St. Lucie County Stormwater Management & Drainage Engineering

Yes, St. Lucie County requires drainage plans for development and redevelopment projects. St. Lucie County falls under the South Florida Water Management District (SFWMD), which administers Environmental Resource Permits (ERPs) for projects exceeding general permit thresholds. Professional engineering support is recommended for permit applications. CivilSmart handles the entire permitting process from design through approval.

Drainage engineering in St. Lucie County costs $3,000–$8,000 for standard residential properties and $5,000–$15,000+ for complex projects involving flood zones, retention/detention systems, or large lots. Commercial stormwater management starts at $10,000 and scales with project complexity. Every CivilSmart project begins with a free custom quote based on your specific property and SFWMD regulatory requirements.

St. Lucie County drainage projects must comply with SFWMD Environmental Resource Permit (ERP) requirements under Chapter 62-330, F.A.C. Additionally, St. Lucie County enforces its own local stormwater ordinance that may impose stricter requirements than state minimums. Key local requirements include: Stormwater Master Plan updates (flood-prone area mapping); LDC amendments Oct 2025. CivilSmart's engineers are experienced with all applicable St. Lucie County regulations.