Statewide Service Area

Drainage Engineering in Pinellas County

Drainage engineering for St. Petersburg, Clearwater, and Pinellas County — Florida's most densely populated county with unique peninsula drainage constraints.

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Our Services

Drainage Services in Pinellas 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

Pinellas County Drainage Requirements

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

  • SWFWMD Environmental Resource Permits for stormwater systems
  • County stormwater utility requirements
  • Coastal construction control line setbacks
  • 25-year storm design standard for drainage systems
  • FEMA flood zone elevation and flood-proofing requirements

Pinellas County Environmental Data

Water Table 1-6 feet (very shallow throughout the peninsula)
Flood Zone Extensive VE along Gulf and bay, AE inland, limited X zones
Permit Authority Pinellas County Public Works + SWFWMD

Pinellas County Public Works

Phone: (727) 464-3511

Pinellas County coordinates with SWFWMD. Coastal construction control line setbacks apply. 25-year storm design standard governs drainage systems. Dense urban environment requires specialized stormwater approaches.

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Frequently Asked Questions

Pinellas County Drainage FAQs

Do I need a permit for drainage work in Pinellas County?
Yes. Pinellas County requires stormwater permits through Public Works plus SWFWMD Environmental Resource Permits. Coastal construction control line setbacks apply. The 25-year storm design standard governs drainage systems. Flood zone elevation and flood-proofing requirements apply broadly.
What are the drainage challenges in Pinellas County?
Pinellas County is Florida's most densely populated county. Peninsula geography limits drainage outfall options, aging stormwater systems predate modern standards, rising sea levels reduce gravity drainage effectiveness, and dense development drastically limits infiltration capacity.
What drainage services does StructureSmart offer in Pinellas County?
We serve St. Petersburg, Clearwater, Largo, Dunedin, Palm Harbor, Tarpon Springs, Pinellas Park, Safety Harbor, and all Pinellas County communities with dense urban drainage solutions, peninsula stormwater engineering, and SWFWMD permit coordination.

For land surveys in Pinellas 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 Pinellas County Drainage Problem?

Get a free assessment from a Licensed Professional Engineer who knows Pinellas County regulations.

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