Automated Calculations
Nutrient loading and stormwater runoff calculations powered by Florida-specific regulatory requirements.
§ 62-330 · Harper methodology
Built for submittals in all five Florida Water Management DistrictsSFWMDSJRWMDSWFWMDNWFWMDSRWMDFDEP
Nutrient loading and stormwater runoff calculations powered by Florida-specific regulatory requirements.
§ 62-330 · Harper methodology
Automatic regulatory classification based on HUC12 watershed and receiving water bodies.
HUC12 + WBID lookup · OFW screening
Generate Technical Appendix documentation formatted for ERP submittals to FDEP and Water Management Districts.
Technical Appendix · FDEP format
Built by licensed Professional Engineers who have spent their careers navigating Florida's ERP permitting process, not software developers guessing at regulatory requirements. Every feature in SWMLabs reflects methodology that has been tested against real projects and real submittals.
No account needed. Results in under two minutes.