“Lake Superior never gives up her dead” is a famous phrase associated with the lake’s shipwreck history, but it is also widely known from “The Wreck of the Edmund Fitzgerald,” Gordon Lightfoot’s 1976 song about the sinking of the SS Edmund Fitzgerald in Lake Superior. The phrase captures the lake’s reputation for keeping ships and the people lost with them beneath its waters.
So, why don’t bodies float in Lake Superior? The answer involves several factors, including the lake’s extremely cold deep water, the slower decomposition and gas production that can affect buoyancy, and the great depth and underwater conditions where remains may settle.
The saying does not mean that bodies never decompose or that every person lost in Lake Superior remains preserved indefinitely. Rather, it reflects the unusual combination of environmental and physical conditions that can keep submerged remains from resurfacing and help explain why some have remained underwater for many years.
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Why Don’t Bodies Float in Lake Superior?
A body does not automatically float after entering Lake Superior. Whether it sinks or rises depends on its overall density compared with the surrounding water and on how that density changes after death. Initially, the human body can sink if its average density is greater than that of the water around it.
As decomposition progresses, microorganisms can produce gases within the body. The accumulation of these gases can increase the body’s volume and make it more buoyant. In warmer water, decomposition and gas production can progress more quickly, potentially allowing a submerged body to rise toward the surface after initially sinking.
Lake Superior’s deep water is exceptionally cold, which can slow the biological processes responsible for decomposition and gas production. If insufficient gas accumulates, the body may not develop enough additional buoyancy to rise. Instead, it can remain submerged and eventually settle on the lake floor.
Depth can also matter. Lake Superior reaches more than 1,300 feet at its deepest point, and remains that sink into deep water can be separated from the surface by a large column of cold water. If they settle beneath sediment, among rocks, or within a shipwreck, they may remain underwater rather than returning to the surface.
This is one of the main physical reasons behind the saying that Lake Superior “never gives up her dead.” The phrase does not mean that bodies are incapable of floating or that every body remains permanently at the bottom. Rather, under certain conditions, a body that sinks may not develop enough buoyancy during decomposition to return to the surface.
How Cold Water Affects Decomposition
Lake Superior’s deep water remains extremely cold, with temperatures in the deepest parts staying close to 40°F and only a few degrees above freezing. These conditions can slow the activity of many microorganisms that are responsible for breaking down organic tissues after death.
Decomposition still occurs in cold water, but the process can take considerably longer than it would in warmer conditions. Bacteria and other microorganisms continue to break down tissues, yet their activity is generally reduced as temperatures fall. This slows the chemical and biological processes involved in decomposition.
The effect is particularly important in the deeper parts of Lake Superior because the cold is not simply a seasonal condition near the surface. A body that sinks into deep water can remain in a consistently cold environment for an extended period, rather than moving into warmer conditions that would accelerate microbial activity.
Slower decomposition can also affect what happens to a body after it sinks. Because microbial activity is reduced, the production and accumulation of decomposition gases can also be delayed. This can limit the increase in buoyancy that might otherwise help a submerged body return toward the surface.
Cold water therefore does not stop decomposition or guarantee that remains will be preserved indefinitely. Instead, it can slow the process enough to alter the normal sequence of sinking, decomposition, gas formation, and resurfacing that can occur in warmer water.
Why Some Bodies Can Remain on the Lake Floor
Once a body sinks in Lake Superior, it can settle on the lake floor and remain there rather than returning to the surface. What happens next depends greatly on where the remains come to rest. Deep water, sediment, rocks, underwater structures, and shipwrecks can all affect whether the remains are disturbed or remain in place.
A body that settles beneath sediment may become partly covered as material accumulates around it. Similarly, remains that enter or become trapped within a shipwreck can be physically sheltered from currents and some forms of biological activity. These conditions can make the remains more difficult to disturb or move back toward shallower water.
Water movement can also influence what happens after a body reaches the bottom. Currents may move or disperse remains in some locations, while relatively sheltered areas can allow them to remain near where they initially settled. The lake’s enormous size and complex underwater terrain mean that conditions can vary considerably from one location to another.
Scavenging animals can contribute to the breakdown and dispersal of remains, but their access also depends on the location and surroundings. A body lying in an exposed area may experience different conditions from one protected by sediment or the structure of a wreck.
These factors help explain why some remains can stay on the bottom of Lake Superior for long periods. The lake does not physically prevent remains from ever moving, but its depth and underwater environments can create conditions in which submerged remains remain separated from the surface for many years.
What Happened to the Bodies Lost in Lake Superior?
Lake Superior has claimed lives in many shipwrecks and other accidents, but the condition and fate of people lost in the lake have not been the same in every case. Some remains have never been recovered, while others have been found years or even decades after a sinking. The circumstances depend on factors such as the location of the wreck, water depth, temperature, currents, and whether remains were sheltered inside the vessel or exposed on the lake floor.
The SS Edmund Fitzgerald, which sank during a severe storm on November 10, 1975, is the best-known example associated with the phrase “Lake Superior never gives up her dead.” All 29 crew members were lost when the ship went down, and no bodies were recovered. The wreck was discovered the following year in about 530 feet of water, but the crew remains have not been recovered.
Other Lake Superior shipwrecks provide a different picture. In some cases, human remains have been discovered during exploration of wreck sites many years after a vessel sank. When remains are located inside a wreck, the structure of the ship can provide some protection from currents and the surrounding environment, which can affect their condition and preservation.
One of the best-known examples is the SS Kamloops, which sank in Lake Superior in 1927. During later exploration of the wreck, human remains were found inside the vessel, including the remains of a crew member commonly identified as James McArthur. The remains became known as “Old Whitey” because of their unusually pale, waxy appearance, which has been associated with adipocere formation.
These cases illustrate why the phrase should not be taken literally. Lake Superior has not preserved every person lost in its waters in the same way, nor have all remains remained completely intact. Instead, the lake’s cold, deep environment and the protective conditions found around some wrecks can help explain why certain remains have stayed underwater and, in rare cases, remained recognizable long after a sinking.
Is “Lake Superior Never Gives Up Her Dead” Scientifically True?
The saying that “Lake Superior never gives up her dead” is not a scientific statement that bodies can never return to the surface or that every person lost in the lake remains preserved forever. It is a maritime expression that reflects the unusual conditions found in one of the world’s largest and deepest freshwater lakes.
There is a scientific basis for why the saying became associated with Lake Superior. Its deep water is exceptionally cold, which can slow decomposition and the production of gases that may increase a submerged body’s buoyancy. If a body does not develop enough additional buoyancy to rise, it can remain on the lake floor. Great depth, sediment, underwater structures, and shipwrecks can also keep remains separated from the surface.
However, these conditions do not stop decomposition completely. Remains continue to change over time, and their condition depends on where they settle and the environmental conditions surrounding them. Some may be dispersed or deteriorate substantially, while others can remain recognizable for much longer, particularly when protected by a wreck or other sheltered environment.
The phrase therefore captures a real characteristic of Lake Superior without describing a universal rule. The combination of cold water, great depth, limited resurfacing, and unusual preservation conditions helps explain why some remains lost in the lake have never been recovered and why the lake became associated with the enduring saying.