NOAA's Response and Restoration Blog

An inside look at the science of cleaning up and fixing the mess of marine pollution

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How Do Oil Spills Get Cleaned up on Shore?

Beach cleanup crew members use a shovel to place gathered oil and affected sand into a bag on a beach.

Cleaning up oil from shorelines is a messy job. Beach cleanup crew members use a shovel to place gathered oil and affected sand into a bag as they clean up along a beach near Refugio State Beach, California, May 21, 2015. Cleanup teams used shovels and their hands to gather affected soil and ocean debris along oil impacted beaches north of Santa Barbara. (U.S. Coast Guard)

We often say that no two oil spills are alike, but one thing spills have in common is that cleaning oil off of shorelines is a messy business.

If a ship sinks or an oil pipeline ruptures, the primary goals of spill responders are to contain the oil source to stop any (more) oil from leaking and to prevent already spilled oil from spreading. However, weather conditions and ocean currents may overwhelm containment booms and other offshore oil spill response strategies. That means escaping oil may reach shorelines both near to and far from the initial oil spill location.

But when oil stains shorelines, what methods and equipment do responders use to remove it? And how is that different from cleaning up oil out at sea?

Here at NOAA, we have a library full of spill response manuals, technical reports, scientific journal articles, job aids, case histories, and guidance documents describing the methods used to clean up shorelines. And after every major oil spill there are advances in shoreline cleanup methods and equipment.

Here we present some commonly used shoreline cleanup options. Keep in mind that all response options, including what responders call “natural recovery” (letting oil break down naturally in the environment), have potential trade-offs. This means we have to take into consideration the impact of the cleanup methods themselves as we assess the overall environmental impacts of any action.

There are, of course, nuances in cleanup strategies at every oil spill that reflect the specific oil type, local environmental conditions, shoreline habitats, shore access, and a host of safety and logistical considerations. These variables will influence the particular cleanup strategy responders use at any one spill.

And at most oil spills, a combination of cleanup methods will be used (but not necessarily in the order shown here). Let’s take a look at each of these methods.

Responding to oil spills on shore: This graphic shows an overview of people using eight methods for cleaning up oil from shorelines. 1. Shoreling flushing/washing: Water hoses can rinse oil from the shoreline into water, where it can be more easily collected. 2. Booms: Long, floating, interconnected barriers are used to minimize the spread of spilled oil. 3. Vacuums: Industrial-sized vacuum trucks can suction oil from the shoreline or on the water surface. 4. Sorbents: Specialized absorbent materials act like a sponge to pick up oil but not water. 5. Shoreline cleaners and biodegradation agents: Chemical cleaners that act like saops may be used to remove oil, but require special permission. Nutrients may be added to help microbes break down oil. 6. Burning. Also referred to as

Responding to oil spills on shore: This is an overview of the various methods for cleaning up oil from shorelines, from flushing and vacuums to sorbents and heavy machinery. (NOAA)

1) Shoreline Flushing: This method uses water to remove or refloat stranded oil, which allows it to be more easily recovered as a slick on the water. One of the lessons learned from the 1989 Exxon Valdez oil spill was to be very careful about water pressure and temperature to avoid causing more harm to the shoreline.

2) Booms: These long, floating barriers are used to keep spilled oil off the beach, or to collect it after being flushed from the beach into the immediate waters.

3) Vacuums: Large industrial vacuums can suction oil off the beach or shoreline vegetation.

4) Sorbents: These specialized materials, which can take forms such as square pads or long booms, are engineered to absorb oil but not water.

5) Shoreline cleaners and bioremediation agents: There are a variety of chemical cleaners for oiled shorelines that usually require special approval for their use. Surface washing agents [PDF] are used to soften and lift oil off of surfaces or structures that have been oiled, such as beach rocks, docks, and riprap. Bioremediation agents, on the other hand, often take the form of fertilizers that help speed up natural microbial degradation processes. However, conventional cleanup methods (e.g., booms and sorbents) typically are used first to their fullest extent to remove the worst oiling, while these alternative measures usually play a secondary role (if any).

6) Burning: Responders sometimes will perform controlled burns, also referred to as “in situ burning,” of freshly spilled oil floating on the water’s surface or on marsh vegetation.

7) Manual recovery: This method involves using good old buckets, shovels, rakes, and other hand tools to remove oil from shorelines. It is very labor-intensive but is often a primary tool for a response when access for larger equipment is impractical, such as on remote beaches or those without road access.

8) Mechanical removal: When access is possible and won’t cause too much damage to the shoreline, responders may bring in heavy machinery, such as back hoes or front-end loaders, to scoop up and haul away oiled materials in bulk.

Two bobcat digging machines scoop oil from a beach.

Heavy machinery was brought in to remove oil from a beach in Puerto Rico in 2007. (NOAA)

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NOAA, Deepwater Horizon Trustees announce draft restoration plans for Gulf of Mexico following 2010 disaster

Bulldozers doing construction in a Gulf of Mexico marsh.

These efforts will restore wildlife and habitat in the Gulf by addressing the ecosystem injuries that resulted from the Deepwater Horizon incident. (NOAA)

NOAA and the other Deepwater Horizon Natural Resource Trustees today released 15-year comprehensive, integrated environmental ecosystem restoration plans for the Gulf of Mexico in response to the April 20, 2010 Deepwater Horizon oil rig explosion and spill.

Implementing the plan will cost up to $8.8 billion. The explosion killed 11 rig workers and the subsequent spill lasted 87 days and impacted both human and natural resources across the Gulf.

The Draft Deepwater Horizon Oil Spill Draft Programmatic Damage Assessment and Restoration Plan and Draft Programmatic Environmental Impact Statement allocates Natural Resource Damage Assessment  monies that are part of a comprehensive settlement agreement in principle  among BP, the U.S. Department of Justice on behalf of federal agencies, and the five affected Gulf States announced on July 2, 2015. The Department of Justice lodged today in U.S. District Court a consent decree as part of the more than $20 billion dollar settlement.

In the draft plan, the Trustees provide documentation detailing impacts from the Deepwater Horizon oil spill to:

  • wildlife, including fish, oysters, plankton, birds, sea turtles, and marine mammals across the Gulf
  • habitat, including marshes, beaches, floating seaweed habitats, water column, submerged aquatic vegetation, and ocean-bottom habitats
  • recreational activities including boating, fishing, and going to the beach

The Trustees determined that “overall, the ecological scope of impacts from the Deepwater Horizon spill was unprecedented, with injuries affecting a wide array of linked resources across the northern Gulf ecosystem.” As a result of the wide scope of impacts identified, the Trustees “have determined that the best method for addressing the injuries is a comprehensive, integrated, ecosystem restoration plan.”

Both the consent decree and the draft plan are available for 60 days of public comment. The Trustees will address public comment in adopting a final plan. For the consent decree, once public comment is taken into account the court will be asked to make it final.

Public comments on the draft plan will be accepted at eight public meetings to be held between October 19 and November 18 in each of the impacted states and in Washington, DC. Comments will also be accepted online and by mail sent to: U.S. Fish and Wildlife Service, P.O. Box 49567, Atlanta, GA 30345. The public comment period will end on December 4, 2015.

The Trustees are proposing to accept this settlement, which includes, among other components, an amount to address natural resource damages of $8.1 billion for restoration and up to $700 million for addressing unknown impacts or for adaptive management. These amounts include the $1 billion in early restoration funds which BP has already committed.

“NOAA scientists were on the scene from day one as the Deepwater spill and its impacts unfolded. NOAA and the Trustees have gathered thousands of samples and conducted millions of analyses to understand the impacts of this spill,” said Kathryn D. Sullivan, Ph.D., undersecretary of commerce for oceans and atmosphere and NOAA administrator. “The scientific assessment concluded that there was grave injury to a wide range of natural resources and loss of the benefits they provide. Restoring the environment and compensating for the lost use of those resources is best achieved by a broad-based ecosystem approach to restore this vitally important part of our nation’s environmental, cultural and economic heritage.”

People in boat and in marsh assessing oiling impacts.

The draft plan has an array of restoration types that address a broad range of impacts at both regional and local scales. It allocates funds to meet five restoration goals, and 13 restoration types designed to meet these goals. (NOAA)

NOAA led the development of the 1,400 page draft damage assessment and restoration plan, with accompanying environmental impact statement, in coordination with all of the natural resource Trustees. The draft plan is designed to provide a programmatic analysis of the type and magnitude of the natural resources injuries that have been identified through a Natural Resource Damage Assessment conducted as required by the Oil Pollution Act of 1990 and a programmatic restoration plan to address those injuries. Alternative approaches to restoration are evaluated in the plan under the Oil Pollution Act and the National Environmental Policy Act.

Specific projects are not identified in this plan, but will be proposed in future project-specific restoration proposals. The Trustees will ensure that the public is involved in their development through public notice of proposed restoration plans, opportunities for public meetings, and consideration of all comments received.

The draft plan has an array of restoration types that address a broad range of impacts at both regional and local scales. It allocates funds to meet five restoration goals, and 13 restoration types designed to meet these goals.

The five overarching goals of the proposed plan are to:

  • restore and conserve habitat
  • restore water quality
  • replenish and protect living coastal and marine resources
  • provide and enhance human use recreational activities
  • provide for long term monitoring, adaptive management, and administrative oversight of restoration efforts.

The 13 proposed restoration activities are:

  1. Restoration of wetlands, coastal, and nearshore habitats
  2. Habitat projects on federally managed lands
  3. Nutrient reduction
  4. Water quality
  5. Fish and water column invertebrates
  6. Sturgeon
  7. Submerged aquatic vegetation
  8. Oysters
  9. Sea turtles
  10. Marine mammals
  11. Birds
  12. Low-light and deep seafloor communities
  13. Provide and enhance recreational opportunities

Together, these efforts will restore wildlife and habitat in the Gulf by addressing the ecosystem injuries that resulted from the Deepwater Horizon incident.

Once the plan is finally approved and the settlement is finalized, NOAA will continue to work with all of the Trustees to plan, approve, and implement restoration projects. NOAA will bring scientific  expertise and focus on addressing remedies for living marine resources — including fish, sturgeon, marine mammals, and sea turtles — as well as coastal habitats and water quality. NOAA scientists developed numerous scientific papers for the NRDA case including documentation of impacts to bottlenose dolphins, pelagic fish, sea turtles, benthic habitat and deep water corals.

The Deepwater Horizon Oil Spill Draft Programmatic Damage Assessment and Restoration Plan and Draft Programmatic Environmental Impact Statement is available for public review and comment through December 4. It is posted at and will be available at public repositories throughout the Gulf and at the meetings listed at


Watch Divers Restore Coral Reefs Hit by a Huge Ship in Hawaii

Coral reefs are not to be confused with underwater highways. Unfortunately for the corals, however, navigating huge ships is a tricky business and sometimes reefs do end up on the wrong side of the “road.” (One reason why having up-to-date navigational charts is so important!)

This was the case for corals damaged off the Hawaiian island of Oahu in February of 2010 when the cargo ship M/V VogeTrader ran aground and was later removed from a coral reef in Kalaeloa/Barber’s Point Harbor.

NOAA’s Restoration Center and the State of Hawaii worked quickly to implement emergency restoration (using what look like laundry baskets), using special underwater scientific techniques and technologies, and ultimately restoring the reef after getting some help from vacuums, power washers, and even winter storms.

See divers transform these Hawaiian corals from crushed to flush with marine life:

In the end, these efforts are all part of how we work to help make the ocean a better place for corals and the many other types of marine life that rely on them.

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Restoration along Oregon’s Willamette River Opens up New Opportunities for Business and Wildlife

This is a post by the NOAA Restoration Center’s Lauren Senkyr.

Salmon, mink, bald eagles, and other wildlife should be lining up to claim a spot among the lush new habitat freshly built along Oregon’s Willamette River. There, a few miles downstream from the heart of Portland, construction at the Alder Creek Restoration Project is coming to a close. Which means the reshaped riverbanks and restored wetlands are open for their new inhabitants to move in.

This 52 acre project is the first habitat restoration effort for the Portland Harbor Superfund Site and has been implemented specifically to benefit fish and wildlife affected by years of industrial contamination in the harbor.

Salmon, lamprey, osprey, bald eagle, mink, and others will now enjoy sandy beaches, native vegetation, and large pieces of wood to perch on or hide underneath. These features replace the saw mill, parking lots, and other structures present on the property before it was purchased by Wildlands, Inc. Chinook salmon and osprey have already been seen seeking refuge and searching for food in the newly constructed habitat.

Wildlands is a business that intends to sell ecological “credits” from this restoration project. The credits that the Alder Creek project generates are available for purchase to resolve the liability of those who discharged oil or hazardous substances into Portland Harbor.

Newly planted wetland vegetation on the bank of a river.

Habitat restored at Alder Creek in Oregon in 2014 was planted with native vegetation in 2015. (Photo courtesy Wildlands)

Construction on the restoration site began in the summer of 2014. First, hundreds of thousands of yards of wood chips were removed from the site of a former saw mill and several buildings were demolished. A channel was excavated on the western portion of the site, which was continued through the eastern half of the site when construction resumed in 2015.

View a time lapse video of channel construction on the Alder Creek site:

Also this year, efforts involved removing invasive vegetation, planting native vegetation, and installing large wood structures along the channel to create ideal places for young fish to rest, feed, and hide from predators.

Rowed dirt field next to river channels.

View of newly created channels on the Alder Creek site connecting to Oregon’s Willamette River. Salmon and osprey have already been seen making themselves at home in the newly constructed habitat. (Photo courtesy of Wildlands)

After a final breach of the earthen dam dividing the restoration site this September, water now flows across the newly restored area. Once additional planting is completed this winter, the project will officially be “open for business,” although some entrepreneurial wildlife are already getting a head start.

Lauren SenkyrLauren Senkyr is a Habitat Restoration Specialist with NOAA’s Restoration Center.  Based out of Portland, Oregon, she works on restoration planning and community outreach for the Portland Harbor Superfund site as well as other habitat restoration efforts throughout the state of Oregon.

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Who Pays for Oil Spills?

This is a post by Kate Clark, Acting Chief of Staff with NOAA’s Office of Response and Restoration.

Oiled boom and marsh in Louisiana.

The Oil Pollution Act of 1990 states that those responsible for releasing oil and other hazardous materials pay for all costs associated with the cleanup operations, as well as the assessment of environmental impacts and necessary restoration. (U.S. Coast Guard)

After every major oil spill, one question comes up again and again: Who is going to pay for this mess?

While the American public and the environment pay the ultimate price (metaphorically speaking), the polluter most often foots the bill for cleanup, response, and restoration after oil spills.

In sum: You break it, you buy it. But our unspoiled coasts are priceless, and we would rather protect—or at least minimize impacts to—them as much as possible. Which means federal dollars are invested in ensuring top-notch experts are ready to act when oil spills do strike. (Stay tuned for more on that.)

So, Who Pays to Clean up an Oil Spill?

When an oil spill occurs, there are very clear rules about who pays for the direct response activities, the cost of assessing environmental damages, and implementing the necessary restoration.

The Oil Pollution Act of 1990, one legacy of the 1989 Exxon Valdez spill, spells out that those responsible for the pollution pay for all costs associated with the cleanup operations. However, similar to a car accident, insurance companies aren’t going to start writing checks without first looking at the circumstances.

But time is of the essence when oil hits the water, so oil companies and transporting vessels are required to have plans in place to respond immediately. In the rare instances when insurance companies investigate the details of legal (and hence, monetary) responsibility and hesitate to pay additional costs, the U.S. Coast Guard is able to set up an immediate source of funding for federal and state agencies and tribes who support the oil spill cleanup, which pays for their contributions to the response.

If the polluter is ultimately deemed liable for the spill, then they reimburse all expenses to the U.S. Coast Guard. Meaning the polluter pays for the cost of the oil spilled.

What About Restoration After Oil Spills?

Well, what about the environmental impacts left behind after the cleanup ends and everyone goes home? Does the American public pay to restore the animals and plants harmed by the spill?

Scientist leans over a boat to retrieve a dead Kemp's ridley sea turtle from the water.

It takes an average of four years to reach a settlement for environmental damages and then begin restoration after an oil spill. As a result, our job is not only to enforce pollution regulations but to ensure the right type and amount of restoration is achieved. (NOAA)

Nope. Again, the Oil Pollution Act states that parties that release hazardous materials and oil into the environment are responsible not only for the cost of cleaning up the release, but also for restoring any “injuries” (harm) to natural resources that result.

As the primary federal steward (“trustee”) for coastal animals and habitat, NOAA is responsible for ensuring the restoration of coastal resources in at least two specific cases.

First, for coastal resources harmed by releases of hazardous materials (e.g., oil and chemicals) and second, for national marine sanctuary resources harmed by physical impacts (e.g., when a ship grounds on coral reefs in a marine sanctuary).

But What if Polluters Don’t Have to Pay for Everything?

It is possible, though extremely rare, that a polluter can be found not to be liable (e.g., the pollution was caused by an act of war) or the polluter can reach its limit of liability under the law.

So, does the money for cleanup and restoration then come from American taxpayers?

Nope. In these cases, the costs are then covered by the Oil Spill Liability Trust Fund. This fund accrues from taxes on most domestically produced and imported oil. The oil companies, often those responsible for spills, are paying into this fund.

When a spill occurs, those involved in the response, cleanup, and damage assessment can access these funds if the polluter is unknown, unwilling, unable, or not liable for paying the spill’s full costs. For response activities, the fund will cover costs associated with preventing (in the case of a grounded ship that hasn’t released oil yet), minimizing, mitigating, or cleaning up an oil spill.

For natural resource damage assessment, the fund will cover costs associated with assessing an area’s natural resource damages, restoring the natural resources, and compensating the public for the lost use of the affected resources.

Of course, polluters aren’t always eager to accept liability, and accurately assessing environmental damages can take time. In fact, it takes an average of four years to reach a settlement for these damages and then begin restoration after an oil spill. As a result, our job is not only to enforce pollution regulations but to ensure the right type and amount of restoration is achieved.

That means, once again, dollars from polluters are essentially paying for oil spills.

So, the Public Doesn’t Pay for Anything?

Well, okay. The same as with your local fire department, public tax dollars are spent developing a highly trained group of professional emergency response and restoration experts. The more prepared we are to respond when an oil spill happens, the sooner a community can recover, environmentally and economically, from these unfortunate events.

When we aren’t providing direct support to an oil spill (or other marine pollution event), NOAA’s Office of Response and Restoration is hard at work training ourselves (and others) and developing tools and best practices for emergency response and assessment of impacts to natural resources.

Better Safe (and Prepared) Than Sorry

Oil spills can happen at any time of day and any time of year (including holidays). We have to be ready at any time to bring our scientific understanding of how oil behaves in the environment, where it might go, what it might impact, what can be done to address it, and what restoration may be needed.

And we think being prepared before a spill happens is a worthy investment.

Kate Clark is the Acting Chief of Staff for NOAA’s Office of Response and Restoration. For nearly 12 years she has responded to and conducted damage assessment for numerous environmental pollution events for NOAA’s Office of Response and Restoration. She has also managed NOAA’s Arctic policy portfolio and served as a senior analyst to the National Commission on the BP Deepwater Horizon Oil Spill and Offshore Drilling.

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In Wake of Japan’s 2011 Tsunami, Citizen Scientists Comb California Beaches Counting Debris

Man with clipboard and bag walking on beach.

A volunteer counts and collects the marine debris washed up at Drakes Beach in the Greater Farallones National Marine Sanctuary. (NOAA)

It all started more than five years ago on the other side of the Pacific Ocean. A devastating earthquake and tsunami rocked Japan in 2011, ultimately sweeping millions of tons of debris from the coastline into the ocean. But it wasn’t until June the following year, in 2012, that a 66-foot-long Japanese dock settled on the Oregon coast and reminded the world how the ocean connects us.

NOAA’s Kate Bimrose explained how this event and the resulting concern over other large or hazardous items of Japanese debris spurred the start of NOAA monitoring programs on beaches up and down the West Coast and Pacific islands. She coordinates the program that monitors marine debris in the Greater Farallones National Marine Sanctuary off the north-central California coast.

Thanks to funding from NOAA’s Marine Debris Program, the first surveys in this sanctuary near San Francisco took place in July 2012, a month after the Oregon dock made an appearance. No previous baseline data on debris existed for the shores along this California sanctuary. The only way anyone would know if Japan tsunami marine debris started arriving is by counting how much marine debris was already showing up there on a regular basis.

Training a Wave of Citizen Scientists

Graphic showing an example 100 meter stretch of beach with four 5 meter transects.

Following NOAA Marine Debris Program monitoring protocols, volunteers survey the same 100 meter (328 foot) stretch of beach each month, randomly choosing four sections to cover. Next, they record every piece of trash bigger than a bottle cap in those areas. (NOAA)

To find out how much trash and other manmade debris was washing up, Bimrose trained a small group of dedicated, volunteer “citizen scientists” to perform monthly surveys at four regular California beach sites. Three are located in Point Reyes National Seashore and one is in Año Nuevo State Park, but all are fed by the waters of the Greater Farallones National Marine Sanctuary.

Following NOAA Marine Debris Program monitoring protocols, once a month two volunteers head to the same 100 meter (328 foot) stretch of beach, using GPS coordinates to locate it. Next, they randomly pick four sections, each five meters (nearly 16.5 feet) long, to survey that day. This ensures they cover 20 percent of the area each time.

For those areas, the volunteers record every piece of trash they find that is at least the size of a bottle cap, or roughly an inch long. Having this size standard increases the reliability of the data being collected, providing a more accurate picture of what the ocean is bringing to each beach. NOAA is confident that volunteers are able to scan the sand and find the majority of items larger than an inch sitting on the surface of the beach.

Taking Things to the Next Level

Bottle with Asian characters on the cap.

While volunteers occasionally turn up debris bearing Asian characters, no items reported from this program have been confirmed from the 2011 Japan tsunami. (NOAA)

All of the data volunteers gather—from number of items to types of material found—gets entered into a national online database, which will allow NOAA to determine trends in where, what, and how much marine debris is showing up. Leaving the items behind reveals how debris concentrates and persists on shorelines, information which is lost when debris is hauled off the beach.

While gathering this information is useful, Bimrose admitted to one sticking point for her: none of the debris is cleaned up from these four beach locations.

“We want to be able to remove the debris,” she said. “It’s painful for all my volunteers to be out there and record it and not remove it.” However, the good news is that a June 2015 expansion to this monitoring program has added two new beach locations to the rotation, and after volunteers record the debris there, they pack it out. In addition, Bimrose takes out larger groups of one-time volunteers to those locations and trains them on site, creating a broader educational reach for the program.

Bimrose hopes to recruit local school groups as well as businesses to volunteer. Before each survey at the new locations, she introduces the sanctuary and the monitoring program, while passing around mason jars filled with the trash collected at past surveys to give volunteers an idea of what to expect.

These new monitoring sites receive more recreational use than the previous ones, and at least for the one at Ocean Beach, a heavily used shoreline in the heart of San Francisco, that means finding a lot more consumer trash left on the beach.

From clothes and cigarette butts to food wrappers and even toilet paper, the surveys at Ocean Beach are markedly different from those surveys further north at Drakes Beach, the other new site. There, volunteers count and remove mostly small, hard fragments of plastic that appear worn down by sun and sea, indicating the majority of the debris there is brought to shore by the waves, not beachgoers.

Survey Says

Long blue piece of boat insulation sitting on a table.

A volunteer surveying a beach in the Greater Farallones National Marine Sanctuary found this piece of insulation from an elite sailboat that broke apart in San Francisco Bay in 2012. The debris took two months to travel to a shoreline 60 miles north. (NOAA)

After four years of monitoring and roughly 150 surveys, what have they found so far on the north-central California coast? More than 5,000 debris items recorded in all, which, as Bimrose said, is “a good amount but not too crazy.”

Expanding to six survey sites from four only increases what they can learn about debris patterns in this area. As more data roll in, NOAA will able to outline the regional scope of the problem and see patterns between seasons, years, categories, and locations of debris accumulation. One thing that is likely not to change, however, is that plastic debris dominates. It constitutes about 80 percent of the trash found at all sites.

While volunteers occasionally turn up debris bearing Asian characters, no items reported from this program have been confirmed from the 2011 Japan tsunami. Through other partners associated with beach cleanups however, three pieces of Japan tsunami debris have been confirmed in California. The most recent was a large green pallet with Kanji lettering that landed on Mussel Beach just south of San Francisco. The discovery reinforces the importance of continuing to monitor debris along sanctuary beaches and shows us how items can persist in the ocean for years before sinking, breaking up, or landing on shore.

Another unusual example linking a piece of debris to the exact event that released it occurred in 2012. During a training run for the America’ Cup sailing race, an $8 million boat capsized and broke apart in San Francisco Bay on October 16, 2012. Two months later, one of Bimrose’s volunteers discovered a piece of insulation from that boat on a beach about 60 miles north.

Every month, Bimrose tags along with at least one pair of volunteers for their survey of one of the four “survey-only” beach sites. On one such occasion, one volunteer, an older gentleman, brought along his wife, who was puzzled by her husband’s constant chatter about “his” beach. According to Bimrose, a lot of the surveys could be considered rather clean or even monotonous. But even so, after a day walking and counting with him, the volunteer’s wife told her, “I totally get it, why he comes out here and rearranges his schedule to do this.”

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NOAA Is Supporting Oil Spill Response in Kentucky After Tugs Collide on Mississippi River

On the evening of September 2, 2015, two tug boats collided on the Mississippi River near Columbus, Kentucky, spilling slurry oil into the river.

Early reports, which later may be corrected, indicate an estimated 120,500 gallons of oil were released from a hole in the cargo tank of a barge being towed by the tug Dewey R during the collision. The spill and ensuing response closed the river between mile markers 938 and 922, south of Paducah, Kentucky, but the waterway was reopened to vessel traffic as of September 8.

At the request of the U.S. Coast Guard, NOAA’s Office of Response and Restoration is supporting the response and sending oil spill and data management experts to the scene of the spill. NOAA scientific support coordinators are providing a variety of information for the response, including river flow forecasts, chemistry of the spilled oil, a submerged oil assessment (because this heavier oil may sink), and other information to help determine where the spill will go and what can be done to protect our waterways and keep commerce moving.

The natural resource agencies also are beginning to assess potential impacts to natural resources, a first step to determining whether restoration is needed as a result of the spill.

Updates from NOAA about this oil spill may be available on IncidentNews.

What Is Slurry Oil?

Slurry oil is a residual oil resulting from the refining process and when spilled, most of it will sink or become suspended in the water column. A U.S. Coast Guard overflight the morning of September 3 revealed a floating sheen of oil four to five miles downstream of the discharge, which is not unexpected with this type of heavy oil.

Learn more about different types of oil and their behaviors when spilled and read about a 2005 slurry oil spill in the Gulf of Mexico.

How Is an Oil Spill in a River Different Than One in the Ocean?

From dams and density to muddy waters and vegetation, rivers offer a very different environment than the ocean during an oil spill.

Read more about the kinds of unique challenges we have to consider during an oil spill in a river.

More Information About Oil Spills

Find basic information related to oil spills, cleanup, impacts, and restoration, as well as NOAA’s role during and after oil spills.


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