Nassau County Stormwater Management & Drainage Engineering
Nassau County property owners face specific drainage and stormwater requirements governed by the St. Johns River Water Management District (SJRWMD). CivilSmart's Licensed Professional Engineers provide PE-stamped drainage plans, stormwater management designs, and full permit coordination for residential and commercial projects throughout Nassau County.
Our Engineering Services in Nassau County
Nassau County drainage projects require PE-stamped engineering plans that comply with SJRWMD Environmental Resource Permit (ERP) standards and local stormwater ordinances. Our Licensed Professional Engineers deliver drainage designs, stormwater management, and permit services throughout Nassau County.
Residential Drainage Design
PE-stamped drainage plans for Nassau County homes. Yard flooding, pool drainage, grading permits, and stormwater management for residential properties.
Learn MoreCommercial Stormwater
Commercial stormwater management for Nassau County developments. Site plans, detention/retention design, and SJRWMD ERP compliance.
Learn MorePermit Services
Full drainage permit management for Nassau County. SJRWMD ERP applications, and local permit processing.
Learn MoreNassau County Drainage Regulations
Governed by the St. Johns River Water Management District (SJRWMD)
Local Stormwater Ordinance
Nassau County enforces its own stormwater ordinance with requirements that may exceed SJRWMD minimums. Projects must comply with both local and district standards.
Roadway and Drainage Ordinance 99-17
Roadway and Drainage Ordinance 99-17 (Section 10.8) with specific elevation requirements
Onsite stormwater storage required for lots >20% impervious coverage
Onsite stormwater storage required for lots >20% impervious coverage
Floodplain Ordinance 2015-16 with 1 ft above BFE requirement in AE zones
Floodplain Ordinance 2015-16 with 1 ft above BFE requirement in AE zones
Design Storm
Two-pronged nutrient approach (post-2024)
Special Requirements
- Roadway and Drainage Ordinance 99-17 (Section 10.8) with specific elevation requirements
- Onsite stormwater storage required for lots >20% impervious coverage
- Floodplain Ordinance 2015-16 with 1 ft above BFE requirement in AE zones
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Nassau County Drainage Engineering FAQ
Do I need a drainage permit in Nassau County?
How much does drainage engineering cost in Nassau County?
Drainage Engineering Resources
5-Year Drainage Recertification in Palm Beach & Broward
Private drainage systems in Palm Beach and Broward counties must be PE-recertified every 5 years.
Retaining Wall Drainage: Why Walls Fail and How to Fix Them
Most retaining wall failures are drainage failures. Engineering solutions for Florida conditions.
7 Yard Drainage Solutions for Florida Homes
French drains, swales, catch basins, regrading, and more — engineered for Florida conditions.
French Drain Around Your Florida House
Engineering guide for French drains in Florida's high water table and sandy soil.
Ready to Solve Your Nassau County Drainage Problem?
Get a free quote from Florida's drainage engineering specialists. PE-stamped plans, full permit coordination, and 100% approval rate.
Licensed Professional Engineers | 1,000+ Projects | 100% Permit Approval | Since 2004