Flood Insurance for Farmers Act of 2019 This bill modifies coverage requirements under the National Flood Insurance Program (NFIP). The bill allows certain local variances from compliance with elevation and flood-proofing requirements for agricultural structures located in special flood hazard zones. The chargeable premium rate for coverage of a structure given a variance shall be the same as would otherwise apply if the structure had been dry floodproofed. The bill allows for alternative maps and risk-based rates for NFIP coverage in certain areas where levees fail to meet specified minimum standards.