Maryland Community Right to Know regulations & environmental compliance analysis

Maryland Community Right to Know: What you need to know

Governing Law and Regulations

Emergency Planning and Community Right-to-Know Act (EPCRA), 42 USC 11001 to 11050; regulations at 40 CFR 355 to 372

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Community Right-to-Know: Md. Code Ann., Environment (Envir.) 7-601 to 7-604, Md. Code Ann., Envir. 7-201, Md. Code Ann., Envir. 7-226, and Code of Maryland Regulations (COMAR) 26.26.01

Regulatory Agencies

Maryland Department of the Environment (MDE)

Local emergency planning committees (LEPCs)

Local fire departments

See national section for basic information and federal regulations.

Comparison: State vs. Federal

Rules. Maryland follows the following federal Emergency Planning and Community Right-to-Know Act (EPCRA) reporting requirements, with unique state-specific reporting procedures and additional state fee requirements:

–Tier II chemical inventory reporting (EPCRA Section 312); and

–Toxics Release Inventory (TRI) reporting (EPCRA Section 313).

For more information on the aforementioned EPCRA reporting requirements, see the national section COMMUNITY RIGHT TO KNOW.

Administration and enforcement. The Maryland Department of the Environment (MDE) administers and enforces the community right-to-know rules in Maryland.

State Requirements


All Tier II Chemical Inventory Reports are due March 1. Maryland requires all facilities to submit Tier II reports using the Maryland Online Tier Two Reporting System (MOTTRS), which fulfills the reporting obligation to the State Emergency Response Commission (SERC) and the Local Emergency Planning Committees (LEPCs) in all Maryland counties.

Local fire departments should be contacted individually for guidance on submission requirements.


Each Tier II reporting facility must pay a $100 application fee plus an ...

Read more about Community Right to Know

Maryland Community Right to Know Resources

Type Title
Forms Trade Secret Substantiation Form
See all Community Right to Know Resources