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MDE has adopted new requirements to better protect the State’s water resources from impacts associated with construction.
The updated regulations will enhance erosion and sediment control practices across the State, improve the water quality of construction site runoff and help in Chesapeake Bay restoration efforts.
The changes are reflected in MDE’s updated handbook. The Department has also developed a model ordinance for local governments that may be adopted or modified as appropriate to implement the new soil and erosion control requirements.
Changes include:
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Establishing a maximum 20-acre grading unit for most construction sites. This will limit larger earth disturbances that are more likely to cause sediment pollution.
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Improving stabilization requirements to assist in reducing erosion and sediment generation and help establish grass in non-work areas.
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Requiring each county and municipality in Maryland to submit a draft erosion and sediment control ordinance to MDE for review within six months and adopt an approved ordinance within one year of the regulations' adopted date. (Municipalities may adopt the erosion and sediment control ordinance of their respective counties.)
The new, final regulation was published in the Maryland Register on January 27.
An update to the handbook has been supported by government entities, the regulatory community, trade groups, and members of the public for several years. The Department sought the input of these and other stakeholders to ensure that the new requirements would be protective yet practicable. Most of the new design specifications reflect proven practices that are already in use. Also, for improved efficiency, the handbook includes a new section describing a plan approval process integrated with Maryland’s Stormwater Management Program.
On February 29, MDE published the 2012 Model Erosion and Sediment Control Ordinance. This guidance is provided to assist county and municipal code development in addressing the new erosion and sediment control regulations. While all local development review and approval processes are unique, MDE will use this document as a template to ensure effective implementation of erosion and sediment ordinances.
Questions about the regulation, handbook or model ordinance should be directed to the Sediment, Stormwater and Dam Safety Program at 410-537-3543.
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