The requirements of this chapter are deemed reasonable for the regulatory purposes for which it is enacted. Nothing contained herein shall be construed to assure or warrant that areas outside those identified as areas of special flood hazard or uses permitted within such areas will be free from flooding or flood damages. This chapter shall not create any liability on the part of the City of Sebastopol, any officer or employee thereof or the Federal Insurance Administration, for any damages that result from reliance on this chapter or any administrative decisions lawfully made hereunder.