Lake Cisco Water Level
Texas · updated daily from the Texas Water Development Board
44.9% full
Lake Cisco is very low at 1504.19 ft and steady (+0.03 ft in the last 7 days).
18.27 ft below full pool of 1522.46 ft · change since yesterday -0.03 ft
Reading as of 2026-08-15 · higher than 30% of August readings on record
Where Lake Cisco sits historically
Today's level compared with every reading in our 27.5-year record for this lake.
Since yesterday
-0.03 ft
7-day change
+0.03 ft
30-day change
-0.47 ft
1-year change
-3.88 ft
Full pool
1522.5 ft
Last 30 days
Last 12 months
Full history (27.5 years)
Lake Cisco records and averages
| Current level | 1504.19 ft |
|---|---|
| Percent full | 44.9% |
| Storage | 13,009 acre-feet |
| Record high | 1524.11 ft (2016-06-03) |
| Record low | 1496.18 ft (2013-07-14) |
| Average of all readings | 1509.08 ft |
| Data span | 27.5 years (10,001 readings) |
Frequently asked questions
Is Lake Cisco full right now?
Lake Cisco is at 44.9% of conservation capacity as of 2026-08-15, which we classify as very low.Over the past 30 days the level has fallen 0.47 ft.
What is the water level at Lake Cisco today?
The most recent reading is 1504.19 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 Lake Cisco has ever been?
The highest level in our records is 1524.11 ft on 2016-06-03. The lowest is 1496.18 ft on 2013-07-14. Our record covers about 27.5 years of readings.
Is Lake Cisco low for this time of year?
Compared with every August in our records, the current level is higher than 30% of them — very low. 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 Lake Cisco 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. Lake Cisco has fallen 0.47 ft over the past 30 days. For the operational reason on any given week, check the Texas Water Development Board directly.
How much has Lake Cisco changed over the past year?
The level is -3.88 ft compared with this date last year (1504.19 ft today). The full-history chart above covers 27.5 years, with a record high of 1524.11 ft and a record low of 1496.18 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.