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Is there anything else I can do to improve my watering practices and reduce my use of water?

Definitely. In addition to having a good watering schedule and adjusting it as the Watering % Adjust would suggest, it is important to periodically (at least monthly) turn on each irrigation valve to see how it is working. Look for sprinklers that are not popping up properly, shrubbery or grass that is interfering with the watering pattern of a sprinkler, broken nozzles, clogged nozzles, sprinklers that do not pop up vertically, sprinklers that are spraying sidewalks and driveways, etc. If your water pressure is high, use pressure regulation devices to bring the sprinkler operating pressure down to the optimal pressure range specified by the manufacturer. Pressure that is too high causes the water exiting the sprinkler to turn to mist, which, can be blown away by even just a gentle breeze. If your water pressure is low check for the following: broken or leaking sprinkler heads, broken pipe, or too many sprinkler heads on one valve. Water in the early morning hours. Water when the air is still. Do not water in the afternoon, or much of your water will be lost to evaporation. Also, it is very important to look for runoff, especially if you have sloping landscape and clay soil. If runoff occurs before the appropriate watering time is completed, break the watering time into increments that do not exceed the time it takes before runoff appears. Then, reprogram the controller to run this station (the electric valve) however many times is necessary at the shorter run times to apply sufficient water, allowing enough time between run times to permit the water to soak into the soil. Avoiding runoff not only reduces your water use and improves the appearance of your landscape, but, equally important, it avoids runoff that carries pollutants into our storm drains and onto our beaches.