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National Pollution Discharge Elimination System Resources

Runoff from rain is regulated under the NPDES permit program.

Runoff from rain storms
carries pollution to local
streams.

Baltimore County, a Phase One jurisdiction, defined by a population greater than 100,000 and 11 industrial categories, is required to obtain five-year permits for stormwater discharge. Pertinent Federal, State and local resources include:

NPDES—MS4 and TMDL

General Discharge Permit

Maryland Department of the Environment reissued the General Permit for Storm Water Discharges from Industrial Activities; General Permit Number 12-SW, effective January 1, 2014.

Related Topics

Contact Information

Watershed Management and Monitoring
Phone: 410-887-5683
Fax: 410-887-4804
Email: watersheds@baltimorecountymd.gov

 
Revised May 5, 2017         

 

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