Granite Bay Water and Sewage Companies Utility 9935 Auburn Folsom Rd San Juan Water District is a water wholesaler in Granite Bay, CA, that serves more than 180,000 people in eastern Sacramento and south Placer counties. Granite Bay CA Water and Sewage Companies Utility San Juan Water District www.sjwd.org San Juan Water District SJWD San Juan Family of Water Agencies Wholesale Water Folsom Lake Granite Bay California Water Water Supply Water Conservation Water Distribution Water Needs Water Meters Water Metering Water Delivery Water Sa San Juan Water District SJWD San Juan Family of Water Agencies Wholesale Water Folsom Lake Granite Bay California Water Water Supply Water Conservation Water Distribution Water Needs Water Meters Water Metering Water Delivery Water Sa Business Reviews San Juan Water District Testimonials