How Poor Yard Drainage Can Damage Your Foundation: 9 Warning Signs Poor yard drainage can put your foundation at serious risk. Learn the 9 warning signs of drainage-related foundation damage, including standing water, soil erosion, foundation cracks, efflorescence, sticking doors and windows, and crawl space moisture. Read this helpful guide to understand how yard grading and drainage problems affect your home and when professional foundation or drainage repair may be needed. Visit here: https://tristatewaterproofing.net/foundation-repair/how-poor-yard-drainage-damages-your-foundation-9-warning-signs/