All ratepayers are welcome to attend ISD's Board Meetings, held on the first and third Tuesday of each month at 6:30 p.m. at the District Office located at 450 Walnut Meadows Drive in Oakley. Watch your mailbox or porch for informative bi-annual newsletters. Occasionally the district sends out postcards and brochures with important information for ratepayers. Ratepayers are also welcome to call the district office to ask questions at 925-625-2279 or email questions to us.