Oil spill governance in the United States debates is illustrated in the question "who is liable in the case of a vessel spill?" The cargo owner or the ship operator/ owner? Another significant issue was the interaction of domestic legislation and international measures. In 1980's, international agreements being considered would take over oil spills federal and state laws adding further complexity to party liability. However, after the "Exxon Valdez" incident, the short comings of the patchy framework for oil spill governance was apparent and growing pressure placed on lawmakers resulted in the establishment of the more comprehensive Oil Pollution Act of 1990. The Oil Pollution Act (1990):
Oil spill governance in the United States The OPA is the primary legislation that governs oil spills in the U.S. The establishment of the OPA substantiated the federal government's role in responding to oil spill cleanups. The OPA made amendments to the already existing CWA to provide 3 options to the delegated authorities through the president. The options include conducting immediate cleanup by federal authorities, to monitor the response of the responsible party or commandeer the cleanup activities of the responsible party. Hence giving the federal government the authority to determine the level of cleanup required. A second significant amendment the OPA makes to the CWA is