Who needs a SWPPP in Florida?
Any construction project that disturbs one acre or more — or is part of a larger common plan of development reaching one acre — needs a SWPPP under Florida permit 62-621.300(4)(a).
Florida runs its own delegated stormwater program. Operators obtain coverage from FDEP under Florida Construction Generic Permit (CGP) (62-621.300(4)(a)), not directly from the EPA. A small subdivision, a solar pad, and a road-widening project all clear the same one-acre line.
Florida adds requirements worth flagging early: Submit the NOI and fee at least 2 calendar days before construction begins ($400 for 5 or more acres; $250 for 1-5 acres); Initiate stabilization within 7 calendar days after construction activity has temporarily or permanently ceased; Send a copy of the NOI and acknowledgment to the MS4 operator within 7 calendar days when discharging to an MS4.
What the plan must contain
A Florida SWPPPis the site's compliance binder — the document an inspector opens first. It documents:
- 1Site & project descriptionTotal and disturbed acreage, soils, slopes, and the sequence of construction.
- 2Receiving waters & discharge pointsWhere stormwater leaves the site and the waterbodies it reaches.
- 3Erosion & sediment control BMPsSilt fence, stabilized entrances, inlet protection, and stabilization measures.
- 4Inspection schedule & recordsDated, signed inspection logs and the corrective actions taken.
- 5Operator certificationThe SWPPP is signed by the legally responsible party before work begins.
Required and conditional BMPs
| Best management practice | Category | Status |
|---|---|---|
| Perimeter silt fence / sediment barrier | Sediment control | Required |
| Stabilized construction entrance | Tracking control | Required |
| Storm drain inlet protection | Sediment control | Required |
| Soil stabilization (seeding, mulch, blankets) | Erosion control | Required |
| Concrete washout containment | Good housekeeping | Required |
| Sediment basin or trap | Sediment control | Conditional |
| Dewatering / turbidity controls | Pollution prevention | Conditional |
Filing your Notice of Intent
Submit the Notice of Intent and fee through the FDEP Business Portal (or by mail).
A Notice of Termination closes coverage once the site reaches final stabilization. Keeping the SWPPP and its inspection records on site is what keeps a project clear of stop-work orders.
Inspection requirements
Inspect at least once every 7 calendar days and within 24 hours of the end of a storm producing 0.5 inch of rain or more (by a qualified inspector, even if it rains on the weekend or a holiday) (FDEP Construction Generic Permit Part 6.1). Every inspection is dated and signed, and any failed control is corrected before the next storm.
| Trigger | Requirement |
|---|---|
| Routine | At least once every 7 calendar days and within 24 hours of the end of a storm producing 0.5 inch of rain or more (by a qualified inspector, even if it rains on the weekend or a holiday) |
How Florida differs from the federal permit
| Florida | Federal (EPA) | |
|---|---|---|
| Authority | FDEP | U.S. EPA |
| Permit | 62-621.300(4)(a) | EPA CGP |
| Disturbance threshold | 1 acre | 1 acre |
| Plan name | SWPPP | SWPPP |
Because Florida administers its own program, the federal EPA Construction General Permit does not apply directly here — the state permit governs. Sites inside a regulated municipal storm sewer system may carry additional local ordinance requirements on top of the state permit.
Frequently asked questions
Does Florida require an engineer to prepare the SWPPP?+–
No. Florida does not require a licensed PE stamp on a construction SWPPP statewide. The operator certifies the plan; engineer review is optional for complex sites.
What is the disturbance threshold in Florida?+–
One acre — including sites under an acre that are part of a larger common plan of development totaling one acre or more.
How often must inspections happen in Florida?+–
Inspect at least once every 7 calendar days and within 24 hours of the end of a storm producing 0.5 inch of rain or more (by a qualified inspector, even if it rains on the weekend or a holiday) (FDEP Construction Generic Permit Part 6.1).
Florida-ready in minutes
Siltworks fills in your site data automatically, applies the Florida requirements, and hands you an inspection-ready SWPPP — at 70–90% less than a consultant.
Requirements summarized from the publicly available Florida Construction Generic Permit (CGP) (62-621.300(4)(a)) for planning purposes. The operator must review and certify every SWPPP before use.