Surface Water Discharge Permit (Industrial) Details

Surface Water Discharge Permit (Industrial)

General Info - Statewide Permit

The industrial surface water discharge permit is a combined state and federal permit under the National Pollutant Discharge Elimination System (NPDES). This permit is issued for industrial facilities that discharge to State surface waters. The permit is designed to meet federal effluent guidelines when applicable and also to ensure the discharge satisfies the State of Maryland water quality standards.

All industrial, commercial, or institutional facilities that discharge wastewater (or storm water from certain facilities) to surface waters of Maryland may need this permit. Alternatively, an industrial discharge to the municipal wastewater collection system may require a pretreatment permit. 

  • s

    Approval time

  • $50.00 - $20,000.00

    Application cost

Obtaining the Permit

Ready to get your permit? - Steps, Requirements, and Documents

  1. Submit a completed application to the Department. To request a form, call (410) 537-3323.

  2. Participate in public notice events as specified in Environment Article ยง1-601, et seq. The Department publishes notice of the application and provides an opportunity for an informational meeting.

Apply for the Permit

  • Online Application

    Complete the form

    Apply Now


Permit Issuer - Information

Who issues the permit?

Maryland Department of Environment

Contact Information

Legal Authority

What laws and regulations give Maryland Department of Environment the legal authority to issue this approval?