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Percy Priest Lake, TN

water level
489.43 ft
Condition
Steady
7-day change
-0.05 ft
30-day change
-0.52 ft
1-year change
-0.38 ft

Reading as of 2026-10-13 | the Tennessee Valley Authority

Since yesterday
-0.05 ft
7-day change
-0.05 ft
30-day change
-0.52 ft
1-year change
-0.38 ft
Record high
492.29 ft

In brief

Percy Priest Lake stood at 489.43 feet on Oct 13, 2026.

Source: Tennessee Valley Authority

Last 30 days

489.0489.3489.7490.0490.3SEP 13SEP 18SEP 23SEP 28OCT 03OCT 08OCT 13HIGH 489.95LOW 489.38489.43 ftLAST READING

Last 12 months

481484487490493OCT 25DEC 25FEB 26APR 26JUN 26AUG 26OCT 26HIGH 491.99LOW 482.74489.43 ftLAST READING

Records and averages

Current level489.43 ft
Record high492.29 ft (2025-04-08)
Record low482.45 ft (2025-01-25)
Average of all readings487.74 ft
Data span1.8 years (651 readings)

Level schematic

482.1484.7487.4490.0492.7PUBLISHED HIGH 492.29 ft489.43 ftPUBLISHED LOW 482.45 ft

Nearby lakes

Frequently asked questions

Is Percy Priest Lake full right now?

As of 2026-10-13, Percy Priest Lake sits at 489.43 ft. Over the past 30 days the level has fallen 0.52 ft.

What is the water level at Percy Priest Lake today?

The most recent reading at Percy Priest Lake is 489.43 ft (2026-10-13), sourced from the Tennessee Valley Authority. Readings on this page refresh automatically as the agency publishes new data.

What is the highest Percy Priest Lake has ever been?

The highest level for Percy Priest Lake in our records is 492.29 ft on 2025-04-08. The lowest is 482.45 ft on 2025-01-25. Our record covers about 1.8 years of readings.

Why is Percy Priest Lake changing right now?

Reservoir levels move for four main reasons: rainfall and runoff into the basin, releases through the dam for downstream water supply, power generation or flood control, evaporation during hot months, and seasonal drawdown schedules set by the operating agency. Percy Priest Lake has fallen 0.52 ft over the past 30 days. For the operational reason on any given week, check the Tennessee Valley Authority directly.

How much has Percy Priest Lake changed over the past year?

Percy Priest Lake is -0.38 ft compared with this date last year (489.43 ft today). The full-history chart above covers 1.8 years, with a record high of 492.29 ft and a record low of 482.45 ft.

Download and cite

Quote this reading

Percy Priest Lake stood at 489.43 feet on Oct 13, 2026.

From the Tennessee Valley Authority, updated daily. The sentence changes with every new reading, so quote it with its date.

Download the full record

percy-priest-lake-tn-water-level-history.csv

651 readings, Jan 1, 2025 to Oct 13, 2026. Daily readings. Columns: date, water_level_ft. 12 KB.

How to cite

MyWaterLevel, “Percy Priest Lake water level, 2025 to 2026,” data from Tennessee Valley Authority, https://mywaterlevel.com/lake/tn/percy-priest-lake/, accessed Oct 13, 2026.

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Source: the Tennessee Valley Authority. All Tennessee lake levels. Readings are provisional and may be revised. About our data and methods.