Guides
Answers to the questions behind the numbers: how far your lake drops this winter, what “full pool” means, which flows are runnable and when the dams release. Every guide is built from the same live agency data as our lake and river pages and links straight to them.
Lake levels
- TVA winter drawdown 2026–27: when each lake drops and how farLake-by-lake drop from summer pool to the winter low, with today’s level against TVA’s guide.
- What does “full pool” mean?Conservation pool vs. flood pool vs. summer pool, with today’s numbers from Lanier to Lake Mead.
- Texas lake levels todayStatewide storage, the lowest and fullest lakes, and every reservoir’s percent full.