Lake Mattoon is a 1,050-acre (4.2 km²) reservoir

Reservoir

A reservoir , artificial lake or dam is used to store water.Reservoirs may be created in river valleys by the construction of a dam or may be built by excavation in the ground or by conventional construction techniques such as brickwork or cast concrete.The term reservoir may also be used to...

 located in Coles County, Illinois

Coles County, Illinois

Coles County is a county located in the U.S. state of Illinois. According to the 2010 census, it has a population of 53,873, which is an increase of 1.3% from 53,196 in 2000. Its county seat is Charleston, which is also the home of Eastern Illinois University....

, Cumberland County, Illinois, and Shelby County, Illinois. Almost three-quarters of the lake, 765 acres (3.1 km²), is located in Shelby County. The reservoir was built to supply tap water

Tap water

Tap water is a principal component of "indoor plumbing", which became available in urban areas of the developed world during the last quarter of the 19th century, and common during the mid-20th century...

 to Mattoon, Illinois

Mattoon, Illinois

Mattoon is a city in Coles County, Illinois, United States. The population was 18,555 as of the 2010 census. It is a principal city of the Charleston–Mattoon Micropolitan Statistical Area.Mattoon was the site of the "Mad Gasser" attacks of the 1940s....

 and Neoga

Neoga, Illinois

Neoga is a city in Cumberland County, Illinois, United States. The population was 1,854 at the 2000 census. It is part of the Charleston–Mattoon Micropolitan Statistical Area. The current mayor of Neoga is Wayne Modglin, a councilman who was appointed to the position following the resignation...

, but also provides fish

Fish

Fish are a paraphyletic group of organisms that consist of all gill-bearing aquatic vertebrate animals that lack limbs with digits. Included in this definition are the living hagfish, lampreys, and cartilaginous and bony fish, as well as various extinct related groups...

ing and boat

Boat

A boat is a watercraft of any size designed to float or plane, to provide passage across water. Usually this water will be inland or in protected coastal areas. However, boats such as the whaleboat were designed to be operated from a ship in an offshore environment. In naval terms, a boat is a...

ing recreation. The lake is 4 miles (6.4 km) long and 0.5 miles (0.8 km) wide.

The lake is owned by the city of Mattoon. Boaters must buy a permit to use the lake. There is no power limit on the lake, which welcomes waterskiers. The lake is stocked with bass

Bass (fish)

Bass is a name shared by many different species of popular gamefish. The term encompasses both freshwater and marine species. All belong to the large order Perciformes, or perch-like fishes, and in fact the word bass comes from Middle English bars, meaning "perch."-Types of basses:*The temperate...

, bluegill

Bluegill

The Bluegill is a species of freshwater fish sometimes referred to as bream, brim, or copper nose. It is a member of the sunfish family Centrarchidae of the order Perciformes.-Range and distribution:...

, catfish

Catfish

Catfishes are a diverse group of ray-finned fish. Named for their prominent barbels, which resemble a cat's whiskers, catfish range in size and behavior from the heaviest and longest, the Mekong giant catfish from Southeast Asia and the second longest, the wels catfish of Eurasia, to detritivores...

, and crappie

Crappie

Crappie is a genus of freshwater fish in the sunfish family of order Perciformes. The type species is P. annularis, the white crappie...

.The nearest Interstate access is Exit 177 on Interstate 57

Interstate 57

Interstate 57 is an Interstate Highway in Missouri and Illinois that parallels the old Illinois Central rail line for much of its route. It goes from Miner, Missouri, at Interstate 55 to Chicago, Illinois, at Interstate 94. I-57 essentially serves as a shortcut route for travelers headed between...

.

A large Reliant Energy

Reliant Energy

RRI Energy, Inc. , based in Houston, Texas, United States, was an energy company that provided electricity to wholesale customers in the United States. The company was one of the largest independent power producers in the nation with more than 14,000 megawatts of power generation capacity across...

electricity generating plant stands adjacent to the lake.