(a) The accomplishment of emergency decrees of any duly appointed health officer of a county or municipality or of the state, acting to protect the public health;

(b) The conservation, repletion and research activities of the Commission on Marine Resources, the Mississippi Gulf Coast Research Laboratory, the Commission on Wildlife, Fisheries and Parks, and the Mississippi-Alabama Sea Grant Consortium when acting through the Mississippi Universities Marine Center;

(c) Hunting, erecting duck blinds, fishing, shellfishing and trapping when and where otherwise permitted by law;

(d) Swimming, hiking, boating or other recreation that causes no material harm to the flora and fauna of the wetlands;

(e) The exercise of riparian rights by the owner of the riparian rights, if the construction and maintenance of piers, boathouses and similar structures are constructed on pilings that permit a reasonably unobstructed ebb and flow of the tide. The riparian owner may reasonably alter the wetland at the end of his pier in order to allow docking of his vessels;

(f) The normal maintenance and repair of bulkheads, piers, roads and highways existing on the date of enactment of this chapter, and all interstate highways planned but not yet under construction; and financed in part by Federal Interstate Highway Trust Funds;

(g) Wetlands developed in the future by federal, state or county governments for the establishment of a superport or a pipeline buoy terminal for deep-draft, ocean-going vessels, including but not limited to, wetlands adjacent to Petit Bois Island and the Bayou Casotte Channel in Jackson County, Mississippi;

(h) The Biloxi Bridge and Park Commission, Biloxi Port Commission, Long Beach Port Commission, Pass Christian Port Commission, Pascagoula Port Commission, and any municipal or local port authorities;

(i) Wetlands used under the terms of the use permit granted by Chapter 395, Laws of 1954;

(j) Any activity affecting wetlands that is associated with or is necessary for the exploration, production or transportation of oil or gas when such activity is conducted under a current and valid permit granted by a duly constituted agency of the State of Mississippi;

(k) Activities of any mosquito control commission which is a political subdivision or agency of the State of Mississippi;

(l) The Fisherman’s Wharf in Biloxi and the Buccaneer State Park in Hancock County;

(m) Wetlands conveyed by the state for industrial development thereon pursuant to Section 211, Mississippi Constitution of 1890, and pursuant to Section 29-3-61, Mississippi Code of 1972;

(n) The activities of the Hancock County Port and Harbor Commission affecting wetlands within its jurisdiction;

(o) The activities of the Harrison County Development Commission affecting wetlands within its jurisdiction;

(p) The activities of the Jackson County Port Authority affecting wetlands within its jurisdiction;

(q) The activities of the Mississippi State Port at Gulfport affecting wetlands within its jurisdiction; and

(r) In the case of regulated activities which, in the judgment of the director or his delegate, after an on-site inspection, have no harmful impact on the environment and which make no substantial change in the wetlands, the director may issue a certificate of waiver, and no permit shall be required.