Use the last number of your address to know what day to water on.

Odd number.  Water ONLY on odd number days. (1,3,5,7, etc.)

Even Number. Water ONLY on even number days. (2,4,6,8,etc)

6-9a.m and 6-9p.m

Aurora

Batavia

Elburn

Geneva

Montgomery

North Aurora 

6-10a.m and 6-10p.m

Bolingbrook

Hinsdale

Joliet

Naperville

Plainfield

Shorewood

Darien - Watering Prohibited 11a.m - 7p.m

Elmhurst - Even # address Mon, Wed, Fri  8p.m - 8a.m 

               Odd # address Tues, Thurs, Sat 8p.m - 8a.m

Lisle - 5-10a.m and 5-10p.m

Oswego - 4-9a.m and 6-9p.m

St Charles - 12-9a.m and 6-10p.m

Wheaton - Watering prohibited 12-6p.m

Woodridge - Watering Prohibited 11a.m-4p.m

Yorkville - 5-9a.m and 9-12p.m

Hand Held watering allowed anytime for flowers, gardens, trees, shrubs, and washing cars.  Many of these cities require a Sod/Seed lawn watering permit which you will have to talk with your city public works department.