Crooked Creek (Tioga River)
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Crooked Creek is a U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data
The National Map
, accessed August 8, 2011
tributary A tributary, or affluent, is a stream or river that flows into a larger stream or main stem (or parent) river or a lake. A tributary does not flow directly into a sea or ocean. Tributaries and the main stem river drain the surrounding drainage ...
of the Tioga River located entirely in Tioga County,
Pennsylvania Pennsylvania (; ( Pennsylvania Dutch: )), officially the Commonwealth of Pennsylvania, is a state spanning the Mid-Atlantic, Northeastern, Appalachian, and Great Lakes regions of the United States. It borders Delaware to its southeast, ...
in the United States.


Geography

The source is southwest of the
unincorporated Unincorporated may refer to: * Unincorporated area, land not governed by a local municipality * Unincorporated entity, a type of organization * Unincorporated territories of the United States, territories under U.S. jurisdiction, to which Congress ...
village A village is a clustered human settlement or community, larger than a hamlet but smaller than a town (although the word is often used to describe both hamlets and smaller towns), with a population typically ranging from a few hundred to ...
of Little Marsh in Chatham Township at an elevation of . The creek first flows east for , then northeast for . The mouth is at the
confluence In geography, a confluence (also: ''conflux'') occurs where two or more flowing bodies of water join to form a single channel. A confluence can occur in several configurations: at the point where a tributary joins a larger river (main stem); o ...
with the Tioga River, just north of the borough of Tioga, at an elevation of . The difference in elevation ( divided by the length of the creek of gives the average drop in elevation per unit length of creek or
relief ratio The relief ratio is a number calculated to describe the grade of a river or stream. The calculation is the difference in elevation between the river's source and the river's confluence or mouth divided by the total length of the river or stream. ...
of 39.1 ft/mi (7.4 m/km ). The
meander A meander is one of a series of regular sinuous curves in the channel of a river or other watercourse. It is produced as a watercourse erodes the sediments of an outer, concave bank ( cut bank) and deposits sediments on an inner, convex bank ...
ratio is 1.07, so despite its name, the creek is fairly straight in its bed.


Watershed

The watershed area is , with a population of 4,570 as of 2000. Of that area, are
forest A forest is an area of land dominated by trees. Hundreds of definitions of forest are used throughout the world, incorporating factors such as tree density, tree height, land use, legal standing, and ecological function. The United Nations' ...
ed, are given to
agricultural Agriculture or farming is the practice of cultivating Plant, plants and livestock. Agriculture was the key development in the rise of Sedentism, sedentary human civilization, whereby farming of Domestication, domesticated species created food ...
uses, and is open water. The watershed accounts for 12.2% of Tioga County by area.


Hammond Reservoir

Crooked Creek has one major impoundment, the Hammond
Reservoir A reservoir (; from French ''réservoir'' ) is an enlarged lake behind a dam. Such a dam may be either artificial, built to store fresh water or it may be a natural formation. Reservoirs can be created in a number of ways, including contro ...
, formed by a
dam A dam is a barrier that stops or restricts the flow of surface water or underground streams. Reservoirs created by dams not only suppress floods but also provide water for activities such as irrigation, human consumption, industrial use ...
just before it enters the Tioga River. The
lake A lake is an area filled with water, localized in a basin, surrounded by land, and distinct from any river or other outlet that serves to feed or drain the lake. Lakes lie on land and are not part of the ocean, although, like the much large ...
has a surface area of and is administered by the
U.S. Army Corps of Engineers , colors = , anniversaries = 16 June (Organization Day) , battles = , battles_label = Wars , website = , commander1 = ...
, who built the Hammond Dam from 1973 to 1979. Built together with the adjoining Tioga Dam and Tioga Lake (on the Tioga River), the total project cost $200 million. The dam projects were initially authorized by the
United States Congress The United States Congress is the legislature of the federal government of the United States. It is bicameral, composed of a lower body, the House of Representatives, and an upper body, the Senate. It meets in the U.S. Capitol in Washing ...
in the Flood Control Act of July 3, 1958 (Public Law 85-500). A channel connects the two lakes so that Hammond Lake (which has greater storage capacity) may be used to store excess (flood) water from Tioga Lake. However, in addition to flood control on the Chemung and North Branch
Susquehanna River The Susquehanna River (; Lenape: Siskëwahane) is a major river located in the Mid-Atlantic region of the United States, overlapping between the lower Northeast and the Upland South. At long, it is the longest river on the East Coast of the ...
s, the dams are also meant to help decrease the acidity of water in the Tioga River downstream of the dams by
dilution Dilution may refer to: * Reducing the concentration of a chemical * Serial dilution, a common way of going about this reduction of concentration * Homeopathic dilution * Dilution (equation), an equation to calculate the rate a gas dilutes *Tradema ...
with the more neutral waters of Crooked Creek. The Tioga River's acidity is caused by
acid mine drainage Acid mine drainage, acid and metalliferous drainage (AMD), or acid rock drainage (ARD) is the outflow of acidic water from metal mines or coal mines. Acid rock drainage occurs naturally within some environments as part of the rock weathering ...
. The lakes also offer recreational opportunities, including
camping Camping is an outdoor activity involving overnight stays away from home, either without shelter or using basic shelter such as a tent, or a recreational vehicle. Typically, participants leave developed areas to spend time outdoors in more nat ...
,
boat A boat is a watercraft of a large range of types and sizes, but generally smaller than a ship, which is distinguished by its larger size, shape, cargo or passenger capacity, or its ability to carry boats. Small boats are typically found on inl ...
ing,
fishing Fishing is the activity of trying to catch fish. Fish are often caught as wildlife from the natural environment, but may also be caught from stocked bodies of water such as ponds, canals, park wetlands and reservoirs. Fishing techniques inclu ...
,
swimming Swimming is the self-propulsion of a person through water, or other liquid, usually for recreation, sport, exercise, or survival. Locomotion is achieved through coordinated movement of the limbs and the body to achieve hydrodynamic thrust that r ...
, and
hiking Hiking is a long, vigorous walk, usually on trails or footpaths in the countryside. Walking for pleasure developed in Europe during the eighteenth century.AMATO, JOSEPH A. "Mind over Foot: Romantic Walking and Rambling." In ''On Foot: A Histor ...
on area trails.


See also

*
List of rivers of Pennsylvania This is a list of streams and rivers in the U.S. state of Pennsylvania. By drainage basin This list is arranged by drainage basin, with respective tributaries indented under each larger stream's name. Delaware Bay Chesapeake Bay *''E ...


References


External links


U.S. Geological Survey: PA stream gaging stations
* tp://ftp.dot.state.pa.us/public/pdf/BPR_pdf_files/Maps/GHS/Roadnames/tioga_GHSN.PDF Pennsylvania Department of Transportation Map of Tioga County showing Crooked Creek
U.S. Army Corps of Engineers page on Tioga-Hammond Lakes


{{Coord, 41.88184, -77.41138, type:river_globe:earth_region:US-PA, display=title Rivers of Pennsylvania Rivers of Tioga County, Pennsylvania Tributaries of the Chemung River