Lake Passaic

Lake Passaic was a prehistoric proglacial lake that existed in northern New Jersey in the United States at the end of the last ice age approximately 19,000-14,000 years ago. The lake was formed of waters released by the retreating Wisconsin Glacier, which had pushed large quantities of earth and rock ahead of its advance, blocking the previous natural drainage of the ancestral Passaic River through a gap in the central Watchung Mountains. The lake persisted for several thousand years as melting ice and eroding moraine dams slowly drained the former lake basin. The effect of the lake’s creation permanently altered the course of the Passaic River, forcing it to take a circuitous route through the northern Watchung Mountains before spilling out into the lower piedmont.

Today, the former lake basin is called Passaic Meadows and includes the Great Swamp, Black Meadows, Troy Meadows, Hatfield Swamp, Lee Meadows, Little Piece Meadows, Great Piece Meadows, Glenhurst Meadows, and Bog and Vly Meadows. These remnants of the ancient lake provide prime wetland habitat to a variety of plants and animals while at the same time offering recreational and outdoor opportunities to residents of northern New Jersey.

Read more about Lake PassaicDiscovery, Geology, Lake Stages

Other articles related to "lake passaic, passaic, lake":

Lake Passaic - Modern Lake Basin - Flooding
... Chronic flooding in the central Passaic basin, particularly around the confluence of the Passaic and Pompton rivers, has been severe enough to lead to government buyouts of private land ... that some of the Totowa Stage of Glacial Lake Passaic briefly reappears until enough time has gone by for the water to drain out ... The Passaic River Flood Tunnel, a floodwater diversion system, has been proposed to create a new escape route for water trapped behind the Watchung Mountains ...
Lake Hiawatha, New Jersey - Geology
... When the glacier melted due to climate change, Lake Passaic was formed ... Lake Passaic covered all of Lake Hiawatha ... Lake Passaic slowly drained and much of the area is swamps or low lying meadows such as Troy Meadows ...

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