Consider alternatives to big, thirsty lawns. Check irrigation systems for leaks. Ponding or soil is constantly damp. Leaves turn yellow or a lighter shade of green. Young shoots are wilted.
Leaves are green yet brittle.
Algae and mushrooms are growing. Soil is dry. Older leaves turn yellow or bown and drop off. Leaves are wilted. Dripping faucets and whistling or hissing toilets waste water, even when no one is using them.