Don't let the faucet run while you clean vegetables. You can serve the same purpose by putting a stopper in the sink and filling the sink with clean water. Keep a bottle of drinking water in the refrigerator. This ends the wasteful practice of running tap water to cool it off for drinking. Water during the cool part of the day.
Early morning is better than dusk since it helps prevent the growth of fungus.
Use your automatic clothes washer for full loads only. Your automatic washer uses 30 to 35 gallons of water in a cycle. That's a lot of water for three t-shirts. Plant drought resistant trees and plants. There are many beautiful trees and plants that thrive in Florida with far less watering than other species.