The answer to 'irrigation system drainage problems' is that common causes include clogged or damaged drainage pipes, improper sloping, and issues with the system's valves or backflow preventer. Symptoms can include standing water, soggy soil, and poor drainage. Solutions may involve clearing debris, adjusting the system's slope, or repairing/replacing damaged components.
If the issues are minor, such as a clogged pipe or adjusting the system's slope, homeowners may be able to address them with some DIY troubleshooting and basic tools. However, for more complex problems like a malfunctioning valve or backflow preventer, it's generally best to call in a professional irrigation technician who can properly diagnose and fix the issue.