Colorado Surface Impoundments regulations & environmental compliance analysis

Colorado Surface Impoundments: What you need to know

Governing Law and Regulations

Hazardous waste surface impoundment rules: 6 Code of Colorado Regulations (CCR) 1007-3 Sections 264.220 to 264.232 and 6 CCR 1007-3 Sections 265.220 to 265.232 (interim status)

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Construction quality assurance program: 6 CCR Section 1007-3 264.19 and 6 CCR 1007-3 Section 265.19 (interim status)

Response action plan: 6 CCR 1007-3 Section 264.223 and 6 CCR 1007-3 Section 265.224 (interim status)

Organic air emissions standards for surface impoundments: 6 CCR 1007-3 Sections 264.1050 to 264.1090 and 6 CCR 1007-3 Sections 265.1050 to 265.1090 (interim status)

Interim status facilities:

Certification requirements: 6 CCR 1007-3 Section 265.221(g) and 6 CCR 1007-3 Section 265.229(b)

Regulatory Agency

Colorado Department of Public Health and Environment (CDPHE) Office of Environment Hazardous Materials and Waste Management Division Solid and Hazardous Waste Program

See ADDRESSES & CONTACTS for addresses and telephone numbers.

See national section for basic information and federal regulations.

Comparison: State vs. Federal

Rules. Colorado follows the federal rules for surface impoundments, including the organic air emissions standards. It has additional requirements for interim-status surface impoundments regarding certifications. In addition, owners and operators of hazardous waste treatment, storage, and disposal facilities (TSDFs) that use surface impoundments must comply with additional permit application requirements and pay several state permit and facility fees. See the state section TSDF PERMITS for more information.

Administration and enforcement. CDPHE's Hazardous Materials and Waste Management Division administers and enforces the surface impoundment requirements in Colorado.

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