The Air Quality General Permit to Construct is an expedited application process for a category of sources which are generally very similar in operation, equipment installation, and emissions characteristics. If a source of air pollution qualifies for a General Permit to Construct, the applicant completes a Request for Coverage application form and submits a set permit application fee. Upon verification by the Air Quality Permits Program, a confirmation letter is issued which instructs the applicant to refer to the general permit conditions that are already included in the General Permit to Construct application. Air Quality General Permits to Construct are currently available for the following categories: Emergency Generators,​ Vehicle Refinishing (Autobody), Small Gasoline Refueling Facilities, Medium Gasoline Refueling Facilities, Large Gasoline Refueling Facilities​, Charbroilers and Pit Barbecues, Small Fuel Burning Equipment, Medium Fuel Burning Equipment, Concrete Batch Plant, Off-Road Gasoline Refueling Facilities, Sheetfed Lithographic Printing, Groundwater Air Strippers and Soil Vapor Extraction, Perchlorethylene (PERC) Dry Cleaning Equipment

The Air Quality Standard Permit to Construct is required prior to the installation or operation of any process or equipment capable of creating air pollution that is not exempt per COMAR 26.11.02.10 and does not qualify for an Air Quality General Permit to Construct.

The Air Quality State Permit to Operate applies to certain facilities with the potential to significantly affect air quality, as specified in COMAR 26.11.02.13. This facility wide permit covers all air pollution emitting equipment and processes, is issued for a maximum five-year term, and is renewable.

The mission of the Maryland Water Infrastructure Financing Administration (MWIFA) is to provide low interest rate loans under the two Revolving Loan Fund Programs and grants under the State Bay Restoration Fund Program

The Maryland Dept. of the Environment Dam Safety Permits Division issues Dam Safety permits/approvals for new dams and small ponds and permits for alterations to existing dams and small ponds. The major goal of this permit is to ensure that dams are built and operated properly to protect public safety. Anyone who wishes to construct, reconstruct, repair, or alter a dam, reservoir, or similar waterway obstruction must obtain a permit prior to beginning any work (certain small ponds are exempt from this permit). Projects that impact the floodplain, wetlands, or waterways also require a separate Joint Permit Application.

An external permit to test the expanded catalog for user story 1631.

Federal Title V - Part 70 Operating Permit applies to major sources of air pollution and other significant sources of air pollution that are required by Title V of the federal Clean Air Act and Part 70 of the Code of Federal Regulations to obtain an initial Title V - Part 70 Operating Permit, amend or modify an existing Title V - Part 70 Operating Permit, or renew an existing Title V - Part 70 Operating Permit.

Animal Feeding Operation (AFO) means a feedlot or facility where: (a) Non-aquatic animals are confined, fed, and maintained for at least 45 days in any 12-month period; and (b) Crops, vegetation, forge growth, or post-harvest residues are not sustained in the normal growing season over any portion of the lot or facility. AFOs may be required to apply for the General Discharge (GD) Permit for AFO. The classification as a Concentrated Animal Feeding Operation (CAFO) or Maryland Feeding Operation (MAFO) is determined by a combination of factors, including the number and type of animals, and whether the operation will discharge to waters of the State of Maryland. Any chicken (other than laying hens) AFO with dry manure handling and between 75,000 and 99,999 square feet total house capacity is considered a MAFO unless the owner/operator submits to MDE a Certificate of Conformance. 

The General Permit for Mineral Mines, Concrete and Asphalt Plants covers a variety of industrial activities and discharges. Part I of the permit provides the specific types of discharges and industries. Part II contains the application process, and the following Parts of the permit contain the required controls, monitoring and reporting. To review the permit, you may find it at link. In signing the NOI and the DOI (Declaration of Intent), paying the fee and providing the required plans you are certifying you will abide by the requirements of that permit.

By this permit the Maryland Department of the Environment (the Department) authorizes the discharge of pollutants to Waters of this State in accordance with the effluent limitations and conditions set forth herein associated with construction activity. The Notice of Intent (NOI) for this General Permit is submitted electronically through the ePermits website link - https://egov.maryland.gov/mde/npdes/Account/Login, as are Notices of Termination and Transfers.