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National Pollutant Discharge Elimination System

This is a graphic of raindrops.
Runoff during storm events
carries pollution to local

Archived Annual Reports Index

The National Pollutant Discharge Elimination System (NPDES) program requires urban jurisdictions, such as Baltimore County, to have a discharge permit for their storm drain pipes. Baltimore County prepares an annual report of stormwater related programs and projects targeted to reduce water quality pollution.

Below is a list of reports that are available to view. Previous reports are available at the Environmental Protection and Sustainability (EPS) office. These reports are completed annually and have valuable information related to the monitoring and management of our watersheds.

Current Annual Report

View monitoring data and management programs in the most recent NPDES report.

Contact Information

Watershed Management and Monitoring
Phone: 410-887-5683
Fax: 410-887-4804

Revised January 13, 2017         


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