Lake Sulphur Springs Water Level
Texas · updated daily from the Texas Water Development Board
94.8% full
Lake Sulphur Springs is near full at 458.44 ft and falling (-0.19 ft in the last 7 days).
0.51 ft below full pool of 458.95 ft · change since yesterday -0.02 ft
Reading as of 2026-08-15 · higher than 65% of August readings on record
Where Lake Sulphur Springs sits historically
Today's level compared with every reading in our 27.4-year record for this lake.
Since yesterday
-0.02 ft
7-day change
-0.19 ft
30-day change
-0.81 ft
1-year change
+0.74 ft
Full pool
458.9 ft
Last 30 days
Last 12 months
Full history (27.4 years)
Lake Sulphur Springs records and averages
| Current level | 458.44 ft |
|---|---|
| Percent full | 94.8% |
| Storage | 16,817 acre-feet |
| Record high | 463.61 ft (2000-06-05) |
| Record low | 452.4 ft (2011-11-12) |
| Average of all readings | 457.95 ft |
| Data span | 27.4 years (9,956 readings) |
Frequently asked questions
Is Lake Sulphur Springs full right now?
Lake Sulphur Springs is at 94.8% of conservation capacity as of 2026-08-15, which we classify as near full.Over the past 30 days the level has fallen 0.81 ft.
What is the water level at Lake Sulphur Springs today?
The most recent reading is 458.44 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 Sulphur Springs has ever been?
The highest level in our records is 463.61 ft on 2000-06-05. The lowest is 452.4 ft on 2011-11-12. Our record covers about 27.4 years of readings.
Is Lake Sulphur Springs low for this time of year?
Compared with every August in our records, the current level is higher than 65% 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 Lake Sulphur Springs 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. Lake Sulphur Springs has fallen 0.81 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 Sulphur Springs changed over the past year?
The level is +0.74 ft compared with this date last year (458.44 ft today). The full-history chart above covers 27.4 years, with a record high of 463.61 ft and a record low of 452.4 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.