Mesa Water's Water Issues Study Group (WISG) is a no-fee adult educational program for our customers and community interested in learning about important water issues. WISG features Mesa Water staff and other expert speakers, as well as a VIP tour of a local water facility. WISG is a four-month program, starting in February and ending in May. Meetings take place the third Wednesday of each month. For more information and to register, email event@MesaWater.org or call (949) 631-1201 or go to www.MesaWater.org/wisg