Region 9 performs Title V program evaluations of ten of the largest permitting authorities in the region. The purpose of the program evaluation is to identify good practices implemented by the state/local agency, areas needing improvement within the state/local program, and ways in which EPA can improve its own oversight role.

• Arizona DEQ
• Maricopa County
  Note regarding Maricopa County's Correction of Program Deficiencies
  At the end of the program evaluation of Maricopa County, Region 9 issued a Notice of Deficiency (NOD) to the County to ensure that the County’s Title V program meets regulatory requirements. The Notice of Deficiency to Maricopa County was published in the Federal Register with an effective date of May 17, 2005. On November 9, 2006, EPA announced that Maricopa County had corrected the deficiencies identified in the NOD, and EPA signed a Federal Register notice resolving the NOD. This notice was published in the Federal Register on November 20, 2006.
• Pima County
• Pinal County

• Bay Area AQMD
• Mojave Desert AQMD
• San Diego APCD
• San Joaquin Valley APCD
• South Coast AQMD  

Final Evaluation Report for Hawaii DOH

• Clark County
• Nevada BAPC