The answer to 'why is my fence drainage problems' is that poor fence drainage can be caused by a variety of issues, such as improper installation, clogged drainage systems, or changes in the landscape around the fence. Symptoms may include standing water, erosion, and damage to the fence posts or foundation.
Common causes include inadequate slope or grading around the fence, blocked or damaged drainage pipes, and excessive runoff from nearby areas. To fix the problem, you may need to regrade the soil, install new drainage systems, or make other modifications to improve water flow and prevent pooling.