City of Jacksonville recently issued the following announcement.
The City of Jacksonville Environmental Quality Division reminds Duval County residents that as they set their clocks forward one hour on Sunday, March 13th for Daylight Savings
Time, they may once again set lawn and landscape irrigation to no more than two days per week. Designed to conserve Jacksonville’s water supply and reduce the amount of
nutrients flowing into the St. Johns River, Chapter 366 of the City’s Ordinance Code limits watering to two days a week during Daylight Savings Time
Residential properties with an address that ends in an odd number or places without an address may water on Wednesday and Saturday and those addresses which end in an even number may water on Thursday and Sunday. Non-residential irrigation is only permitted on Tuesday and Friday.
Original source can be found here.