Maryland Environment - General regulations & environmental compliance analysis

Maryland Environment - General: What you need to know

Overview of Maryland's Environmental Rules


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In Maryland, the counterpart to the U.S. Environmental Protection Agency (EPA) is the Maryland Department of the Environment (MDE). MDE is responsible for protecting Maryland's land, water, and air from pollution. MDE has been delegated authority by EPA to administer and enforce regulatory programs for air emissions, surface wastewater effluent and stormwater discharges, groundwater discharges, and solid and hazardous waste management.


Maryland's air program is shaped by its state implementation plan (SIP), which sets forth basic strategies for implementation, maintenance, and enforcement of the National Ambient Air Quality Standards (NAAQS). As mandated by the Clean Air Act (CAA), each state must adopt and submit a SIP to EPA for approval. The Maryland SIP was officially submitted to EPA in January 1972 and is frequently amended to comply with the 1990 CAA amendments. SIP focuses on permitting, emissions standards, nonattainment areas, hazardous air pollutants, and numerous other air-related requirements.

Maryland's air program is implemented and enforced by MDE's Air and Radiation Management Administration.


Maryland has developed a water pollution permitting scheme that follows the federal regulations. However, Maryland is more stringent as it protects both surface water and groundwater. Maryland is fully authorized by EPA to administer the federal National Pollutant Discharge Elimination System (NPDES) permit program for industrial wastewater dischargers. The state's wastewater facilities must comply with the state's monitoring and recordkeeping requirements.

In Maryland, MDE's Water Management Administration is ...

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