About Tennessee Lake Levels
Our Mission
Tennessee Lake Levels provides real-time and historical water level data for major TVA-managed lakes in Tennessee. Our goal is to help recreational users, boaters, and anglers make informed decisions about their water activities.
Data Source
All data is sourced directly from the Tennessee Valley Authority (TVA) public API. The TVA manages water levels across its reservoir system for multiple purposes including flood control, power generation, navigation, and recreation.
Lakes Covered
- Douglas Lake - 30,400 acres, 555 miles of shoreline
- Cherokee Lake - 28,780 acres, 463 miles of shoreline
- Norris Lake - 34,200 acres, 809 miles of shoreline
Data Updates
Current water level data is updated every 15 minutes. Historical data is aggregated daily, providing multi-year trends for pattern analysis. The system automatically collects and validates data to ensure accuracy.
Technology
This website is built with Astro and React, using modern web technologies for fast, static site generation. Interactive charts are powered by Recharts, providing detailed visualization of water level trends.
Important Disclaimer
This information is provided for recreational planning purposes only. Water levels can change rapidly due to weather conditions, dam operations, and other factors. Always check official TVA sources and local conditions before engaging in water activities. The operators of this service are not responsible for decisions made based on this information.