"At the beginning of October, Lake Superior is (1.6 inches) below the long-term average water level (1918 - 2020) and (12.2 inches) below the level of a year ago," according to a new release . Other principal rivers entering the north shore are the Pigeon, Kaministikwia, Pic, White, and Michipicoten. Over 300 streams and rivers empty into Lake Superior with the largest source being the Nipigon River in Ontario. [19] It is also a reflection of relatively small human population and small amount of agriculture in its watershed. Lovett was 25 when he. Walk to waterfalls. It called this because it is north of Lake Huron, which was discovered first by Brl. (218) 387-2240. Oct 13, 2020 Konnie LeMay The Lake. The land contours familiar today were carved by the advance and retreat of the ice sheet. and its a fascinating one. During most winters, the lake is 40 to 95 percent covered with ice, although it rarely completely freezes. For its broad reaching, solution-finding programs, for its willing Read more. The Objibways said that the lake was protected by Nanabijou, Spirit of the Deep Sea Water, according to the University of Wisconsin. As with many lakes, Lake Superior is home to many species of birds, including varieties of hawks, loons, owls and woodpeckers. lake superior death toll June 5, 2022 5:15 pm if the grievance committee concludes potentially unethical if the grievance committee concludes potentially unethical [38] The people of the Laurel complex (c. 500 BC to AD 500) developed seine net fishing, evidence being found at rivers around Superior such as the Pic and Michipicoten. Freezing of the lakes is monitored because it affects hydropower generation, commercial shipping, the fishing industry and more, according to the Office of Oceanic and Atmospheric Research. Newspapers quoted William Parry as saying he and two other Ironton sailors bobbed in the heaving lake for about 30 minutes until another steamer, the Charles Hebard, showed up. Officials have kept the find secret to prevent divers from disturbing the site before video and photo documentation is finished. February 09, 2023 3:42 PM James Bake, 31, fell from a cliff into Lake Superior while ice climbing on Feb. 7, according to the National Park Service. Though presently isolated, prehistorically the Caspian has been repeatedly connected to and then isolated from the Mediterranean via the Black Sea. Rip currents take swimmers unaware (if youre brave enough to put a toe in the icy water!) If you've got onesend an email to info@algomacountry.com and I'll add it to this list. They used snowshoes, birch bark canoes and conical or domed lodges. It has a mean surface elevation of 600 feet (180 metres) above sea level and a maximum depth of 1,332 feet (406 metres). Minnesota, Wisconsin, Michigan. The sanctuary plans to reveal the location in coming months and is considering placing a mooring buoy at the site. Lake Superior is among the world's fastest-warming freshwater bodies and has increasingly borne the force of what used to be considered once-in-a-lifetime storms. The coastline of Lake Superior is picturesque, particularly the north shore, which is indented by deep bays backed by high cliffs. Lake Superior Regional News ~ Northwestern and Northeastern Ontario. Because of its large size (relative to watershed area) and the porous "dam" at its outlet, long-term lake-level fluctuations are much lower than in any of the other Great Lakesgenerally less than 1 yard (1 metre). Much of the coastal area is sparsely settled. The Caspian Sea, while larger than Lake Superior in both surface area and volume, is brackish. Please click here to see any active alerts. This hard diabase protects the layers of sedimentary rock below, forming the flat-topped mesas in the Thunder Bay area. Species native to the lake include banded killifish, bloater, brook trout, burbot, cisco, lake sturgeon, lake trout, lake whitefish, longnose sucker, muskellunge, northern pike, pumpkinseed, rock bass, round whitefish, smallmouth bass, walleye, white sucker and yellow perch. Maximum Depth*: 1,332 ft. 3. Recognizing the unique qualities of this resource, the United States and Canada are working to restore and protect the Lake Superior Basin. There is ample bass-fishing both in the shallows and the lake's deep waters, while . Although not in Minnesota waters, the sinking of the SS Edmund Fitzgerald is commemorated at Split Rock Lighthouse as a symbol of the lives lost from all Great Lakes shipwrecks. Average Depth*: 483 ft. Large cargo vessels called lake freighters, as well as smaller ocean-going freighters, transport these commodities across Lake Superior. Ghost Stories Those lyrics got across so much of the mystery and danger found in the lake. Duluth The man was found in the waters off Bay Mills Township following a search by boat of the area; 'http':'https';if(!d.getElementById(id)){js=d.createElement(s);js.id=id;js.src=p+"://platform.twitter.com/widgets.js";fjs.parentNode.insertBefore(js,fjs);}}(document,"script","twitter-wjs"); Charity & Fundraisers Nearly 200 shipwrecks are believed to rest within or nearby the boundaries of the sanctuary, which includes the Great Lakes Maritime Heritage Center in Alpena and some 4,300 square miles of northwestern Lake Huron. Thanks for contacting us. French fur trading then flourished at intervals, but the entire region came under British control between 1763 and 1783. Moose Ifall the water were drained from North America, Lake Superior would be the lowest point of land on the continent. Full Circle Superior The Irontons captain and six sailors clambered into a lifeboat but it was dragged to the bottom before they could detach it from the ship. The Essayons, which was built in 1908, sank to the bottom of its slip on Lake Superior on March 24, 2009, according to media reports. But a wave overturned the craft, flinging everyone into the water. And I just shiver at the lyrics about how the lake sings in its ice-room mansion. Hebard crewmen tossed lines and pulled all to safety except Ironton mate Ed Boswick, who couldnt muster the strength to hold on. The deepest point in the lake is 405 metresor 1,333 feet. 6. Beginning with deaths that occurred in 1999, causes of death have been coded according to the International Classification of Diseases, Tenth Edition. The mountains steadily eroded, depositing layers of sediments that compacted and became limestone, dolomite, taconite and the shale at Kakabeka Falls. In addition, many fish species have been either intentionally or accidentally introduced to Lake Superior: Atlantic salmon, brown trout, carp, chinook salmon, coho salmon, freshwater drum, pink salmon, rainbow smelt, rainbow trout, round goby, ruffe, sea lamprey and white perch. By 1921, development in support of transportation and hydroelectric power resulted in gates, locks, power canals and other control structures completely spanning St. Marys rapids. Wolves Land Drainage Area: 49,300 sq. Vessels cruised to and from Lake Huron and Lake Michigan through the nearby Straits of Mackinac. A pasture in Ashland, Wisconsin. Kids & Family was founded in 1978 by a group of divers, teachers, and educators to commence exploration of historic shipwrecks in eastern Lake Superior . [48][49], Lake Superior has fewer dissolved nutrients relative to its water volume than the other Great Lakes and so is less productive in terms of fish populations and is an oligotrophic lake. Her life . After a big storm, Lake Superior always churns up stuff from the past and it ends up on the shores of the big lake. [38], The Anishinaabe people, which includes the Ojibwe or Chippewa, have inhabited the Lake Superior region for over five hundred years and were preceded by the Dakota, Fox, Menominee, Nipigon, Noquet and Gros Ventres. Researchers announced last Wednesday the discovery of the Nucleus, a surprisingly intact shipwreck found 40 miles off the coast of Michigan's Upper Peninsula. May 20, 2021; yats chipotle alexio recipe; workplace accident prevention strategies . More than 300 people who were. NASA warns of 3 skyscraper-sized asteroids headed toward Earth this week. [50], As for other Great Lakes fish, populations have also been affected by the accidental or intentional introduction of foreign species such as the sea lamprey and Eurasian ruffe. A total of 13 fatalities have been reported on Lewisville Lake between 2005 and 2008, including two in 2005, six in 2006, one in 2007 and four in 2008. Duluth-Superior, at the western end of Lake Superior, is the most inland point on the Saint Lawrence Seaway and the most inland port in the world. Lake Superior has a surface area of 31,700 square miles (82,103km2),[7] which is approximately the size of South Carolina or Austria. Lake Superior Shipwreck Map - Historically accurate shipwreck posters, of Lake Superior, 24 x 30 inches, shipped rolled in a tube. Rangers are currently working with the Keweenaw County Medical Examiner to determine a cause of death and to investigate the circumstances of the accident. mi. The area was settled by Finns which is one of my favorite cultural groups since Ive been to Finland and know a lot about it. [45] This is because of the unusually cold water, under 36F (2C) on average around 1970. [32] The water surface's slow reaction to temperature changes, seasonally ranging between 32 and 55F (013C) around 1970,[33] helps to moderate surrounding air temperatures in the summer (cooler with frequent sea breeze formations) and winter, and creates lake-effect snow in colder months. The robotic camera also showed the lifeboat tied to the ships stern. $21.95 USD Plus $15.00 USD Shipping Shipwreck Map Economy ~ Shipping Economy ~ Shipping Previous Next Health Health Previous Next Ontario Previous Next Minnesota Minnesota Previous Next Public Safety Crime Bob Berg Divers understand the risks involved in diving at such extreme depths, but accidents can happen. [47], More than 80 species of fish have been found in Lake Superior. The Great Lakes Circle Tour is a designated scenic road system connecting all of the Great Lakes and the St. Lawrence River.[31]. Talks & Readings, Search Events This warm season fog occurs when when moisture in the warm air condenses as it flows over the cold lake. Other well-known islands include Madeline Island in Wisconsin, Michipicoten Island in Ontario, and Grand Island (the location of the Grand Island National Recreation Area) in Michigan. Others ranged northward to Lake Superior, fetching iron ore for steel mills from mines in Minnesota and Michigans Upper Peninsula. During the Precambrian (between 4.5billion and 540million years ago) magma forcing its way to the surface created the intrusive granites of the Canadian Shield. in mind summer or winter--it is specta, Gary R Ilminen | You're Gonna Love Winter, I loved your tributes to both of these places. The Shield Archaic peoples arrived around 5000 BC; evidence of this culture can be found at the eastern and western ends of the Canadian shore. [citation needed]. The name Superior refers to its size and also designates the lake's position as the northernmost of all the Great Lakes. Conner Leo Strange, 18, pleaded guilty Wednesday in Chelan County Superior Court to first-degree arson and two counts of second-degree assault. They are known as the Plano, and they used stone-tipped spears to hunt caribou on the northwestern side of Lake Minong. Blog Post Among the scenic places on the lake are Apostle Islands National Lakeshore, Brockway Mountain Drive on the Keweenaw Peninsula, Isle Royale National Park, Porcupine Mountains Wilderness State Park, Pukaskwa National Park, Lake Superior Provincial Park, Grand Island National Recreation Area, Sleeping Giant (Ontario) and Pictured Rocks National Lakeshore. The average wind speeds have been increasing 5 percent each decade since 1980. New York, This feature makes the lake dimictic. The normal low-water mark is 0.33 feet (0.10m) below datum. Iron ore is exported from Taconite Harbor and Two Harbors (Minnesota) and from Marquette (Michigan). (Thanks to Jim I.). Updates? Clear water laps the shore at Pictured Rocks National Lakeshore. Frederick Stonehouse 3. All boat traffic that leaves the lake for southern ports must pass through the Soo Locks at Sault Sainte Marie. That story turned my whole novel around. But its not really things that were studying; its people, Gray said. Thunder Bay Books Lake Superior is the second largest lake in the world by surface area, and is the largest and deepest of the five Great Lakes. Most of the Superior basin is forested, with little agriculture because of a cool climate and poor soils. If trends continue, Lake Superior, which freezes over completely once every 20 years, could routinely be ice-free by 2040[27] although more current data through 2021 does not support this trend. Park rangers responded to the incident after receiving a distress call on marine band radio from the charter company vessel Lake Superior Diver. Subsequently, iron was extracted from many parts of the Lake Superior district, including the Marquette Range in Michigan and the Mesabi Range in Minnesota. Lake Superior is the world's largest freshwater lake by surface area - 31,700 square miles (82,100 square kilometers) - and holds 10 percent of the world's surface freshwater. The marine chart shows depth and hydrology of Lake Superior on the map, which is located in the Wisconsin, Michigan, Ontario state (Burnett, Rainy River District, Algoma District). Amazingly, a single lake holds as much fresh water as all the Great Lakes combined - Lake Baikal. HOUGHTON, MI On Saturday, July 13, a recreational SCUBA diver exploring the Kamloops shipwreck at Isle Royale National Park was fatally injured in a diving accident. Because of this obsession, it was only natural when I set out to write my first mystery, I turned to the danger and mystery of the Upper Peninsula, specifically the Keweenaw Peninsula area that juts into the lake on the west side of the Upper Peninsula. Lake Superior is a vast fresh water resource that has not experienced the same levels of development, urbanization and pollution as the other Great Lakes. Lake Superior continually shapes the Pictured Rocks shoreline. In the summer of 1985, Lake Superior reached its highest recorded level at 2.33 feet (0.71m) above datum. 13. Park Superintendent Phyllis Green has temporarily closed the Kamloops to diving. Relatively few pollutants enter Lake Superior, except through airborne transport, The shoreline and islands that rim the lake stretch 2,726 miles, Regents of the University of Minnesota ($500,000) for invasive species prevention. The Lake Mines 3 districts are: Portage Lake District; Keweenaw Point District; Ontonagon District; Including now the Marquette Iron Range Mines.. From 1855 to 1975 it is estimated there have been 2,000 mine related deaths for Keweenaw county, at . The gravesite long eluded shipwreck hunters. The Ironton is yet another piece of the puzzle of Alpenas fascinating place in Americas history of trade, while the Thunder Bay sanctuary continues to reveal lost chapters of maritime history.. I once had my protagonist hiding from the killer in an ice cave, but the ice break starts before she can get out. Edmund Fitzgerald was battered so intensely by Lake Superior that the 729-foot (222m) ship split in half; her two pieces lie approximately 170 feet (52m) apart at a depth of 88 fathoms (530ft or 160m). Maritime It veered off course and ran into theOhio, a freighter loaded with 1,000 tons of flour,about 10 miles off Presque Isle, Michigan. Lake Superior heats up much warmer than the water. Strong winds and high waves contributed to the deaths of two kayakers at Lake Superior following a two-day search, officials said. Sault Ste. Lake Superior is, by surface area, the world's largest freshwater lake. After the arrival of Europeans, the Anishinaabe made themselves middle-men between the French fur traders and other Native peoples. Sled Dogs They are still much lower than levels considered dangerous to human health; but this steady, long-term rise is an unusual record of environmental nitrogen buildup. The first European to see Lake Superior was probably the French explorer tienne Brl in 1622. We are deeply saddened by this SCUBA accident" stated Green. Lake Superior was featured in a songwritten by Gordon Lightfoot called "The Wreck of the Edmund Fitzgerald. This & That, Education & Learning Trade remained in the hands of the British until 1817, when John Jacob Astors American Fur Company took over south of the Canadian border. Fish The lyrics of The Wreck of Edmund Fitzgerald grabbed hold of my imagination in my twenties and never let go. OK, we tried to keep it to just ten facts, but there were so many cool facts about this beautiful body of water we actually listed twenty. The average depth is 483 ft (147 m), and the max depth is 1,333 ft (406 m). There is enough water in Lake Superior to cover all of North and South America with water one foot deep. The Lake Superior isn't the first former U.S. Army Corps of Engineers tugboat to take on water in Duluth. 3. Do you have an interesting fact about Lake Superior that isn't listed here? They are wonderful men, and so interesting. Each year since 1994, Lake Superior Magazine has chosen an organization or individual to honor for making a significant contribution to the well-being of Lake Superior and its people. Here is a smattering of my favorite books set along Lake Superior: A Cold Day in Paradise and other books in the Alex McKnight by Steve Hamilton. 49300 surface area (sq mi) 1333 max. The Upper Peninsula around Lake Superior is layered with interesting topics from environmental concerns to lighthouses to the Ojibwa, also known as Chippewa, culture and legends. The sanctuary awaits federal and state permits to plant the buoy, anchored by weights of up to 3,000 pounds (1,360 kilograms), on the lake floor. Dive teams . There have been about 350 shipwrecks recorded in Lake Superiorand Lake Superior is known to never give up her dead. Lab-grown minibrains will be used as 'biological hardware' to create new biocomputers, scientists propose, Ancient Roman 'spike defenses' made famous by Julius Caesar found in Germany, 'Building blocks of life' recovered from asteroid Ryugu are older than the solar system itself, New Moai statue that 'deified ancestors' found on Easter Island, The ultimate action-packed science and technology magazine bursting with exciting information about the universe, Subscribe today and save an extra 5% with checkout code 'LOVE5', Engaging articles, amazing illustrations & exclusive interviews, Issues delivered straight to your door or device. Lake Superior contains half of the water in all the Great Lakes. Around the Circle This Week JavaScript appears to be disabled on this computer. Authorities worked to. ), While the temperature of the surface of Lake Superior varies seasonally, the temperature below 110 fathoms (660ft; 200m) is an almost constant 39F (4C). A 9- foot-high bronze statue honors Terry Fox, the one-legged runner who was crossing Canada in 1980 to raise cancer research funds when his own cancer . Kate Crowley The kayakers were reported missing Thursday evening at. Of this amount, Lake Superior holds 2,900 cubic miles, or 3 quadrillion gallons -- accounting for more than 50% of the water. - Concrete Contractors of Raleigh, N.C. Frank Sanders | Is a Maritime Career Waiting for You? The shoreline measures 2,726 miles (4,385 km), according to the Environmental Protection Agency (EPA). The study puts Lake Conroe at the top of the list with. I like to say writing about this interesting place taught me how to bring a deeper sense of setting into my novels. [13] It drains into Lake Huron via St. Marys River, then through the lower Great Lakes to the St. Lawrence River and ultimately the Atlantic Ocean. Lake Baikal is unique in a number of other ways too. Right now, latex-gloved students are analyzing . Table 1. Lake Superior is the largest freshwater lake in the world by surface area[a] and the third-largest by volume, holding 10% of the world's surface fresh water. Authorities worked. Photography (Steve Kuchera / Forum News Service) DULUTH, Minn. When Darby Voeks heard the . Its run by monks from a nearby monastery, and the thimbleberry jam is unique and delicious. Its name is from the French Lac Suprieur (Upper Lake). By 500 B.C., Laurel people were trading for metal and other goods with different regions. Archaeologists study things to learn about the past. [19][20], Annual storms on Lake Superior regularly feature wave heights of over 20 feet (6m). Isle Royale The lake is so massive and its volume so large that, were it to be emptied at its current rate (with no compensating additions of water), it would take 191 years. The retreat left gravel, sand, clay and boulder deposits. In the 1600s it was called Le Lac Superior, or "upper lake," by the French missionaries, denoting its . The Ojibwe called it Kitchigami, meaning "great lake.". There are bears and wolves in the area too. They are believed to be the direct ancestors of the Ojibwe and Cree. 4. There is a small population of endangered whooping cranes on the lake's north shore, one of only two crane species in North America. The regulating structure is known as the Compensating Works and is operated according to a regulation plan known as Plan 1977-A. In the most recent geological history, during the Wisconsin glaciation 10,000 years ago, ice covered the region at a thickness of 1.25 miles (2km). Corrections? The sanctuary area was something of a maritime highway cloverleaf. The hills and mountains that border the lake hold moisture and fog, particularly in the fall. Overfishing has also been a factor in the decline of fish populations.[13]. The lake really doesnt give up its dead easily because the water is so cold that bacterial action is inhibited. Isle Royale in Lake Superior As mentioned before, the Great Lakes hold over 5,400 cubic miles of water. They used bows and arrows, paddled dugout canoes, fished, hunted, mined copper for tools and weapons, and established trading networks. A person adrift without a life raft stands little chance of survival. History All rights reserved. The location of the shipwreck was unknown until sport divers located the wreck in 1977. Less winter ice cover allows more solar radiation to penetrate and warm the water. 17. Lake Superior first took shape about 1.2 billion years ago as a result of the North American Mid-Continent Rift, which carved an arc-shaped scar stretching from Kansas through Minnesota. With 78 crewmembers dead, their sinking marked the largest loss of life on Lake Superior to date. For comparison, the largest of the Great Lakes (Lake Superior) is only 25% as deep, with a maximum depth of 1,333ft (406m). On this Wikipedia the language links are at the top of the page across from the article title. The larger cities on Lake Superior include the twin ports of Duluth, Minnesota, and Superior, Wisconsin; Thunder Bay, Ontario; Marquette, Michigan; and the twin cities of Sault Ste. Edit. And you have to be wary of hitting moose on the road. Ojibwa natives called Lake Superior Gitche Gumee which means Big Sea Water. Thanks for sharing such a useful and informative content. Accidental introductions have occurred in part by the removal of natural barriers to navigation between the Great Lakes. Water Area: 31,700 sq. Shipwrecks hold onto their mysteries too. 2. Pictured Rocks National Lakeshore Two recent consecutive winters (20132014 and 20142015) brought high ice coverage to the Great Lakes, and on March 6, 2014, overall ice coverage peaked at 92.5%, the second-highest in recorded history. Its a powerful, tragic story, Gandulla said. Iron ore was mined and smelted locally from 1848, and the opening (1855) of the Soo Locks ship canal on the St. Marys River facilitated iron mining in the region by allowing regular shipment to the lower lakes. Birds The Ohio soon foundered, its crew of 16 rescued by the Moonlight. Known as Lake Superior's hometown, Ashland is a small port city in the northern part of the state at the head of Chequamegon Bay. The lake's lowest levels occur in March and April. Kakabeka Falls. The average water temperature is 40 F (4.4 C) lower than the other Great Lakes, which are farther south. NPS photo "Lake Superior possesses all the sublimity of the ocean. Lake Superior's water level was at a new record low in September 2007, slightly less than the previous record low in 1926. This variation in temperature makes the lake seasonally stratified. But by 1821, with competition harming the profits of both, the companies merged under the Hudson's Bay Company name. Extending through Canada and the United States, about 444,000 US residents and 229,000 Canadian residents live along the shores of Lake Superior. It may relate to anthropogenic alternations to the regional nitrogen cycle, but researchers are still unsure of the causes of this change to the lake's ecology. An interesting plot might also include Native American myths such as the Windigo, a vengeful spirit. The deepest point in Lake Superior is 1,300 feet (400 meters) below the surface, making a complete freeze a rarity. The National Park Service on Saturday identified the two victims as Kimberly Aiello of Troy, Michigan, and David Delegato of Shelby Township, Michigan. NY 10036. The 191-foot (58-meter) cargo vessel collided with a grain hauler on a blustery night in September 1894, sinking both. Changes in water levels are more noticeable from prevailing winds pushing water to the Eastern shore. Largest of the Great Lakes of North America, largest freshwater lake in the world by surface area, International Lake Superior Board of Control, Porcupine Mountains Wilderness State Park, Great Storms of the North American Great Lakes, List of shipwrecks of western Lake Superior, Great Recycling and Northern Development Canal, "Global Land One-Kilometer Base Elevation (GLOBE) v.1", "Tunnel Valleys, Glacial Surges, and Subglacial Hydrology of the Superior Lobe, Minnesota", "Great Lakes: Basic Information: Physical Facts", Michigan Department of Environmental Quality, "Superior Pursuit: Facts About the Greatest Great Lake", "Global Warming Is Shrinking the Great Lakes", "Lake Superior Warming Faster than Surrounding Climate", "Extensive Great Lakes Ice Coverage to Limit Severe Weather, Pose Challenges to Shipping Industry", "After Achieving 95 Percent Coverage, Lake Superior's Ice Breaking Up", "Environmental Climatology of Lake Superior", "NOAA Technical Memorandum ERL GLERL-29: Evaporation from Lake Superior", Great Lakes Environmental Research Laboratory, "Ontario Amethyst: Ontario's Mineral Emblem", "Century-Old Shipwreck Discovered: Ore Carrier Went Down in Lake Superior on Its Second Voyage", "Increasing Stoichiometric Imbalance in North America's Largest Lake: Nitrification in Lake Superior", "Great Lakes Sensitivity to Climatic Forcing: Hydrological Models", "Rockin' the Rift, The Billion-Year-Old Split that Made Us", Lake Superior NOAA nautical chart #14961 online, Parks Canada - Lake Superior National Marine Conservation Area, Great Lakes and St. Lawrence Governors and Premiers, Great Lakes Basin Soil Erosion and Sediment Control Program, Great LakesSaint Lawrence River Basin Sustainable Water Resources Agreement, https://en.wikipedia.org/w/index.php?title=Lake_Superior&oldid=1138275251, Articles with incomplete citations from February 2020, Short description is different from Wikidata, Articles using infobox body of water without alt, Articles using infobox body of water without alt bathymetry, Articles with unsourced statements from June 2021, Creative Commons Attribution-ShareAlike License 3.0, 1,729mi (2,783km) plus 997mi (1,605km) for islands, This page was last edited on 8 February 2023, at 21:08. We'll leave it up to you as to which is number one! The deaths of four members of a Wisconsin family who died after their kayak capsized off the Apostle Islands was a harsh reminder of the hazards of paddling the unpredictable waters of Lake Superior. [34] These ancient granites can be seen on the North Shore today. Underwater visibility in some spots reaches 30 meters. mi. It takes almost 200 years for the lake to refill with new water, according to the University of Wisconsin. Its surface temperature has been going up, but with wild fluctuations. They attempted to assist him but were forced to send him to the surface alone after he became unconscious. Marie, Ontario. During the nine-month period of October 1925 to June 1926, water levels ranged from 1.58 feet (0.48m) to 0.33 feet (0.10m) below Chart Datum. Lake Superior is a vast fresh water resource that has not experienced the same levels of development, urbanization and pollution as the other Great Lakes.