Maryland Department of Environment licenses

68 Licenses

Water Appropriation and Use Permit

Distributed by Maryland Department of Environment

In order to conserve, protect, and use water resources of the State in the best interests of the people of Maryland, it is necessary to control the appropriation or use of surface and underground waters. This permit is required for any activity that withdraws water from the State's surface and/ or underground waters unless exempted below. 


Valid for up to 12 years Last revised : No Date
18 months Approval time
$0 Application cost
30-40 mins Average completion time

Wastewater Discharge Permit - From Concentrated Animal Feeding Operations (CAFOs) and Maryland Animal Feeding Operations (MAFOs)

Distributed by Maryland Department of Environment

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 have the potential to discharge pollutants, including but not limited to manure, poultry litter, or process wastewater from production areas. These discharges contain nutrients, which can enter the waters of the State causing algae blooms that deplete dissolved oxygen thereby reducing the beneficial uses of the water body. 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. (See COMAR 26.08.01.01B(11-1) 


Valid for up to 5 years Last revised : No Date
180 days Approval time
$120-$1,200 Application cost
20-30 mins Average completion time

Underground Storage Tank Technician, Remover, Or Inspector Certification

Distributed by Maryland Department of Environment

To protect ground water from leaks caused by improperly removed or installed underground storage tanks (USTs), any individual who removes, installs, upgrades, repairs or retrofits an UST, must be certified in the state of Maryland. To protect groundwater from leaks caused by USTs not being in compliance, any individual who inspects an UST must be certified. 


Valid for 2 years Last revised : No Date
40 days Approval time
$0 Application cost
15-20 mins Average completion time

Toxic Materials Permit

Distributed by Maryland Department of Environment

This permit is required for any homeowner, farmer, local government, or other person who wants to control nuisance aquatic life in ponds, ditches or waterways by the use of chemical products (e.g., mosquito control, algae removal).


Valid for up to 5 years Last revised : No Date
45 days Approval time
$0 Application cost
15-25 mins Average completion time

Tidal Wetland License

Distributed by Maryland Department of Environment

The goal of the tidal wetlands program is to manage tidal wetlands to provide reasonable use while furnishing essential resource protection in the State of Maryland. 


Valid for Up to 3 years Last revised : No Date
240 days Approval time
$500 Application cost
20-30 mins Average completion time

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