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USS Nimitz Aircraft Carrier: How Much Jet Fuel Was In the Water Sailors Drank?

USS Nimitz
PACIFIC OCEAN (July 18, 2012) The aircraft carrier USS Nimitz (CVN 68) is underway during the Great Green Fleet demonstration portion of the Rim of the Pacific (RIMPAC) 2012 exercise. Nimitz took on 200,000 gallons of biofuel in preparation for the Great Green Fleet demonstration during Rim of the Pacific (RIMPAC) 2012. Twenty-two nations, more than 40 ships and submarines, more than 200 aircraft and 25,000 personnel are participating in RIMPAC exercise from June 29 to Aug. 3, in and around the Hawaiian Islands. The world's largest international maritime exercise, RIMPAC provides a unique training opportunity that helps participants foster and sustain the cooperative relationships that are critical to ensuring the safety of sea lanes and security on the world's oceans. RIMPAC 2012 is the 23rd exercise in the series that began in 1971. (U.S. Navy photo by Mass Communication Specialist 2nd Class Eva-Marie Ramsaran/Released)

The US Navy acknowledged recently that the water the crew of the aircraft carrier USS Nimitz uses to bathe and drink was contaminated by what it described as “traces” of jet fuel, but a sailor on the ship said the situation was worse than the service first let on.

Aircraft Carrier

Image of U.S. Navy Nimitz-class Aircraft Carrier.

The crew learned about two weeks ago that the water supply had a problem. Specifically, the water had become a troublingly discolored fluid with a bad smell, a sailor said. Testing found what the Navy said were “detectable traces” of hydrocarbons, a chemical component of jet fuel.

In a recent interview with Insider, a sailor aboard the ship described a situation that appears to be far worse than what was initially indicated by the Navy.

“We were exposed to an unhealthy amount of JP-5,” the USS Nimitz sailor, whose identity is known to Insider but is being withheld due to concerns about the possibility of retribution, said this week. JP-5, or jet-propellant-5, is a kerosene-based fuel that is used in military aircraft and is a go-to for the Navy’s carrier air wings.

The sailor explained that although they and their shipmates drank and showered with the contaminated water, they were initially denied medical attention for issues that were believed to be related to their exposure to jet fuel.

After earlier Navy assurances there had been no ill effects, a spokesman for 3rd Fleet told Insider on Friday that five sailors have reported health issues that could be related to the contamination and that the ship’s leadership is monitoring the situation. In an overnight update, Insider was informed the number has since risen to 10.

Cmdr. Sean Robertson, a fleet spokesperson, told Insider on Friday that “if we receive any additional reports of potentially contaminated water, we will immediately investigate and take appropriate action to safeguard the crew.” The parents of the sailor Insider spoke with said at that time that the carrier’s medical team was still turning away some sailors.

USS Nimitz: Discovering jet fuel in the water

The sailor said they were first informed there was jet fuel in the water on the evening of September 16. A Navy spokesperson confirmed this date to Task & Purpose, one of the outlets that along with Navy Times first reported on the problem, and said that the crew “immediately took action.”

The sailor said that the ship’s commanding officer announced to the ship that night that jet fuel had been discovered in the water, stressing that the crew of roughly 3,000 should not drink it and that they should drink only distributed bottled water until they returned to port.

The sailor said that later that night, however, they were told by the ship’s executive officer and the commanding officer that the water was actually safe to drink and that there was nothing to worry about.

“It was not safe to drink,” the sailor said. “People believed the CO and XO, and people were showering in this stuff.”

On the morning of September 17, the aircraft carrier arrived at San Diego’s Naval Air Station North Island, and by noon, the carrier was connected to the local water supply. It wasn’t until that point that the Nimitz leadership reversed course again and said the water was actually unsafe to drink and shower in, the sailor said.

Throughout the night and through the morning, people were under the impression that the water was safe, despite indications that it wasn’t, the sailor said.

“Medical was refusing to see patients or acknowledge that anything going on with patients or different sailors had anything related to the JP-5,” the sailor said, adding that medical staff “refused” to note the JP-5 exposure in sailors’ records.

The USS Nimitz sailor said that one fellow service member was throwing up while another had a rash. In a separate interview with Insider, the sailor’s parents — whose identities are also known to Insider but are being withheld to protect the sailor — said they noticed their sailor had developed a dry cough after the exposure.

“Medical was telling us that it’ll just pass through you,” the sailor said. They said that after reviewing a safety data sheet, which has information about hazardous chemicals, and cross-referencing their jet fuel exposure, it was clear they should seek medical attention.

Testing the water

The sailor explained that when the ship’s water tanks were opened for inspection late on September 17, a “thick layer of JP-5 on top of the potable water” was found. The next step was trying to flush the jet fuel out of the system.

They said that starting the next day on September 18, crewmembers began conducting taste- and smell-tests of the ship’s water — a process that continued for at least the following 10 days and something the sailor described as a “big concern.”

Though Cmdr. Robertson did not say anything about taste testing, he did tell Insider that a “sniffer team” of USS Nimitz sailors has been tasked with checking out “hot spots,” areas with concerning odors.

The process described by the sailor involved filling and then dumping the water tanks and then sampling the water for jet fuel. In draining the tank, however, they frequently spotted the fuel leaving residue along the sides of the tank.

“So basically what we’re doing is draining the water out, filling it back up, and letting the JP-5 coat the sides of the tank,” the sailor said.

By September 21, the water on the carrier had been laboratory-tested twice.

A Navy official told Insider that an initial test of water samples from September 19 did not “detect measurable amounts of fuel hydrocarbons.” The official said more testing on water samples from the Nimitz’s potable water tanks on September 21, however, did reveal “detectable traces of hydrocarbons.” The Navy did not disclose the specific amount detected.

But the sailor rejected the notion that there were only “traces” of jet fuel, pointing to the “thick layer” of fuel they saw on top of the water in samples.

The aircraft carrier was supposed to depart San Diego late last week, but it ended up staying in port. The sailor speculated that this may have been because of media coverage and attention, which they said is what initially triggered the laboratory tests — not the crew’s suspicion that there was still jet fuel in the water.

To highlight the visible impact of the jet fuel contaminating the water, the sailor’s family provided Insider with a screenshot of a text exchange between the parents and the sailor.

Water on USS Nimitz

In the exchange is a photograph, shared with the sailor by a shipmate. The photo was taken shortly after it was first announced that there was jet fuel in the water, the sailor said, and appears to show a water sample — drawn from a water fountain — consisting of a thick, green, layer on the top and a murky, white layer on the bottom.

Working through the aftermath 

The sailor said that as of this week, some of their fellow Navy sailors were still drinking and showering with the contaminated water because “we don’t have much of another option.”

Written By

Jake Epstein is a Junior Breaking News Reporter on the Speed Desk, based in Boston.

3 Comments

3 Comments

  1. RM2 Frank

    October 2, 2022 at 3:50 pm

    Nothing new for the Navy. Around 1971 the USS Hermitage got water from a water barge. The barge had previously been used to deliver diesel fuel. After this the coffee had an oil slick on it. The jello was especially shiny. The showers smelled like a gas station. Eventually this water was depleted and we got some good water.

  2. James Kay

    October 2, 2022 at 7:39 pm

    We were drinking and showering in JP-5 in the 60’s and 70’s on the Intrepid, the Saratoga, and the Forrestal. This is not a new or unique problem and has been present for years, It was so bad on the Intrpid that we would drink cool aid just to mask the taste.

  3. Gary M

    October 2, 2022 at 9:57 pm

    In 1976 on the USS Ranger, we knew to smell the water before drinking it because it was mixed with jet fuel occasionally.

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