Maryland Landfills: What you need to know

Governing Law and Regulations

Hazardous waste landfill rules: Code of Maryland Regulations (COMAR) and COMAR (interim status)

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Solid (nonhazardous) waste landfill rules: COMAR 26.04.07

Hazardous waste landfill liner standards:

Location standard: COMAR and COMAR

Leak detection inspections: COMAR

Hazardous waste landfill disposal restrictions:

Free liquids/labpacks: COMAR

Regulatory Agency

Maryland Department of the Environment (MDE) Land Management Administration

See ADDRESSES & CONTACTS for addresses and telephone numbers.

See national section for basic information and federal regulations.

Comparison: State vs. Federal

Rules. At present, Maryland has no landfills that accept hazardous waste. However, the state's hazardous waste program retains hazardous waste landfill regulations that are more stringent than the federal requirements. The state's rules, discussed briefly here, cover: liners, inspections, disposal restrictions, and permits and fees.

Maryland has its own rules for solid (nonhazardous) waste landfills. In addition, the federal solid waste landfill requirements also apply in Maryland. See the state section SOLID WASTE for more information.

Administration and enforcement. MDE's Land Management Administration administers and enforces both the hazardous and solid (nonhazardous) waste landfill requirements in Maryland.

State Requirements


Liner Location


MDE has incorporated all the federal landfill liner requirements, but the state requires that the liner be located entirely above the natural seasonal high water table (COMAR The minimum ...

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State Requirements

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Maryland Landfills Resources

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