basement water causes 13
https://gatewaywatermoldtips.clearhavendigest.com/posts/why-your-basement-floods-every-time-it-rains-insights-from-gateway-water-mold
Basement water usually comes from a few key places: heavy rain saturating the soil around your foundation, a cracked or clogged drain tile, or poor grading that sends runoff toward your house. Leaky windows, pipe condensation, and a failed sump pump can also dump moisture indoors, leading to damp air, mold, and musty smells. Catching the source early—whether it's a tiny crack or a broken downspout—saves you from bigger headaches like structural damage and high repair bills.