Lake L. B. Johnson Water Level Today
Texas · At full pool
- Elevation
- 824.80 ft
- From full pool
- −0.20 ft
- Percent of pool
- 98.9%
- 24-hour change
- +0.03 ft
- 7-day change
- +0.04 ft
- Reading
- Sep 21, 2026 · TWDB
Last year at Lake L. B. Johnson
Lake L. B. Johnson is at full pool, 824.80 ft, up 0.03 ft in the last 24 hours. That puts the lake at 98.9 percent of its conservation pool.
Over the last 7 days the level held steady, and over 30 days it held steady. In the 400 days of readings on this page the high was 824.90 ft on Apr 24, 2026 and the low was 823.75 ft on Jul 17, 2026, a range of 1.15 ft.
The reading is the Texas Water Development Board gauge, taken Sep 21, 2026. This page is rebuilt once a day from the agency feed; it is not a live gauge, so during a fast rise or a scheduled release check the TWDB page for hourly values.
Lake L. B. Johnson pool elevations
| Current elevation | 824.80 ft |
|---|---|
| Full pool (top of conservation) | 825.00 ft |
| Bottom of conservation pool | 793.40 ft |
| Conservation capacity | 112,778 acre-ft |
| Surface area at full pool | 6,413 acres |
| 30-day change | −0.01 ft |
| 1-year high | 824.90 ft (Apr 24, 2026) |
| 1-year low | 823.75 ft (Jul 17, 2026) |
| Operating agency | Texas Water Development Board |
Source: Texas Water Development Board. Read what full pool and flood pool mean.
More lakes in Texas
- Canyon Lake 908.33 ft, −0.67 ft from full
- Lake Travis 675.59 ft, −5.41 ft from full
- Lake Texoma 615.33 ft, −1.17 ft from full
- Medina Lake 1,020.96 ft, −43.24 ft from full
- Lake Buchanan 1,018.51 ft, −1.49 ft from full
- Elephant Butte Lake 4,275.92 ft, −129.67 ft from full
Lake L. B. Johnson level questions
What is the water level of Lake L. B. Johnson today?
Lake L. B. Johnson is at 824.80 ft as of Sep 21, 2026, −0.20 ft relative to full pool (825.00 ft). The 24-hour change is +0.03 ft.
What is full pool at Lake L. B. Johnson?
Full pool, the top of the conservation pool, is 825.00 ft. The bottom of the conservation pool is 793.40 ft.
Is Lake L. B. Johnson rising or falling?
Over the last 24 hours the level is +0.03 ft; over 7 days it held steady, and over 30 days it held steady.
Where does this Lake L. B. Johnson level come from?
From the Texas Water Development Board (TWDB) public data feed for Lake L. B. Johnson. Lake Levels Today republishes the agency's daily value without adjustment and links to the source below.