
- Consider a check valve to prevent backflow
Know When to Call the Pros
Some water problems need more than DIY fixes. If water keeps returning after you improve drainage and seal cracks, the cause may be a high water table or a failing foundation drain. A professional can inspect the exterior, test the soil, and recommend excavation or waterproofing.
Act quickly if you see standing water, mold, or musty odors. The longer water sits, the more damage it does to drywall, flooring, and framing. If you need help cleaning up after a flood or removing wet materials, the pros can handle that too. For a full assessment of the source, start with a water damage inspection.
- Watch for efflorescence, a white chalky powder on walls
- Listen for running water sounds in the basement
- Check for damp spots after heavy rain
- Look for peeling paint or rust on metal items
- Notice musty smells that linger
- Document any water entry with photos
Talk to someone now
Call (801) 876-1119 any time, day or night, and describe what happened.
Call Now (801) 876-1119Frequently asked questions
Can I stop basement water by painting the walls?
Waterproofing paint can help with minor dampness, but it does not stop active leaks or hydrostatic pressure. It works well on clean, dry walls with hairline cracks. For real relief, fix the drainage outside first. If water keeps coming through, you need a more permanent solution.
How do I know if the water is coming from outside or a pipe?
Look for signs like rust on pipes, wet spots under sinks, or a pattern that follows plumbing lines. Water from outside often appears after rain and may show as a damp line along the floor or wall. If you are unsure, a plumber can check the pipes, and a water damage inspector can trace the source.
Should I worry about mold after a basement leak?
Yes, mold can grow within 24 to 48 hours on wet surfaces. If you see or smell mold, dry the area quickly and remove soaked materials like carpet and drywall. For large areas, call a mold professional to handle cleanup safely. See a doctor if you feel unwell from exposure.