Standing water in crawl space
moderate 2–6 h
Steps
- Pump out the standing water with a utility pump to the yard well away from the house, then find where it came in — a wet streak down a wall, a plumbing drip, or the whole floor damp after rain.
+5 more steps in the full guide
Stop and call a pro if
- water returns within days of pumping with dry weather — that is groundwater and needs a drainage system
Rules in the US: Many jurisdictions treat crawl-space encapsulation with a conditioned-space approach; check whether vents must stay open or be sealed under your code.