The Lake Cumberland Watershed is approximately 1,886 square miles and has an estimated population of 122,000 people. Use the map below to find out if you live in the watershed or to simply explore! The area within the purple boundary is within the watershed.
Water Quality in the Lake Cumberland Watershed
There are 2,175 miles of streams and rivers in the Lake Cumberland Watershed. Within the watershed, the states of Kentucky and Tennessee reports that 98 miles are impaired. The most common sources of impairment are agriculture, and petroleum/natural gas activities. In addition, the State of Kentucky reports that the entirety of Lake Cumberland (roughly 79 square miles) is impaired by methylmercury, a heavy metal pollutant that finds its way to waters via atmospheric deposition – the transfer of airborne pollutants from the atmosphere to land or water.
Learn more about water quality in the Lake Cumberland Watershed and what you can do to improve it using iCreek.
Learn More about the Lake Cumberland Watershed
- TDEC – Lake Cumberland Watershed Website
- TDEC – Water Pollution Control Interactive Map
- TDEC – 303d Reports on Impaired TN Waters
- KDOW – 303d Report on Impaired KY Waters
- EPA’s Surf Your Watershed Site: Lake Cumberland
- Army Corps of Engineers Lake Cumberland Site
- Obtain NatureServe species data for this watershed (including rare and endangered species).
Page produced in collaboration with
The Nature Conservancy of Tennessee