The short answer
Assess the Water Level First
Before you start, check how deep the water is and where it came from. A few puddles from a leaky pipe are manageable with towels and a wet-dry vacuum. A foot of water from a heavy storm is a different situation entirely.
Turn off power to the crawl space if there is any risk of electrical contact. If you have a gas meter or shutoff valve down there, know where it is before you wade in. Keep that shutoff valve location written down somewhere visible.
Use a Pump for Deep Water
For standing water deeper than two or three inches, a submersible pump is the right tool. Place it at the lowest point and run a discharge hose to a floor drain or outside, away from the foundation. This moves water out quickly and saves your back.
A pump works well when the water is relatively clean. If debris is clogging the pump intake, you may need to screen it or let the solids settle first. Pumping out the bulk of the water makes the remaining cleanup much easier with a vacuum or mop.
- Use a submersible pump for water deeper than a few inches
- Discharge water away from your home's foundation
- Screen the intake to keep debris from clogging the pump
- Pump out the bulk first, then finish with a vacuum
- Check the pump's power cord for damage before plugging it in
Vacuum and Mop the Remaining Water
Once the depth is down to a quarter inch or less, switch to a wet-dry vacuum. These machines are made for sucking up water and can handle the leftover puddles and damp spots. Work from the far corner toward your exit so you do not walk back through wet areas.
For the final pass, use a mop or absorbent cloths to pick up the last film of moisture. Wring them out into a bucket and dispose of the water outside. This step matters because even a thin layer of water can soak into wood and drywall and start the clock on mold growth.
Dry the Space Thoroughly
Removing the water is only half the job. You also need to dry out the air and any damp surfaces. Open any vents or hatches to let air circulate. Place a dehumidifier in the crawl space and run it until the humidity drops, usually for several days.
Use fans to keep air moving across wet wood and concrete. If you have a floor drain, make sure it is working so future rain does not pool again. Check the space every day for condensation or new water entry.
- Run a dehumidifier until the air feels dry
- Position fans to blow across damp surfaces
- Open vents and hatches to improve airflow
- Check daily for new puddles or condensation
- Inspect for cracks or gaps where water may enter again
Know When to Call the Pros
If the water came from sewage, a flooded creek, or has been sitting for more than a day or two, you are better off calling local water damage pros. They have industrial pumps, commercial-grade dehumidifiers, and the protective gear needed for contaminated water. Do not risk your health on a large or dirty cleanup.
The cost depends on the amount of water, how hard it is to reach, and how much drying time is needed. Policies vary, and your insurer decides what is covered. If you have any doubt, call a professional for a look before you start, especially if mold or electrical hazards are involved.
Water damage does not wait
Water keeps spreading into floors and walls, so it is worth acting early. Calls are answered 24/7.
Call Now (469) 698-4610Frequently asked questions
How long does it take to dry a crawl space after removing the water?
Drying usually takes several days with a dehumidifier and fans running continuously. The exact time depends on humidity levels, how much water soaked into wood and concrete, and how well the space is ventilated. Check daily until surfaces feel dry to the touch.
Can I use a regular vacuum to pick up water?
No, a standard household vacuum is not designed to handle water and can be damaged or become an electrical hazard. Use a wet-dry vacuum labeled for water pickup, or mop up shallow puddles by hand. Never risk electric shock for a faster cleanup.
What should I do if the water in my crawl space has sewage in it?
Stay out of the space and do not touch the water. Sewage can contain harmful bacteria and viruses. Call local water damage pros who have the proper protective equipment and cleaning agents. They can remove the water safely and sanitize the area afterward.