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The Delaware Sediment and Stormwater Regulations require an approved Sediment and Stormwater Management Plan from the department or a delegated agency for regulated land-disturbing activities.
Bonnie Arvay
Sediment and Stormwater Program
302-739-9921
Applicants will use either the Application for Detailed Plan Approval or an application for a standard Sediment and Stormwater Management Plan.
The Regulations allow DNREC to develop criteria for cases when a standardized Sediment and Stormwater Management Plan may satisfy the requirement in the place of a detailed plan. When a project meets the Standard Plan applicability criteria for the project type, that project has the option to comply with the conditions of the Standard Plan for the project type, in lieu of developing a detailed Sediment and Stormwater Management Plan.
The forms listed here are for projects under the approval authority of DNREC’s Sediment and Stormwater Program. To apply for standard plan approval for projects to be reviewed by a delegated agency, contact that agency for the appropriate form.
Application for Detailed Plan Approval
Standard Plan Applications
Residential Construction less than 1.0 acre disturbed
Residential Construction greater than or equal to 1.0 acre disturbed
Non-residential Construction less than 1.0 acre disturbed
Minor Linear Utility Disturbances
Stormwater Facility Maintenance
Minor Bridge and Culvert Construction
Sidewalk, Trail, or Other Linear Impervious Surfaces
Plan Review Checklist: Construction Site Stormwater Management Plan (CSSMP) for Standard Plans
Related Topics: drainage, drainage and stormwater, erosion, management plan, sediment, sediment and stormwater, stormwater, watershed stewardship