Lewis Run (also known as Unt to Roaring Brook) is a

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 drai ...

of Roaring Brook in

Luzerne County, Pennsylvania Luzerne County is a county in the U.S. state of Pennsylvania. According to the U.S. Census Bureau, the county has a total area of , of which is land and is water. It is Northeastern Pennsylvania's second-largest county by total area. As of ...

, in the United States. It is approximately long and flows through Ross Township and Hunlock Township. A relatively small amount on non-municipal sewage is discharged into the stream. However, it is not considered to be impaired and wild trout naturally reproduce within it.

Course

Lewis Run begins in southeastern Ross Township. It flows south-southeast for a few hundred feet before turning southwest. The stream then turns west and enters a valley. It then gradually turns south and flows in a generally southwardly direction for a few miles, flowing in its valley alongside State Route 4029 and entering Hunlock Township. The stream eventually turns southwest. After several tenths of a mile, it crosses State Route 4026 and reaches its confluence with Roaring Brook. Lewis Run joins Roaring Brook on the latter stream's

right bank In geography, a bank is the land alongside a body of water. Different structures are referred to as ''banks'' in different fields of geography, as follows. In limnology (the study of inland waters), a stream bank or river bank is the terrai ...

Geography and geology

The elevation near the mouth of Lewis Run is above

sea level Mean sea level (MSL, often shortened to sea level) is an average surface level of one or more among Earth's coastal bodies of water from which heights such as elevation may be measured. The global MSL is a type of vertical datuma standardise ...

. The elevation near the stream's

source Source may refer to: Research * Historical document * Historical source * Source (intelligence) or sub source, typically a confidential provider of non open-source intelligence * Source (journalism), a person, publication, publishing institute o ...

is between above sea level. There is one feature on Lewis Run that is identified as a "problem area" by the Luzerne County Conservation District. This feature's identifier is HUN015. The feature consists of two fallen

tree In botany, a tree is a perennial plant with an elongated stem, or trunk, usually supporting branches and leaves. In some usages, the definition of a tree may be narrower, including only woody plants with secondary growth, plants that are ...

s across the stream. However, there is a relatively little

erosion Erosion is the action of surface processes (such as water flow or wind) that removes soil, rock, or dissolved material from one location on the Earth's crust, and then transports it to another location where it is deposited. Erosion is dis ...

or possibly even none at the site.

Watershed and hydrology

Lewis Run is entirely within the

United States Geological Survey The United States Geological Survey (USGS), formerly simply known as the Geological Survey, is a scientific agency of the United States government. The scientists of the USGS study the landscape of the United States, its natural resources, ...

quadrangle of Harveys Lake. An establishment known as Sweet Valley Mobile Home Villa has an NPDES permit to discharge non-municipal sewage into Lewis Run. This discharge is a minor discharge of 10,000 gallons per day. However, the stream is not considered to be impaired.

History

In the Pennsylvania Fish and Boat Commission's list of wild trout waters, Lewis Run is referred to as "Unt to Roaring Brook".

Biology

Wild

trout Trout are species of freshwater fish belonging to the genera '' Oncorhynchus'', '' Salmo'' and '' Salvelinus'', all of the subfamily Salmoninae of the family Salmonidae. The word ''trout'' is also used as part of the name of some non-salm ...

naturally reproduce in Lewis Run from its headwaters downstream to its mouth.

References