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Maryland State Government Maryland Department of the Environment

General Discharge Permit
General Permit For Discharges of Stormwater Associated With Industrial Activity
Maryland General Permit No. 12-SW 

Important Announcement

  • The Department has issued a new general permit for discharges of stormwater associated with industrial activity, effective January 1, 2014.  This permit replaces Maryland General Permit No. 02-SW.   
  • A summary of the new permit requirements can be found here.
 
Permit 
 

Forms

Guidance Documents

Supplemental Information

Contact Info

For more information on this permit, contact the Industrial and General Permits Division at (410) 537-3323.

Additional Information and Related Links