Delaware Stormwater Management
Delaware State Overview
The state of Delaware and the Delaware Department of Natural Resources and Environmental Control’s (DNREC) Sediment and Stormwater Management program operates within the Division of Watershed Stewardship’s Drainage and Stormwater Section. The idea of the Sediment and Stormwater Management program is to provide individuals with an ample approach to erosion and sediment control and stormwater management during and after construction.
The Sediment and Stormwater Management Program is comprised of the following responsibilities:
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Erosion and sediment control during construction activities.
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Stormwater compliance inspections during construction activities.
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Post-construction inspections of permanent (proprietary) stormwater facilities.
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Stormwater quantity and water quality control.
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Education and training relating to stormwater management.
As per the mandates of the Sediment and Stormwater Management Program, all persons engaged in land disturbing activities must adhere to the following:
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Unless exempted, no individual(s) shall engage in land disturbing activities without submitting a Sediment and Stormwater Management Plan to the appropriate plan approval authority and obtaining a permit to commence construction activity.
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Projects which do not alter stormwater runoff characteristics may be required to provide water quality enhancement even if the pre-development runoff characteristics are unchanged.
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Each land developer must certify, on the Sediment and Stormwater Management Plan submitted for approval, that all land clearing, construction, development, and drainage will be done according to the approved plan.
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All approved land disturbing activities must have at least one (1) individual who functions as a “Responsible Personnel,” or an individual who has taken the Contractor’s Certification Course (Blue Card) on-site at all times.
DISCLAIMER: This program has not yet been approved by the Sediment and Stormwater Program.
The state of Delaware and the Delaware Department of Natural Resources and Environmental Control’s (DNREC) Sediment and Stormwater Management program operates within the Division of Watershed Stewardship’s Drainage and Stormwater Section. The idea of the Sediment and Stormwater Management program is to provide individuals with an ample approach to erosion and sediment control and stormwater management during and after construction.
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DE DNREC Certified Construction Reviewer Application
DE DNREC NPDES Site Inspection Sheet
DE DNREC Standard Guidelines for Operation and Maintenance of Stormwater BMPs
DE DNREC Application for Standard Plan Approval- Residential Construction- Under 1 Acre
DE DNREC 5101 Sediment and Stormwater Regulations
DE DNREC Application for Standard Plan Approval- Residential Construction- 1 Acre or More
DE DNREC Construction Site Stormwater Management Review Report
DE DNREC Preliminary Sediment and Stormwater Management Plan Review Checklist
DE DNREC Approved Stormwater Treatment Structures
DE DNREC Application for Sediment and Stormwater Management Plan Approval
DE DNREC Application for Standard Plan Approval- Non-Residential Construction- Under 1 Acre
DE DNREC MS4 Report Form
DE DNREC New Castle County and Delaware DOT MS4 Permit Fact Sheet
DE DNREC Town of Middletown Interim Phase II MS4 Permit Fact Sheet
DE DNREC Timeline of Tasks Due for Draft NPDES Permit
DE DNREC New Castle County and Delaware DOT MS4 Permit
DE DNREC Town of Middletown Interim Phase II MS4 Permit
DE DNREC Industrial No Exposure Certification Form and Instructions
DE DNREC Applicable Best Management Practices
DE DNREC Industrial Notice of Termination (NOT)
DE DNREC Industrial Guidelines for No Exposure Exclusion
DE DNREC Water Priority Chemicals
DE DNREC Industrial Notice of Intent (NOI) Form and Instructions
DE DNREC Storm Water Plan Template
South Central
Suzanna Perea
Email Suzanna »
(214) 665-7217
US EPA, Region 6 / Water Quality Protection Division
Permits and Technical Section (6WQ-PP)1445 Ross Ave, Suite 1200
Dallas, TX, 75202-2733
Bonnie Arvay
Sediment and Stormwater Program
(302) 739-9921
Email Bonnie »
Agency Website »
89 Kings Hwy.
Dover, DE, 19901
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