Maryland Hazardous Waste Storage regulations & environmental compliance analysis

Maryland Hazardous Waste Storage: What you need to know

Governing Law and Regulations

Hazardous waste storage facility rules: Code of Maryland Regulations (COMAR) 26.13.05 and COMAR 26.13.06 (interim status)

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Facility permit rules, including permit fees: COMAR 26.13.07

Container requirements: COMAR and COMAR (interim status)

Hazardous waste storage tank requirements: COMAR to and COMAR (interim status)

Surface impoundment requirements: COMAR and COMAR (interim status)

Containment systems for containers: COMAR, COMAR, and COMAR (interim status)

On-site storage rules for Maryland fully regulated generators (MD fully regulated generators): COMAR to

  • General accumulation: COMAR
  • Accumulation in containers: COMAR
  • Accumulation in tanks: COMAR
  • Labeling containers and tanks: COMAR

On-site storage rules for Maryland-defined small quantity generators (MDSQGs): COMAR to D

Satellite accumulation: COMAR

Regulatory Agency

Maryland Department of the Environment (MDE) Land Management Administration 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. Maryland follows the federal requirements for generators accumulating (storing) hazardous waste on-site without a permit through its adoption of the U.S. Environmental Protection Agency's (EPA) Hazardous Waste Generator Improvements Rule, effective in Maryland as of May 3, 2021. The state has several additional state requirements in connection with hazardous waste treatment, storage, ...

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