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Storm drain grate on a street in Warsaw, Poland Storm drain with its pipe visible beneath it due to construction work. A storm drain, storm sewer (United Kingdom, U.S. and Canada), highway drain [1], surface water drain/sewer (United Kingdom), or stormwater drain (Australia and New Zealand) is infrastructure designed to drain excess rain and ground water from impervious surfaces such as paved ...
The Holland Marsh is a wetland and agricultural area in Ontario, Canada, about 50 kilometres (31 mi) north of Toronto. [1] It lies entirely within the valley of the Holland River, stretching from the northern edge of the Oak Ridges Moraine near Schomberg to the river mouth at Cook's Bay, Lake Simcoe. In its entirety it comprises about 21,000 ...
The history of flooding in Canada includes floods caused by snowmelt runoff or freshet flooding, storm-rainfall and "flash flooding", ice jams during ice formation and spring break-up, natural dams, coastal flooding on ocean or lake coasts from storm surges, hurricanes and tsunamis. Urban flooding can be caused by stormwater runoff, riverine ...
Bowmanville Creek (French: ruisseau Bowmanville) is a stream in the municipality of Clarington, Regional Municipality of Durham in south-central Ontario, Canada. It flows from the Oak Ridges Moraine to Lake Ontario at Bowmanville. [1][2][6][7] The creek is under the auspices of the Central Lake Ontario Conservation Authority.
For other ships with the same name, see HMS Ontario. HMS Ontario was a British warship that sank in a storm in Lake Ontario on 31 October 1780, during the American Revolutionary War. [2] She was a 22-gun snow, and, at 80 feet (24 m) in length, the largest British warship on the Great Lakes at the time. [2] The shipwreck was discovered in 2008.
1 Shore length is not a well-defined measure. Map of Lake Huron and the other Great Lakes. Lake Huron (/ ˈhjʊərɒn, - ən / HURE-on, -ən) is one of the five Great Lakes of North America. It is shared on the north and east by the Canadian province of Ontario and on the south and west by the U.S. state of Michigan.
Oak Ridges Moraine. Coordinates: 44°03′N 78°52′W. The Oak Ridges Moraine. The Oak Ridges Moraine is an ecologically important geological landform in the Mixedwood Plains of south-central Ontario, Canada. The moraine covers a geographic area of 1,900 square kilometres (730 sq mi) between Caledon and Rice Lake, near Peterborough.
Stormwater, also written storm water, is water that originates from precipitation (storm), including heavy rain and meltwater from hail and snow. Stormwater can soak into the soil (infiltrate) and become groundwater, be stored on depressed land surface in ponds and puddles, evaporate back into the atmosphere, or contribute to surface runoff.