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Construction Site Stormwater Compliance: A Practical Guide
Stormwater compliance is a lifecycle responsibility — from pre-construction permitting through final stabilization and NOT filing — not a single checkbox at the start of a project.
ISA Certified Arborist (FL-9716A) · Florida Stormwater, Erosion & Sedimentation Control Inspector — FSESCI Qualified Inspector · GI-BMP Certified
Before Construction: Permitting and SWPPP Development
Compliance starts before the first shovel hits the ground — securing NPDES CGP coverage, developing a SWPPP that accurately reflects the planned BMPs, and confirming any additional local jurisdiction requirements that apply to the specific site.
During Construction: Installation, Inspection, and Maintenance
BMPs need to be installed to match the SWPPP, inspected on both a routine and post-rain-event schedule, and maintained as deficiencies are identified — with every step documented in a way that supports a regulatory review at any point in the project.
At Closeout: Final Stabilization and NOT Filing
Filing a Notice of Termination (NOT) under the NPDES CGP generally requires the site to have reached final stabilization — meaning incomplete or undocumented stabilization work can delay permit closeout even after construction itself is finished.
Throughout: Recordkeeping
A complete, organized inspection and maintenance record is often the difference between a routine regulatory review and a more difficult one — the work itself matters, but so does being able to demonstrate it was done.
Frequently Asked Questions
Can a project file its Notice of Termination before final stabilization?
Generally no — filing a Notice of Termination (NOT) under the NPDES CGP typically requires the site to have reached final stabilization, so incomplete or undocumented stabilization work can delay permit closeout even after construction is finished.
What's the most overlooked part of stormwater compliance?
Recordkeeping. A complete, organized inspection and maintenance record is often the difference between a routine regulatory review and a more difficult one — the work has to be documented, not just done.
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