Local & Climate
Flood Zones and Fill Rules Before a Patio in Madisonville
Adding a patio or raising a low yard in Madisonville? What St. Tammany flood zones, fill limits, and culvert rules can mean before work starts.
Written by Big Easy Paver Patios
Key Takeaways
- Before a patio goes in on a low Madisonville lot, look up your St. Tammany Parish flood zone by address. It tells you how careful the drainage and fill plan needs to be.
- Madisonville and Mandeville both take part in the National Flood Insurance Program, as does unincorporated St. Tammany Parish, and the program requires local floodplain rules.
- Bringing in fill to raise a yard is a bigger question than the pavers. Ask the town or the parish about fill limits before any dirt arrives.
- St. Tammany Parish’s Department of Engineering has written culvert requirements, including a 15-inch minimum size, and asks to hear from you before culvert or subsurface drainage work.
- Planning a patio in Madisonville? Call Big Easy Paver Patios at (504) 688-4244.
Does a St. Tammany Parish Flood Zone Change How You Build a Patio?
Quick Answer: It changes who you talk to before work starts and how much you should change the ground. According to FEMA’s Community Status Book, the Town of Madisonville participates in the National Flood Insurance Program, and so do the City of Mandeville and unincorporated St. Tammany Parish. The program works by requiring communities to adopt and enforce floodplain management regulations, as the City of Mandeville’s flood protection page explains. In a St. Tammany Parish flood zone, ask the floodplain office about any patio plan. Raising part of the yard with fill, or changing where water drains, usually raises the bigger que