MDOT SHA TMDL Implementation Plan Public Notice
The Maryland State Highway Administration (SHA) places its draft Total Maximum Daily Load (TMDL) Implementation Plans on 30-day public notice and solicits comments, as required under the National Pollutant Discharge Elimination System (NPDES) Municipal Separate Storm Sewer System (MS4) Permit.
The United States Environmental Protection Agency approved the “Total Maximum Daily Load of Nitrogen and Phosphorous in the Tidal Baltimore Harbor Watershed in Anne Arundel, Baltimore, Carroll and Howard Counties and Baltimore City Maryland” on December 17, 2007. The SHA Office of Environmental Design (OED) is soliciting comments on its draft Implementation Plan to meet this wasteload allocation (WLA) as required under the NPDES MS4 Permit. A 30-day public comment period will take place from August 18, 2025 to September 17, 2025.
The draft Implementation Plan and its associated TMDL Implementation Progress and Planning (TIPP) worksheets can be downloaded by clicking the following links:
Comments should be submitted to SHA
on or before September 17, 2025 using one of the following methods:
Mail to:
Maryland Department of Transportation
State Highway Administration
Office of Environmental Design, C-303
707 N. Calvert Street
Baltimore, MD 21202
Email to:
wpd@mdot.maryland.gov
Note
Include your name and address. SHA will not respond individually. Material comments received during the comment period will be considered and the draft plan will be revised prior to submittal to the Maryland Department of the Environment (MDE).
On October 9 we will include a summary of comments received in the SHA MS4 annual report to MDE, which can be found on the
National Pollutant Discharge Elimination System (NPDES) Municipal Separate Storm Sewer System (MS4) Permit website.