Position: Executive Director
Email Address: d.hayes@rwaaz.org

Dean joined NDRW in 2023 as a Wastewater Technical Advisor and advanced to Training Specialist in 2025. He brings many years of experience working…

Position: Water Circuit Rider
Phone: 928-408-2790
Email Address: m.uresti-sims@rwaaz.org

Melissa has over 24 years of experience in the water industry. Melissa embarked on her career journey in 1999 at Arizona Western College, where she…

Position: Source Water Protection Specialist
Phone: 480-440-3830
Email Address: d.smith@rwaaz.org

Deianeir has a grade level 1 certification in Wastewater Treatment and Collections as well as a grade level 2 certification in Water Distribution and…

Position: USDA Decentralized Wastewater Specialist
Phone: 623-986-5809
Email Address: h.cornejo@rwaaz.org

Henry Cornejo is a certified wastewater treatment operator with over 20 years of experience. Originally from California, Henry started his career in…

Position: EPA Training Specialist
Phone: 928-451-2293
Email Address: a.waldschmidt@rwaaz.org 

Position: Wastewater Technichian
Email Address: a.valenzuela@rwaaz.org

Abnel has over 13 years of experience in the utility industry, and currently has ADEQ certification grade 1 in distribution and grade 2 in collections…

Position: Office Manager
Phone: 480-982-0301 
Email Address: c.garcia@rwaaz.org