The 2000 Maryland Stormwater Design Manual is the official guide for stormwater management prin ciples, methods, and practices in Maryland. The Design Manual was originally published …

3.0 Performance Criteria for Urban BMP Design This chapter outlines performance criteria for five groups of structural water quality stormwater BMPs that include ponds, wetlands, infiltration …

Urban Best Management Practice (BMP) Database and Codes . The BMP database below will tabulate a list of all BMPs within a jurisdiction. BMPs may be entered as a single structure or …

The Maryland Department of the Environment (MDE), in conjunction with the Maryland Department of Agriculture (MDA) and the Maryland Department of Natural Resources (DNR) …

1. Attachment A—BMP Urban Database: MDE’s BMP Urban Database fulfills CBP’s requirement to tie removal rates to visual inspections, and maintenance to BMP performance. Per MS4 …

The MDE MS4 Geodatabase schema was provided by MDE in the Geodatabase Design and User’s Guide (September 2024). This new schema was used when developing the BMP and …

The Maryland Department of the Environment (MDE) requires Montgomery County to document information for each stormwater best management practice (BMP) for the County’s Municipal …

MDE s WSA has served as Maryland s NPS BMP submission conduit since its inception in the 2010 CBPO annual progress submission. Because MDE was the lead on Maryland s …

Learn about stormwater best management practices (BMPs): Facts about Environmental Site Design (ESD) Practices. Alternative Surfaces; Micro-Bioretention and Similar Micro-Scale …

The data in the MDE MS4 Geodatabase is used to assist the Maryland Department of the Environment (MDE) in calculating the Total Maximum Daily Load (TMDL) reductions to the …