Canyon Lake Water Level
Texas · updated daily from the Texas Water Development Board
100.0% full
Canyon Lake is full at 909.83 ft and falling (-0.31 ft in the last 7 days).
0.83 ft above full pool of 909.00 ft · change since yesterday -0.03 ft
Reading as of 2026-08-15 · higher than 88% of August readings on record
Where Canyon Lake sits historically
Today's level compared with every reading in our 37.9-year record for this lake.
Since yesterday
-0.03 ft
7-day change
-0.31 ft
30-day change
+16.64 ft
1-year change
+17.27 ft
Full pool
909.0 ft
Last 30 days
Last 12 months
Full history (37.9 years)
Canyon Lake records and averages
| Current level | 909.83 ft |
|---|---|
| Percent full | 100.0% |
| Storage | 385,728 acre-feet |
| Record high | 949.01 ft (2002-07-06) |
| Record low | 876.96 ft (2025-05-26) |
| Average of all readings | 905.23 ft |
| Data span | 37.9 years (13,586 readings) |
Frequently asked questions
Is Canyon Lake full right now?
Canyon Lake is at 100.0% of conservation capacity as of 2026-08-15, which we classify as full.Over the past 30 days the level has risen 16.64 ft.
What is the water level at Canyon Lake today?
The most recent reading is 909.83 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 Canyon Lake has ever been?
The highest level in our records is 949.01 ft on 2002-07-06. The lowest is 876.96 ft on 2025-05-26. Our record covers about 37.9 years of readings.
Is Canyon Lake low for this time of year?
Compared with every August in our records, the current level is higher than 88% of them — 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 Canyon 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. Canyon Lake has risen 16.64 ft over the past 30 days. For the operational reason on any given week, check the Texas Water Development Board directly.
How much has Canyon Lake changed over the past year?
The level is +17.27 ft compared with this date last year (909.83 ft today). The full-history chart above covers 37.9 years, with a record high of 949.01 ft and a record low of 876.96 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.