When water drains into the crawl space, it is important to make sure it drains out. If this water does not drain away, it is important to handle it manually. Water cannot be left in the crawl space as it will rapidly lead to the degradation of your home.
First, the water will become humidity, then moisture will cause the perfect environment for mold growth. Mold growth and the moisture will lead to attracting pests, pests getting into your home will also degrade your home’s structure. Now we have more than one battle to fight, mold is spreading from the crawl space into walls, bottom of the flooring, and possibly onto joists that directly support your home. Pests will move around too, and when they do, they bring more problems such as smell, breeding, and access to your home.
Letting moisture get into your crawl space is likely to allow for many more problems, so be wise to call for help if your crawl space has been flooded or has signs of moisture build up.