Cover Sheet
Project identification, revision history, and permit application references with contact information for owner and engineer.
A well-prepared Drainage Management Plan clarifies responsibilities, demonstrates compliance with local and state stormwater ordinances, reduces flood risk, and documents maintenance obligations for property owners and managers.
The Drainage Management Plan is prepared by engineers or qualified consultants and reviewed by municipal or county permitting staff prior to construction or redevelopment.
Clear assignment of roles in the plan avoids disputes and expedites permit approval and site acceptance.
The property owner or an authorized developer signs to accept maintenance obligations and any long-term access or easement agreements, and to confirm that site conditions and ownership information are accurate.
A licensed civil or drainage engineer signs and stamps design calculations and drawings to certify professional responsibility and compliance with applicable technical standards and permitting requirements.
Project identification, revision history, and permit application references with contact information for owner and engineer.
Scaled drawings showing contours, existing and proposed drainage features, inlets, pipes, outlets, and erosion control measures.
Runoff analyses, rainfall data, and design storm selection with method notes and key assumptions.
Pipe sizing, channel capacities, detention/infiltration sizing, and outlet control details.
Temporary and permanent measures for construction and post-construction phases.
Inspection schedule, responsible party, and procedures for sediment removal, repairs, and recordkeeping.
2–6 weeks typical for informal feedback
4–12 weeks depending on agency workload
Allow 2–4 additional weeks per review cycle
May be delayed until erosion controls are approved
Scheduled after as‑built submission and correction of deficiencies
Many agencies and stakeholders accept electronic plans and signed records when they meet format, authentication, and record retention standards.
Validate agency electronic filing rules and ensure eSignature and storage meet ESIGN and local recordkeeping requirements before submitting.
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