Apply for a permit, license or certification

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When you apply for a permit with us, you probably want to know how long the process will take. Each application is unique, but we set standard processing times to give you a general idea of what to expect.

The time it takes to review and decide on a permit application depends on many factors, including the type of permit, the complexity of the request, and whether public input is required. Each year, we calibrate estimated processing times to recent data.

For most types of permits, 90% of applications are processed within the standard time frame. Some may take less time, while others may take longer if they involve special circumstances.

While we strive to process applications as quickly as possible, certain factors may delay the process. These include:

  • Missing or incomplete information in the application

  • Required public review periods

  • Environmental or legal complexities that need additional evaluation

Roles and Responsibilities

  • The permit applicant-typically the owner or operator of a facility-is responsible for ensuring that all permit conditions are met. This includes compliance with environmental regulations, reporting requirements, and any special conditions outlined in the final permit.

  • A consultant may be hired to assist with completing the permit application and ensuring all technical requirements are met. However, the applicant remains accountable for the overall permit process, from submission to compliance with final permit conditions.

Key Milestones to Monitor

Applicants should closely track important steps in the permit process, including:

  • Submission and approval of a complete application

  • Providing supplemental information if requested, within the given timeline

  • Participation in public meetings, where applicable, to review the draft permit and provide information to the community

  • Review of public comments, which may influence final permit conditions

  • Understanding special conditions that may be included in the permit

  • Final permit issuance and renewal requirements, ensuring continued compliance and timely renewal when necessary

We encourage applicants to review the estimated processing times before applying. If you have questions or need assistance with your application, our staff is available to help guide you through the process.


*Available to submit application and pay fees online

Air and Radiation Administration​

General Permit to Construct *

30 days 

Air Quality Permit to Construct *

90 days - without expanded public review 

113 days (3.75 months)  – synthetic minor permits without expanded public review 

240 days (8 months) - with expanded public review 

New Source Review Approval 

13 months 

Prevention of Significant Air Quality Deterioration 

13 months 

Air Quality State Permit to Operate *

90 days 

Part 70 (Title V) Permit to Operate *

13.5 months for new permits 

338 days (11.26 months) for renewals 

Asbestos Contractor License 

30 days 

Asbestos Training Provider Approval 

60 days 

Incinerator Operator Certification 

7 days 

Incinerator Training Course Approval 

7 days 

Fleet Inspection Station License 

23 days 

Emissions Repair Facility   Certification 

23 days 

Master Certified Emissions Technician   Certificate 

23 days 

Radiation Machine Facility Registration 

45 days for dental and veterinary machines 

90 days  all other machines 

Certification of Machines Emitting   Radiation 

135 days 4.5 months 

Radioactive Materials License 

12 months for new and renewals 

90 days for amendments and terminations 

Private Inspector License For Inspecting X-Ray Machines 

45 days 

Reciprocal Recognition of Out-of-State Radioactive Material Licenses 

16 days 




Land and Materials Administration​

Refuse Disposal Permit *

85 days (2.8 months) for transfer stations 

110 days (3.7  months) for processing facilities 

180 days (6 months) for processing facilities & transfer stations 

360 days (12 months) for incinerators 

360 days (12 months) for land-clearing debris landfills 

312 days (10.4 months) for industrial landfills 

430 days (14.3 months) for rubble landfills 

190 days (6.3 months) for municipal landfills 

Groundwater Discharge Permit for Rubble Landfill *

90 days 

Sewage Sludge Utilization Permit *

100 days (3.3 months) – research project 

75 days (2.5 months) – transportation 

120 days (4 months) – utilization or disposal at a sanitary   landfill, energy generation, or incineration 

175 days (5.8 months) – marketing 

210 days (7 months) – land application 

530 days (18 months) – treatment, composting, distribution   facility, or storage 

125 days (4.2 months) – sewage sludge landfill 

500 days (16.6 months) – innovative projects 

General Discharge Permit for Animal Feeding Operations 

120 days (4 months) for new construction 

810 days 27 months for renewal 

Natural Wood Waste Recycling Individual Facility Permit *

9 months 

Natural Wood Waste Recycling Facility General Permit *

54 days 

Individual Composting Facility Permit 

220 days (7.3 months)

General Composting Facility Permit 

120 days (4 months)

Scrap Tire Hauler 

81 days (2.7 months)

Scrap Tire Collection Facilities (General and Secondary) 

68 days (2.3 months)

Scrap Tire Solid Waste Acceptance Facility 

104 days (3.5 months)

Scrap Tire TDF/Substitute Fuel Facility 

270 days (9 months)

Scrap Tire Primary Collection Facility 

360 days (12 months)

Scrap Tire Recyclers 

360 days (12 months)

Oil Operations Permit – Storage, Delivery, Transfer in Maryland (OPT) 

720 days (24 months)

Oil Operations Permit – Delivery Only (OPV) 

270 days (9 months)

Oil Operations Permit – Solidification of Oil Sludge,  Refuse, and/or Oil Mixed with Other Wastes (OPX) 

270 days (9 months)

Oil Operations Permit – Oil Contaminated Soil Storage and Treatment (OPS) 

405 days (13.5 months)

Oil Transfer License 

6 days 

General Permits for Discharge of Treated Groundwater from Oil Contaminated Groundwater Sources to Surface or Groundwaters of the State (OGR) *

30 days 

General Permits for Discharge of Stormwater and Hydrostatic Test Water from Oil Terminals to Surface  or Groundwaters of the State (OGT)* 

270 days (9 months)

Surface Water Discharge Permit for Oil Terminals (ODS) *

360 days (12 months)

Groundwater Discharge Permit for Oil Terminals (ODG) 

360 days (12 months)

Underground Storage Tank (UST) Technician, Remover, and Inspector Certifications 

79 days (2.6 months) 

Controlled Hazardous Substances Facility Permit 

686 days (23 months)

Hazardous Waste; EPA Identification Number 

30 days 

Controlled Hazardous Substances Hauler and Vehicle Certifications 

45 days 

Special Medical Waste (SMW) Hauler and Vehicle Certifications 

45 days 

Coal Mining Permit 

270 days (9 months) 

Surface Coal Mining Blaster Certification 

Immediately on passing exam 

Coal Mining Operator License 

23 days 

Non-Coal Mining Permit 

90 days (3 months)

Non-Coal Mining License 

11 days 

Oil and Gas Exploration and Production 

90 days (3 months)

Lead Paint Accreditations 

35 days 

Lead Paint Training Course Approvals

15 days 

Lead Paint Instructor Approvals 

15  days 

Voluntary Cleanup Program 

49 days to determine if application is accepted 

66 days to review action plan 



Water and Science Administration

General Discharge Permit Registrations (excluding   Construction Activities and Animal Feeding Operations) *

30 days for all general permits 

Individual Permit for Wastewater Discharges *

453 days (15 months) for new minor surface facilities 

453 days (15 months) for new surface major facilities 

941 days (31 months) for renewal surface discharge facilities 

738 (25 months) for new or renewal groundwater discharge facilities 

Water and Sewerage Construction Permit 

22 days 

Water Appropriation and Use Permit 

142 days (5 months) for under 10,000 gallons per day 

142 days (5 months) for over 10,000 gallons per day 

Well Construction Permit 

30 days 

Drinking Water Laboratory Certification 

40 days (1.3 months)

Nontidal Wetlands and Waterway Construction (Nontidal Wetlands and Waterways Permits) *

67 days (2.2 months) for minor projects 

152 days (5 months) for major projects 

50 days for stream restoration projects when no   public hearing is requested 

Tidal Wetland Licenses and Permits *

46 days for minor projects 

190 days (6.3 months) for major projects when no public hearing   is requested 

100 days  (3.3 months) for major projects when a public hearing   is requested 

Erosion/Sediment Control and Stormwater Management Plan Approvals 

9 months 

Erosion and Sediment Control - Responsible Personnel Certification - Online 

1 day 

Erosion and Sediment Control - Responsible Personnel Training Program Approval 

4 weeks 

General Permit for Stormwater Associated with Construction Activity* 

30 days 

Individual Permit for Stormwater Associated with Construction Activity 

365 days (12 months)

Municipal Separate Storm Sewer Permit 

325 days (12 months )

Dam Safety Permit (major project) 

296 days (10 months)

Dam Safety Permit (minor project) 

329 days (11 months)

Dam Safety (small pond) 

18 months 

Dam Safety Permit Exemption 

6 months 

Dam Safety Permit (removal) 

36 months 

Waterworks and Waste Systems Operator Certification 

142 days (4.7 months) for all licenses 

Well Driller License 

66 days (2.2 months) for new licenses 

30 days for renewals 

Marine Contractor’s License 

84 days (1.8 months) for new licenses  

 55 days for renewals 


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