Governing Law and Regulations
Maryland Department of the Environment (MDE) Water Management Administration
U.S. Environmental Protection Agency (EPA) Region 3
See ADDRESSES & CONTACTS for addresses and telephone numbers.
See national section for basic information and federal regulations.
Comparison: State vs. Federal
• Rules. Maryland is authorized by the U.S. Environmental Protection Agency (EPA) to administer the federal pretreatment program. Maryland's pretreatment requirements are similar to the federal standards with additional enforcement measures. See the national section PRETREATMENT STANDARDS for more information on the federal requirements.
• Administration and enforcement. MDE's Water Management Administration is authorized to administer the pretreatment program requirements in Maryland.
Maryland's state pretreatment program applies to industrial users who discharge industrial waste, either directly or indirectly, into POTWs. The state's pretreatment rules are mandatory if:
- More than 5 million gallons per day are involved in the total design flow.
- Pollutants discharged by the user pass through or cause interference to POTWs.
As a tool to administer state and national pretreatment requirements, ...