General Discharge Permit

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

Important Announcement

The Department is proposing to modify the restoration requirements of the General Permit for Discharges of Stormwater Associated with Industrial Activities (Maryland General Permit No. 12-SW).  The Department will hold a public hearing concerning the tentative determination on Tuesday, July 24, 2018 at 1 p.m. in the Terra Conference Room at the Maryland Department of the Environment, 1800 Washington Blvd., Baltimore, MD 21230.  

Persons who wish to present infor​mation regarding the tentative determination may speak at the public hearing, submit written comments at the public hearing, or submit a written statement to the Department no later than 5:00 p.m. on Wednesday, September 19, 2018 (Note: This comment period has been extended after a request that was made pursuant to Section 1-606(d) of the Environment Article of the Maryland Annotated Code.)  All comments will be considering in making a final determination.

Copies of the public notice, draft modification, and fact sheet are available for view by clicking the links below:
Any questions or comments regarding this modification should be directed to Michael Richardson using the following contact information:
  • ​Mail:  Maryland Department of the Environment                                                                                                 Water and Science Administration                                                                                                             1800 Washington Blvd., Suite 455                                                                                                             Baltimore, MD 21230-1708
  • ​E-mail:  michael.richardson@maryland.gov
  • Phone:  (410) 537-3323 (between 8 a.m. and 5 p.m., Monday through Friday) 

Existing Permit (before pending modification)

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

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