Email Updates
Click here ​​to subscribe to an email newsletter providing updates regarding MDE's general discharge permits.

General Discharge Permit

General Discharge Permit For Discharges from the Application of Pesticides
Maryland General Permit No. 17-PE

Final Determination 

On February 14, 2020, the Department published notice of its final determination to reissue the General Permit for Discharges from the Application of Pesticides (Maryland General Permit No. 11-PE, NPDES No. MDG87) with the renewal designation of State Number 17-PE.  The 17-PE is effective as of April 1, 2020.  

Anyone proposing to use pesticides in or near waters of the State should become familiar with the requirements of the 17-PE permit and should specifically consult Table 1 in Part II of the permit to determine if submission of a Notice of Intent (NOI) is required.  Those who currently hold an active Toxic Materials Permit (TMP) may need to submit an NOI according to Table 2 in Part II of the permit prior to the expiration date listed on their TMP.

17-PE Permit Information

The 17-PE general permit became effective on April 1, 2020.



Supplemental Information

Contact Info

For more information regarding this permit, please contact the Industrial Stormwater Permits Division at (410) 537-3323.

Previous Permits (Outdated)

Additional Information and Related Links


Human Trafficking GET HELP

National Human Trafficking Hotline - 24/7 Confidential

1-888-373-7888 233733 More Information on human trafficking in Maryland

Customer Service Promise

The State of Maryland pledges to provide constituents, businesses, customers, and stakeholders with friendly and courteous, timely and responsive, accurate and consistent, accessible and convenient, and truthful and transparent services.

Take Our Survey

Help Stop Fraud in State Government

The Maryland General Assembly’s Office of Legislative Audits operates a toll-free fraud hotline to receive allegations of fraud and/or abuse of State government resources. Information reported to the hotline in the past has helped to eliminate certain fraudulent activities and protect State resources.

More Information