It is important to annually check irrigation systems for several reasons. Having the irrigation systems checked will find broken elements, wore out nozzles, leaking valves, correct spray patterns, etc. We cannot waste water or use it freely anymore. Water restrictions will have a huge impact on our lawn & landscape for years to come, having the irrigation system running properly will help conserve our valuable water resources and keep our lawns and landscape intact. Run ROTORS 3 times longer than pop-up heads. Shady areas will require less watering than open sunny areas.