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Nov 20, 2019, 5:05 pm

Maryland NPDES Site Locations

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The Old Line State

The NPDES module of the Compliance Information System (ICIS) tracks surface water permits issued under the Clean Water Act. Under NPDES, all facilities that discharge pollutants from any point source into waters of the United States are required to obtain a permit. The permit will likely contain limits on what can be discharged, impose monitoring and reporting requirements, and include other provisions to ensure that the discharge does not adversely affect water quality.

Please choose a Maryland county to view a list of NPDES sites. If a Maryland county is not listed there are no NPDES sites within the county.

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