Areas can water at any time if a handheld hose equipped with a positive shutoff nozzle, handheld bucket or watering can of 5 gallons or less, or drip irrigation system is used. ??? Residents may not wash vehicles except from 6 to 10 a.m. and 6 to 10 p.m. when using a bucket or handheld hose with a positive shutoff nozzle.