Contact information for the WIC office, El Rio Southwest Wic Clinic. This WIC clinic is located in Tucson Arizona. The WIC program in Arizona helps provide supplemental foods, health care referrals and nutrition education for low-income pregnant, breastfeeding and non-breastfeeding postpartum women. If you are planning to apply for WIC benefits at El Rio Southwest Wic Clinic, then you may need to provide proof of income, proof of AHCCCS, TANF, food stamps or Section 8 participation that meets the AZ WIC income guidelines and proof of residence or identity. To find out more contact the office below.