Standing water or puddles in soil may indicate inadequate drainage, which can cause numerous issues for your property and landscaping. It can lead to foundation problems, damage to plants and trees, and the proliferation of pests and diseases. If you notice any areas of your soil with persistent dampness, it's crucial to investigate the cause and take appropriate action to address it. **How to Detect Dampness in a Wall** One common symptom of excessive soil moisture is dampness in the walls of your home or other structures. If you observe any of the following signs, you may have a drainage problem: * Discolored or peeling paint * Efflorescence (white or crystalline deposits on the wall surface) * Musty or moldy odor * Soft or spongy drywall