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Puslinch Lake
Puslinch Lake is a kettle lake located in Wellington County, Ontario, Canada. It is the largest kettle lake in North America. The lake is "private", according to Puslinch Township Council, but some public access (beach and boat launch) was available near the trailer park until the owners closed both to the public in July 2020 after a snowmobile accident left the owners of the access point fiscally responsible, prompting a quick closure of the public access point. In October 2020, Township of Puslinch announced that it is "working towards creating a public access to Puslinch Lake".
The Puslinch Lake - Irish Creek Wetland, a provincially significant area, is adjacent to the lake.
The lake is normally fed by surface runoff and underwater springs; there are no permanent inflow streams. Several ephemeral streams discharge into Mud Bay, however. During high water conditions, the lake outflows into Puslinch Lake Creek, which is a part of the Grand River drainage basin. There is a channel connecting Puslinch Lake to Little Lake, located to the northeast. However, it is devoid of moving water, except for high water conditions.
The lake is relatively shallow, most of it being less than 2 m in depth; the maximum depth is approximately 5.5 m. The deepest area corresponds to only 0.4% of the entire lake. Because of that, and due to very limited inflow and outflow, the lake actively undergoes the processes of eutrophication, with associated algal bloom, low oxygen level, and periodic fish kills. While these processes are natural, their rate is increased by anthropogenic factors, since a large portion of the lake's shoreline was modified from its original state to allow residential development. Increasing thickness of organic sediments resulted in the necessity to dredge the lake. Settling ponds were constructed nearby; however, they were quickly deemed inadequate. A new approach was then implemented, involving moving the dredged material into porous bags, which allowed water to be released back into the lake. The remaining dried material is intended for sale as topsoil enrichment.
There are 16 species of fish present in the lake; some of them had been introduced. The lake supports a population of banded killifish, one of only a few known populations in the whole Grand River basin.
Permanent settlers first arrived to this area in the 1830s after it had been surveyed into lots for farms. Records indicate that the first settlers in the area were Peter and Alex Lamont in 1831; others subsequently arrived to replace the earlier squatters. In 1846, Rev. Father Simon Sanderl of Guelph had a small church build on the Big Island in Puslinch Lake as a mission; he left Wellington county in 1850 and later in that decade, two men converted the church into a hotel, which did not succeed.
The lake was a popular destination for picnics in 1867 and day trippers came often. By the 1870s, boat races were being held here on holidays and these "became a major attraction", according to one report. Guelph brewer George Sleeman purchased property here in the 19th century; he would eventually own 55 acres, some of it on nearby Little Lake. By the late 1880s, Puslinch Lake "became a summer playground for residents of Wellington and Waterloo counties".
Sleeman built the Puslinch Lake Hotel in 1880 and purchased a steamboat for the lake that operated until 1883. (Hotels at the lake had been built previously by two other individuals, Alex Parks and Thomas Frame.)
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Puslinch Lake
Puslinch Lake is a kettle lake located in Wellington County, Ontario, Canada. It is the largest kettle lake in North America. The lake is "private", according to Puslinch Township Council, but some public access (beach and boat launch) was available near the trailer park until the owners closed both to the public in July 2020 after a snowmobile accident left the owners of the access point fiscally responsible, prompting a quick closure of the public access point. In October 2020, Township of Puslinch announced that it is "working towards creating a public access to Puslinch Lake".
The Puslinch Lake - Irish Creek Wetland, a provincially significant area, is adjacent to the lake.
The lake is normally fed by surface runoff and underwater springs; there are no permanent inflow streams. Several ephemeral streams discharge into Mud Bay, however. During high water conditions, the lake outflows into Puslinch Lake Creek, which is a part of the Grand River drainage basin. There is a channel connecting Puslinch Lake to Little Lake, located to the northeast. However, it is devoid of moving water, except for high water conditions.
The lake is relatively shallow, most of it being less than 2 m in depth; the maximum depth is approximately 5.5 m. The deepest area corresponds to only 0.4% of the entire lake. Because of that, and due to very limited inflow and outflow, the lake actively undergoes the processes of eutrophication, with associated algal bloom, low oxygen level, and periodic fish kills. While these processes are natural, their rate is increased by anthropogenic factors, since a large portion of the lake's shoreline was modified from its original state to allow residential development. Increasing thickness of organic sediments resulted in the necessity to dredge the lake. Settling ponds were constructed nearby; however, they were quickly deemed inadequate. A new approach was then implemented, involving moving the dredged material into porous bags, which allowed water to be released back into the lake. The remaining dried material is intended for sale as topsoil enrichment.
There are 16 species of fish present in the lake; some of them had been introduced. The lake supports a population of banded killifish, one of only a few known populations in the whole Grand River basin.
Permanent settlers first arrived to this area in the 1830s after it had been surveyed into lots for farms. Records indicate that the first settlers in the area were Peter and Alex Lamont in 1831; others subsequently arrived to replace the earlier squatters. In 1846, Rev. Father Simon Sanderl of Guelph had a small church build on the Big Island in Puslinch Lake as a mission; he left Wellington county in 1850 and later in that decade, two men converted the church into a hotel, which did not succeed.
The lake was a popular destination for picnics in 1867 and day trippers came often. By the 1870s, boat races were being held here on holidays and these "became a major attraction", according to one report. Guelph brewer George Sleeman purchased property here in the 19th century; he would eventually own 55 acres, some of it on nearby Little Lake. By the late 1880s, Puslinch Lake "became a summer playground for residents of Wellington and Waterloo counties".
Sleeman built the Puslinch Lake Hotel in 1880 and purchased a steamboat for the lake that operated until 1883. (Hotels at the lake had been built previously by two other individuals, Alex Parks and Thomas Frame.)