Arizona Surface Impoundments regulations & environmental compliance analysis

Arizona Surface Impoundments: What you need to know

Governing Law and Regulations

Surface impoundment requirements: Arizona Administrative Code R (AZ Admin. Code R) 18-8-264(A) and AZ Admin. Code R 18-8-265(A) (interim status)

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Construction quality assurance program: AZ Admin. Code R 18-8-264(A) and AZ Admin. Code R 18-8-265(A) (interim status)

Response action plan: AZ Admin. Code R 18-8-264(A) and AZ Admin. Code R 18-8-265(A) (interim status)

Regulatory Agency

Arizona Department of Environmental Quality (ADEQ) Waste Programs Division

See ADDRESSES & CONTACTS for addresses and telephone numbers.

See national section for basic information and federal regulations.

Comparison: State vs. Federal

Rules. Arizona has incorporated by reference the federal surface impoundment requirements, including the federal organic air emissions standards. Unlike under the federal rules, in Arizona, owners and operators of surface impoundments pay several state permit and facility fees.

Administration and enforcement. ADEQ's Waste Programs Division administers and enforces the surface impoundment requirements in Arizona.

State Requirements


Owners and operators of surface impoundments in Arizona pay a permit application fee as well as an annual registration fee. Facilities that use surface impoundments for disposal of hazardous waste pay a fee per ton of waste disposed.

See the state section TSDF PERMITS for more information regarding Arizona's permit and facility fees.

Read more about Surface Impoundments