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Ottawa River (Lake Erie)

Field	Value
name	Ottawa River
image	File:Ottawa River Wildwood Preserve Metropark Ohio July 2018.jpg
image_caption	The Ottawa River in Wildwood Preserve Metropark
source1_location	Southeast Michigan
mouth_location	Lake Erie
subdivision_type1	Country
subdivision_name1	United States
length_mi	15

the river that empties directly into Lake Erie

Illustration of Tenmile Creek from "Picturesque Maumee," 1892

The Ottawa River, also known as Ottawa Creek, is a short river, approximately 20 mi long (or about 48 mi It drains an area on the Ohio-Michigan border along the eastern and northern fringes of the city of Toledo, goes through Ottawa Hills, and empties directly into Lake Erie. It is one of two rivers in northwestern Ohio that share the same name, along with the Ottawa River that is a tributary of the Auglaize River. The upper 4 mi of the river in Michigan north of Sylvania, Ohio is called North Tenmile Creek on federal maps, while another branch rising in Fulton County, Ohio, is called Tenmile Creek.

North Tenmile Creek rises in extreme southeastern Michigan, southwest of Ottawa Lake, approximately 3 mi north of the Ohio-Michigan state line. The creek flows south across the state line to Sylvania, where it is joined by Tenmile Creek to form the Ottawa River, approximately 5 mi northwest of Toledo. The river then flows southeast into western Toledo, where it turns northeast. For its lower 5 mi it flows along the north side of Toledo roughly parallel to the Maumee River, separated from it by approximately 2 mi. It crosses the Michigan state line for its final 1 mi, entering Little Maumee Bay on Lake Erie.

Pollutants

The water quality assessment of the lower section of the Ottawa River found many chemicals in the water with a hazard quotient greater than 1 (from highest to lowest concentration): lead, aluminum, PCBs, manganese, iron, DDT, thallium, selenium, chromium, nickel, cadmium, cyanide, and zinc.

The poor water quality results primarily from the river's form and structure, since it has a slow flow, and, secondly, from urban runoff and discharge from landfills and sewers. The City of Toledo has made it a priority to clean up the river. It has taken action to clear landfills and tributaries.

Dam removal

In 2001, the U.S. Fish and Wildlife Service proposed the removal of a long-standing dam in the Ottawa Hills stretch of the river to return the waterway to its natural flow and promote fish migration. It was also mentioned that the dam was a liability for the village. One dam was removed in 2007 and another in 2020.

References

U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data. [http://viewer.nationalmap.gov/viewer/ The National Map] {{Webarchive. link. (2012-03-29 , accessed May 19, 2011)
if Tenmile Creek, the longest tributary, is included), in northwest [[Ohio]] and southeast [[Michigan]] in the [[United States]].{{gnis. 634180. Ottawa River
{{gnis. 633666. North Tenmile Creek
{{gnis. 1046987. Tenmile Creek
"Parametrix Report".
"Landfill Cleanup Progress on the Ottawa River". toledo.oh.gov.
"toledoblade.com - Ottawa Hills: Public hearing discusses future of dam".
"Microsoft Word - 1002.doc".
(Aug 27, 2020). "Dam removal and mussel relocation to help improve Ottawa River quality".

Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

rivers-of-michigan rivers-of-ohio tributaries-of-lake-erie rivers-of-lucas-county,-ohio rivers-of-monroe-county,-michigan

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