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A - 3
Historically, maintenance of the seawall by local interests has been limited to essential repair work after complete washouts of sections of Beach Boulevard during periods of intense coastal flooding. Following extensive damage to the seawall and adjoining roadway caused by Hurricane Betsy in September 1965, wall sections were repaired and a 6.1 mile stretch of protective sand beach was constructed along the more severely damaged sections from Clermont Harbor to Bay St. Louis. The sand beach was pumped into place early in 1967 and constructed to a 150-foot top width. Beach construction and seawall repairs were performed by the Federal Office of Emergency Preparedness.
Additional repairs to undermined sections of the seawall have since been realized indirectly as a result of repairs to Beach Boulevard by the Mississippi State Highway Department. Beach Boulevard is no longer a state highway, however, and its maintenance is now a County responsibility. In 1982, sections of the roadway were repaired by the County using Federal Coastal Energy Impact Program grant funds provided under the Coastal Zone Management Act of 1972.
Shoreline Erosion
The portion of the Hancock County shoreline	northeast	of Bayou Caddy	has historically
been subject to the forces of erosion. (See	Appendix	B.) Available surveys	indicate
that the magnitude of shoreline recession has been greatest near the mouth of Bayou Caddy. A total recession of about 750 feet occurred near the mouth of the Bayou during the 89-year period between 1852 and 1941. About a mile to the northeast, the shoreline eroded 250 feet in the 1852-1917 period and 300 feet in the 1917-1941 period for a total recession of 550 feet. Between two and three miles northeast of the Bayou, the 1852-1917 erosion was about 250 feet and the 1917-1941 erosion was about 100 feet, for a total recession of 350 feet. This	trend continued northerly	around	Bay St.
Louis to the mouth of the Jourdan River.
With minor exceptions, the existing seawall defines the 1941 shoreline. At many points in Bay St. Louis the seawall also coincides with the shoreline as it existed in 1917-1918. The position of the shoreline from the mouth of the Jourdan River to the mouth of Bayou Caddy was more or less fixed by construction of the seawall between 1915 and 1928, but prior to that period the shoreline was experiencing severe recession.