Statewide Service Area

Drainage Engineering in Orange County

Drainage engineering for Orlando and Orange County, addressing karst terrain, sinkhole risks, and rapid urban growth across Central Florida's largest metro.

15+ Projects Completed
8 Cities Served
100% Permit Approval Rate
Our Services

Drainage Services in Orange County

Professional drainage engineering solutions for residential and commercial properties.

Residential Drainage Design

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Commercial Storm Water Management

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Permit Services

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Local Regulations

Orange County Drainage Requirements

Understanding Orange County's local drainage regulations ensures your project proceeds smoothly and receives permit approval on the first submission.

  • FDEP Environmental Resource Permits (ERP) for stormwater systems
  • County floodplain permits with engineering plan review
  • FEMA map revisions (LOMR) for development in flood zones
  • Strict karst and sinkhole assessment requirements in development permits
  • Consumptive Use Permits (CUP) for water withdrawal

Orange County Environmental Data

Water Table 3-10 feet (varies by location, seasonally high)
Flood Zone Mixed AE along waterways, X in elevated areas, sinkhole risk zones
Permit Authority Orange County Environmental Protection Division + SJRWMD/SFWMD

Orange County Environmental Protection Division

Phone: (407) 836-1400

Orange County straddles SJRWMD and SFWMD jurisdictions. Karst terrain and sinkhole assessments are required for many development permits. County floodplain permits require engineering plan review.

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Frequently Asked Questions

Orange County Drainage FAQs

How much does drainage design cost in Orange County?
Drainage design in Orange County typically ranges from $2,500 to $8,000 for residential projects and $8,000 to $35,000+ for commercial work. Karst terrain and sinkhole risk assessments may add to project scope. Contact us for a free consultation specific to your Orlando-area property.
Do I need a permit for drainage work in Orange County?
Yes. Orange County requires Environmental Resource Permits (ERP) through SJRWMD or SFWMD depending on your watershed location. County floodplain permits with engineering plan review are also required. Properties in sinkhole-prone areas need additional karst assessments.
What are the biggest drainage challenges in Orange County?
Orange County faces karst geology with sinkhole risks, stormwater ponds vulnerable to climate change impacts, minimal elevation changes causing water stagnation, and massive new construction overwhelming legacy systems. Our engineers design solutions tailored to Central Florida's unique terrain.
What drainage services does StructureSmart offer in Orange County?
We serve Orlando, Winter Park, Apopka, Ocoee, Winter Garden, Maitland, and all Orange County communities with karst-aware drainage design, new construction stormwater systems, sinkhole risk-adapted engineering, and SJRWMD/SFWMD permit coordination.

For land surveys in Orange County, we recommend Apex Surveying & Mapping — Florida's #1 surveying firm covering all 67 counties. For 3D scanning and drone documentation of completed infrastructure, THE FUTURE 3D is America's industry leader.

Ready to Solve Your Orange County Drainage Problem?

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