Tenmile Creek (Maryland)
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Tenmile Creek is a tributary stream of Little Seneca Creek in
Montgomery County Montgomery County may refer to: Australia * The former name of Montgomery Land District, Tasmania United Kingdom * The historic county of Montgomeryshire, Wales, also called County of Montgomery United States * Montgomery County, Alabama * Mon ...
, Maryland.


Course

The headwaters of the stream originate in Thompsons Corner area of the county, about northwest of Clarksburg, and the creek flows south for about , to Little Seneca Lake, a reservoir built on Little Seneca Creek. Little Seneca Creek drains to the Potomac River and the Chesapeake Bay.


Water quality and land use issue

The Tenmile Creek watershed is described as one of the highest quality stream systems in Montgomery County, according to government studies. It is a drinking water source as part of the Little Seneca system, an emergency water supply for the metropolitan Washington, D.C. area. The creek main stem is extensively forested and the watershed contains some agricultural land. However, the basin is bisected by an interstate highway,
I-270 I-270 may refer to: * Interstate 270 (disambiguation), one of several highways * Mikoyan-Gurevich I-270 The Mikoyan-Gurevich I-270 (Design Ж ("Zh") under Mikoyan-Gurevich's in-house designation sequence, USAF/DoD designation: Type 12) was a ...
, and in the late 1980s the county began planning for additional
land development Land development is the alteration of landscape in any number of ways such as: * Changing landforms from a natural or semi-natural state for a purpose such as agriculture or housing * Subdividing real estate into lots, typically for the purpose ...
in the Clarksburg area. In 1994 the county government had designated a portion of the watershed as a "special protection area" (SPA) to protect water quality by requiring builders to install extensive controls for
stormwater Stormwater, also spelled 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 la ...
runoff. A follow-up study found that after construction of several projects, water quality in the Little Seneca basin was degraded, despite the SPA requirements. In April 2014, the Montgomery County Council set additional limits on development projects in order to protect the quality of the creek and adjacent habitat. Later that year, developers filed suit against the county, claiming that the county "illegally limited construction on its property." The U.S. District Court in Maryland dismissed the suit in August 2017. The district court's dismissal was affirmed by the Fourth Circuit Court of Appeals on November 29, 2018.. Docket no. 17-2112.


See also

*
List of Maryland rivers List of rivers of Maryland (U.S. state). The list is arranged by drainage basin from east to west, with respective tributaries indented under each larger stream's name and ordered from downstream to upstream. By drainage basin Delaware River *C ...


References


External links


Detailed environmental studies of the Tenmile Creek area
- Montgomery County Planning Board Rivers of Montgomery County, Maryland Rivers of Maryland Tributaries of the Potomac River Land use {{Maryland-river-stub