The answer to 'how often to sprinkler system' is that most sprinkler systems should be inspected and maintained at least once a year, typically in the spring before the peak watering season. This ensures the system is operating efficiently and any necessary repairs or adjustments can be made before heavy use.
Regularly checking for leaks, broken or clogged sprinkler heads, and proper coverage is important to maximize the system's performance and water efficiency. Homeowners should also adjust their watering schedules seasonally to match changes in weather and plant water needs.