Joe Pool Lake Water Level
Texas · updated daily from the Texas Water Development Board
95.4% full
Joe Pool Lake is near full at 520.95 ft and falling (-0.29 ft in the last 7 days).
1.05 ft below full pool of 522.00 ft · change since yesterday -0.04 ft
Reading as of 2026-08-15 · higher than 39% of August readings on record
Where Joe Pool Lake sits historically
Today's level compared with every reading in our 37.9-year record for this lake.
Since yesterday
-0.04 ft
7-day change
-0.29 ft
30-day change
-1.04 ft
1-year change
-0.77 ft
Full pool
522.0 ft
Last 30 days
Last 12 months
Full history (37.9 years)
Joe Pool Lake records and averages
| Current level | 520.95 ft |
|---|---|
| Percent full | 95.4% |
| Storage | 144,126 acre-feet |
| Record high | 538.03 ft (2015-05-30) |
| Record low | 505.14 ft (1989-01-25) |
| Average of all readings | 521.46 ft |
| Data span | 37.9 years (12,447 readings) |
Frequently asked questions
Is Joe Pool Lake full right now?
Joe Pool Lake is at 95.4% of conservation capacity as of 2026-08-15, which we classify as near full.Over the past 30 days the level has fallen 1.04 ft.
What is the water level at Joe Pool Lake today?
The most recent reading is 520.95 ft (2026-08-15), sourced from the Texas Water Development Board. Readings on this page refresh automatically as the agency publishes new data.
What is the highest Joe Pool Lake has ever been?
The highest level in our records is 538.03 ft on 2015-05-30. The lowest is 505.14 ft on 1989-01-25. Our record covers about 37.9 years of readings.
Is Joe Pool Lake low for this time of year?
Compared with every August in our records, the current level is higher than 39% of them — near full. Seasonal comparison matters more than the raw number, because most reservoirs draw down predictably through late summer and refill over winter and spring.
Why is Joe Pool Lake low 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. Joe Pool Lake has fallen 1.04 ft over the past 30 days. For the operational reason on any given week, check the Texas Water Development Board directly.
How much has Joe Pool Lake changed over the past year?
The level is -0.77 ft compared with this date last year (520.95 ft today). The full-history chart above covers 37.9 years, with a record high of 538.03 ft and a record low of 505.14 ft.
Nearby lakes in Texas
Source: the Texas Water Development Board. Readings are provisional and subject to revision by the publishing agency. All Texas lake levels.