Handle basement water seepage from exterior walls by inspecting and repairing cracks or gaps. Apply waterproof coatings to exterior walls and improve drainage systems around the foundation. Ensure proper grading to direct water away from the house.

Inspect and repair cracks or gaps, apply waterproof coatings, and improve drainage. Proper grading helps direct water away from the foundation. Effective management involves addressing both the source and prevention of seepage.