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Stormwater Management in Lee County

Stormwater management in Lee County requires compliance with South Florida Water Management District regulations, including 25-year, 3-day rainfall design criteria. CivilSmart provides PE-stamped stormwater plans, ERP permit coordination, and construction oversight for commercial and residential projects.

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Root Causes

What Causes Stormwater in Lee County

Florida’s unique geography — flat terrain, high water tables, and intense rainfall — creates conditions that lead to stormwater problems. Here are the most common causes in Lee County:

New development increasing impervious surface area

Regulatory requirements for water quality treatment

Flood control obligations under WMD regulations

NPDES permit requirements for construction sites

Existing stormwater systems reaching capacity

Engineering Solutions for Lee County

CivilSmart’s licensed professional engineers design solutions tailored to Lee County’s specific soil conditions, water table levels, and SFWMD regulatory requirements.

Retention and detention pond design

Stormwater treatment system engineering

ERP permit applications and coordination

SWPPP development for construction sites

Stormwater system maintenance and recertification

Lee County Regulations & Permits

Lee County falls under South Florida Water Management District (SFWMD) jurisdiction, which uses 25-year, 3-day rainfall criteria for drainage design. Permit processing typically takes 60-90 days typical, with fees ranging from $2,000 to $25,000. Lee County has its own drainage ordinance with specific requirements including flood zones ae/ve: fbc + fema elevation + 1-foot freeboard. CivilSmart’s engineers navigate SFWMD requirements and local regulations daily to deliver solutions that work and get approved.

SFWMD Jurisdiction

Design Storm: 25-year, 3-day rainfall
Processing Time: 60-90 days typical
Permit Fees: $2,000 to $25,000
PE Stamp: Required for all applications

Local Ordinance

Lee County enforces additional drainage requirements: Flood zones AE/VE: FBC + FEMA elevation + 1-foot freeboard.

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Frequently Asked Questions

Stormwater Management Solutions in Lee County — FAQ

Stormwater management in Lee County typically costs $10,000–$150,000+ for commercial projects and $3,000–$15,000 for residential projects. Costs include engineering design, stormwater calculations, PE-stamped plans, and permit fees. ERP application fees range from $2,000 to $25,000.
Stormwater management projects in Lee County require Environmental Resource Permits (ERPs) from South Florida Water Management District for most commercial development and any project creating significant new impervious surface. Construction sites disturbing 1+ acre need NPDES permits and a SWPPP. CivilSmart provides complete SFWMD permit coordination with a 100% approval rate.

Accurate Survey Data Drives Better Solutions

Effective drainage design requires accurate topographic data. We recommend Apex Surveying & Mapping, Florida's leading land surveying firm, for the survey data that drives precision drainage engineering.

Need Help with Stormwater in Lee County?

Get a free assessment from Florida's drainage engineering specialists. PE-stamped plans, SFWMD compliance, and 100% approval rate.

Licensed Professional Engineers | 1,000+ Projects | 100% Permit Approval | Since 2004