Are you worried that your system is using more water than it should? Call us and we can assess the system and upgrade the nozzles to the most efficient nozzles available. Many systems are getting old and the distribution uniformity is poor which results over-watering. To keep a lawn green one must water to driest part, and often the most effective solution is swapping out nozzles for high efficiency product that use less water then conventional nozzles. There are many options available to manage weak zones or high pressure zones.