
The Oil Pollution Act (OPA) of 1990 was enacted by the US Congress and signed by President George H. W. Bush to address the shortcomings of previous legislation in dealing with oil spills. The act was a response to the Exxon Valdez oil spill in 1989, which released 11 million gallons of crude oil into the waters of Prince William Sound, affecting 1,300 miles of coastline and causing significant environmental damage. The OPA aimed to strengthen the Environmental Protection Agency's (EPA) ability to prevent and respond to catastrophic oil spills, establish comprehensive federal frameworks, and enhance enforcement capabilities. It also increased government oversight of maritime oil transportation and created a detailed regime to address vessel- and facility-caused oil pollution.
| Characteristics | Values |
|---|---|
| Year | 1990 |
| Name | Oil Pollution Act (OPA) |
| Reason | To prevent oil spills and develop cleanup procedures |
| Administered by | U.S. Coast Guard and U.S. Environmental Protection Agency (EPA) |
| Scope | Maritime oil transportation |
| Enforcement | Stricter standards for maritime transportation of oil, including new requirements for construction of vessels and training of personnel |
| Financial liability | Responsible parties are liable for cleanup costs and damages |
| Fund limit | $1 billion per spill incident |
| Exceptions | Discharges of oil authorized by a permit, discharges from a public vessel, or discharges from onshore facilities covered by the Trans-Alaska Pipeline Authorization Act |
| Civil penalties | $25,000 for each day of violation or $1,000 per barrel of oil discharged |
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What You'll Learn

The Exxon Valdez oil spill
On March 24, 1989, the Exxon Valdez oil tanker, owned by the Exxon Shipping Company, departed from the Port of Valdez in Alaska, en route to Long Beach, California, with 53 million gallons of crude oil on board. At midnight, the ship struck Bligh Reef, a well-known hazard in Alaska's Prince William Sound, resulting in a massive oil spill. This incident, known as the Exxon Valdez oil spill, is considered one of the largest environmental disasters in US history.
The response to the disaster was hampered by a lack of available equipment and personnel. Exxon faced heavy criticism for its slow response, and the clean-up process was further complicated by the challenging terrain of Prince William Sound, with its many rocky coves. Mechanical clean-up methods, such as the use of booms and skimmers, were employed, but the equipment often became clogged with thick oil and kelp. The main chemical agent used in the clean-up, 2-butoxyethanol, was later found to cause various health disorders among the clean-up crews.
The Oil Pollution Act of 1990 was a landmark piece of environmental legislation, aiming to prevent future spills and develop comprehensive cleanup procedures. It established a trust fund financed by a tax on oil to cover spill clean-up costs and required oil storage facilities and vessels to submit detailed response plans to the Federal government. The Act also authorized the Oil Spill Liability Trust Fund to pay for quick oil removal and uncompensated damages for each spill. These measures ensured a more effective and efficient response to oil spills and held responsible parties accountable for their actions.
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Increased government oversight
The Oil Pollution Act (OPA) of 1990 was passed by the US Congress and signed by President George H.W. Bush to increase government oversight of maritime oil transportation. The Act was a response to the Exxon Valdez oil spill in 1989, which resulted in 11 million gallons of Alaskan crude oil being spilled into the waters of Prince William Sound, affecting 1,300 miles of coastline and causing the deaths of hundreds of thousands of animals.
The OPA sought to establish a comprehensive federal framework to prevent future oil spills and develop cleanup procedures. It increased the government's oversight of maritime oil transportation by enforcing the removal of spilled oil and assigning liability for the cost of cleanup and damage. The Act also required specific operating procedures, such as the submission of plans to the Federal government detailing how oil storage facilities and vessels would respond to large discharges.
The OPA broadened the enforcement authority of the Federal government and increased penalties for regulatory non-compliance. It also preserved State authority to establish laws governing oil spill prevention and response, allowing States to impose additional liability, funding mechanisms, requirements for removal actions, and fines and penalties for responsible parties.
The Act also established a fund for damages, cleanup, and removal costs, with a limit of $1 billion per spill incident. This fund is financed by a tax on oil and is available to cover the cost of federal, tribal, state, and claimant oil spill removal actions, damage assessments, and unpaid liability and damages claims.
Overall, the OPA represented a significant increase in government oversight of maritime oil transportation, with the goal of preventing future oil spills and mitigating their environmental impact.
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Stricter standards for maritime transportation
The Oil Pollution Act (OPA) of 1990 was passed by the US Congress to address the shortcomings of previous legislation in dealing with oil spills. The Act strengthened the Environmental Protection Agency's (EPA) ability to prevent and respond to catastrophic oil spills, with a particular focus on stricter standards for maritime transportation.
The OPA established a comprehensive federal framework to prevent spills and develop effective cleanup procedures. It introduced new requirements for the construction of vessels and the training of personnel, enhancing safety measures and reducing the risk of spills. The Act also mandated contingency planning, requiring oil storage facilities and vessels to submit plans outlining their response to significant discharges. This included the development of Area Contingency Plans, coordinated by Area Committees composed of federal, state, and local government officials, to ensure a coordinated and efficient response to oil spills on a regional level.
The OPA significantly increased the government's oversight of maritime oil transportation, emphasising the liability of responsible parties for the financial and environmental consequences of oil spills. Firms found accountable for a destructive oil spill are subject to substantial cleanup costs, with the OPA authorising the Oil Spill Liability Trust Fund (OSLTF) to allocate up to $1 billion per spill incident for quick oil removal and uncompensated damages. The Act also broadened enforcement authority, increasing penalties for polluters and regulatory non-compliance to deter future incidents.
In addition to the financial implications, the OPA defined responsible parties and outlined specific operating procedures to be followed in the event of a spill. It established processes for measuring damages, specifying the types of damages for which violators are liable, such as natural resource damages, property damages, loss of subsistence use, and damage assessment costs. The Act also provided access to Federal funds for immediate removal, mitigation, and prevention of oil discharges, strengthening the overall response capabilities of federal, state, and local authorities.
The OPA's stricter standards for maritime transportation, including enhanced safety measures, contingency planning, increased oversight, and stringent liability regulations, represent a significant advancement in the prevention of oil spills and the protection of the environment. These measures not only reduce the likelihood of spills but also ensure a more effective and efficient response when incidents occur, minimising their impact on the environment and affected communities.
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Area Contingency Plans
The Oil Pollution Act (OPA) of 1990 was enacted by the US Congress to streamline and strengthen the Environmental Protection Agency's (EPA) ability to prevent and respond to oil spills. The OPA requires oil storage facilities and vessels to submit plans to the Federal government detailing how they will respond to large discharges. These plans include the development of Area Contingency Plans, which are designed to prepare for and plan oil spill response on a regional scale.
The National Response Center (NRC) serves as the central hub for all pollution incident reporting. It authorises the On-Scene Coordinator (OSC) to direct all federal, state, and private response activities at the site of a discharge. The OSC is responsible for coordinating with other federal agencies or special teams, such as the National Strike Force Coordination Center (NSFCC), to ensure a unified command structure. The OSC must also implement the Area Contingency Plan, along with the tank vessel and Facility Response Plans, in the event of a worst-case discharge.
Regional Response Teams and Area Committees, in consultation with EPA representatives, authorise the use of dispersants and other chemical or biological products listed in the NCP Product Schedule. These products are crucial for carrying out effective oil spill response operations. The OSC is authorised to initiate appropriate actions to mitigate or remove the release of hazardous substances, always considering factors affecting public health and the environment.
The OPA has significantly improved the government's oversight of maritime oil transportation and established a comprehensive framework for preventing and responding to oil spills. Area Contingency Plans play a vital role in this framework by providing region-specific strategies and ensuring a swift and coordinated response to oil spills, thereby minimising their environmental impact.
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The Oil Spill Liability Trust Fund
The Oil Pollution Act (OPA) of 1990 was passed as an amendment to the Clean Water Act of 1972, in response to the Exxon Valdez oil spill in 1989. The OPA was designed to establish a comprehensive federal framework to prevent future oil spills and develop cleanup procedures in the event of a spill.
The Act strengthened the Environmental Protection Agency's (EPA) ability to prevent and respond to oil spills, and increased the government's oversight of maritime oil transportation. It also established stricter standards for the maritime transportation of oil, including new requirements for vessel construction and personnel training, as well as enhanced federal response capabilities.
The OSLTF is designed to cover the costs of removal and damages when the responsible party is unknown or refuses to pay. Any claimant seeking reimbursement for cleanup costs must first request it from the responsible party. If the responsible party refuses, the claimant can then take legal action or seek reimbursement directly from the OSLTF. The OPA imposes liability, financial and otherwise, on any party found responsible for a destructive oil spill, with cleanup costs potentially unlimited.
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Frequently asked questions
The Oil Pollution Act (OPA) was passed in 1990 to streamline and strengthen the Environmental Protection Agency's (EPA) power to prevent oil spills.
The Exxon Valdez oil spill on March 24, 1989, resulted in 11 million gallons of Alaskan crude oil being spilled into the waters of Prince William Sound. This incident, which was the largest marine oil spill in recorded history at that time, highlighted the limitations of the US in responding to such spills. As a result, the Oil Pollution Act of 1990 was enacted to address these shortcomings and establish a comprehensive framework for preventing future spills and developing cleanup procedures.
The Oil Pollution Act increased government oversight of maritime oil transportation and established a detailed regime for dealing with oil pollution. It defined responsible parties and financial liability, implemented processes for measuring damages, and established a fund for damages, cleanup, and removal costs. The Act also broadened enforcement authority and increased penalties for polluters.
While the Oil Pollution Act has been instrumental in changing the oil production, transportation, and distribution industries, it may have certain limitations or gaps. One limitation is that it only covers certain categories of damages, including natural resource damages, damages to property, loss of subsistence use, loss of government revenues, and impaired earning capacity, among others. Additionally, the effectiveness of the Act may depend on factors such as enforcement, compliance, and the availability of resources for implementation.































