Whenever there is reasonable cause to believe that any person is violating or may violate the riparian buffer requirements of this Ordinance, the City or County as appropriate may, either before or after the institution of any other action or proceeding authorized by this section, institute an action for injunctive relief pursuant to paragraph 15.3.3, Injunctive Relief in Superior Court. The institution of such action shall not relieve any party to such proceedings from any penalties assessed or obligations otherwise imposed under this section.