Lake Conroe water level today
On Oct 28, 2026, Lake Conroe is at 199.39 ft, 92.5% full (1.61 ft below full pool). That is 0.4 points below normal for this date.
Lowest since October 2023Full
Source: Texas Water Development Board · storage 386,249 of 417,577 acre-ft · provisional data
Lake Conroe percent full history
Percent full Normal range (10th–90th percentile, 1996–2025) Average
Lake Conroe from space
The same area near the lowest and the highest level since 2016, on clear days. Compare the shoreline and the coves.
Imagery: NASA GIBS, Harmonized Landsat Sentinel-2 (HLS). Landsat 8/9 courtesy of NASA/USGS. Black specks are cloud and shadow masks.
Records and key dates
- Record high
- 100.0%Dec 31, 1996
- Record low
- 65.2%Dec 3, 2011
- 12-month high
- 100.0%Jun 16, 2026
- 12-month low
- 92.5%Oct 27, 2026
- Last time full
- Jul 21, 2026
- Change in 1 year
- −0.78 ft−3.6 pts
About Lake Conroe
- River basin
- San Jacinto
- Full pool (top of conservation pool)
- 201.00 ft
- Conservation capacity
- 417,577 acre-ft
- Surface area today
- 19,024 acres
- Dead pool elevation
- 145.00 ft
- Flood control reservoir
- No
- Water supply for
- Houston
- Data since
- Oct 2, 1996
Monthly average, last 10 years
Average percent full each month.
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 95% | 95% | 95% | 95% | 97% | 99% | 99% | 97% | 94% | 94% | — | — |
| 2025 | 98% | 100% | 100% | 100% | 100% | 100% | 100% | 98% | 99% | 96% | 95% | 95% |
| 2024 | 99% | 100% | 100% | 100% | 100% | 99% | 99% | 99% | 98% | 95% | 95% | 95% |
| 2023 | 99% | 100% | 100% | 100% | 100% | 100% | 98% | 94% | 91% | 94% | 97% | 97% |
| 2022 | 95% | 98% | 99% | 100% | 100% | 98% | 95% | 92% | 92% | 89% | 89% | 93% |
| 2021 | 100% | 100% | 100% | 98% | 100% | 100% | 100% | 97% | 94% | 94% | 94% | 95% |
| 2020 | 91% | 92% | 95% | 97% | 96% | 95% | 97% | 95% | 94% | 92% | 91% | 93% |
| 2019 | 100% | 100% | 100% | 98% | 98% | 96% | 98% | 95% | 90% | 90% | 90% | 90% |
| 2018 | 100% | 100% | 100% | 100% | 100% | 99% | 99% | 95% | 91% | 97% | 100% | 100% |
| 2017 | 100% | 100% | 100% | 100% | 99% | 100% | 99% | 99% | 100% | 98% | 98% | 99% |
Frequently asked questions
Is Lake Conroe full?
Not quite. On Oct 28, 2026 Lake Conroe was 92.5% full, 1.61 feet below its full pool elevation of 201.00 ft. It was last full on Jul 21, 2026.
What is the normal level of Lake Conroe for this time of year?
Between 1996 and 2025, Lake Conroe averaged 92.9% full around Oct 28, and 8 in 10 years it was between 82.9% and 99.9%. Today it is −0.4 percentage points below that average.
What is the lowest Lake Conroe has been?
In the TWDB record, which starts in 1996, the lowest daily value was 65.2% on Dec 3, 2011. The highest was 100.0% on Dec 31, 1996.
How often is the Lake Conroe water level updated?
TWDB publishes one reading per day for each reservoir. We check for new data every 2 hours and show the date of the reading next to the level. Recent values are provisional.
What does percent full mean?
It is the water stored in the conservation pool divided by the conservation capacity (417,577 acre-feet for Lake Conroe). Water above the conservation pool is flood storage and is not counted, so a reservoir can show 100% while rising into its flood pool.