Taylorsville Lake is a 3,050-acre (1,230 ha) artificial lake or reservoir located mainly in Spencer County, Kentucky. As of 12/19/21 Taylorsville Lake has become a hotspot for migrating ducks. According to Central KY Waterfowlers the lake is currently holding a record number of waterfowl. It has been estimated over 20,000 ducks have been harvested in 3 days. Construction by the United States Army Corps of Engineers started in 1974, and flooding began in 1983. The total cost of the lake was $103 million. It is about 18.5 miles (29.8 km) long. Backwater areas of the lake are also located in Nelson County and Anderson County.

Spencer County is a county located in the U.S. state of Kentucky. As of the 2020 census, the total population was 19,490. Its county seat is Taylorsville. The county was founded in 1824 and named for Spier Spencer.