Reservoir · Texas · United States · TWDB
Whitney Lake
91.6% full
Capacity
696.68 hm³
Volume stored
638 hm³
Vs month average
105% of normal
Coordinates
31.865°N, 97.372°W
Last updated
2026-10-13
Current fill
91.6%vs 7 days ago
-0.3%losing
vs 1 year ago
-4.4%year-over-year
7-day trend
→stable
Drought context
Storage vs October average
105%of normal
91.6% full on 2026-10-13, against an average of 87.0% for October across 5 years of readings (+4.6 points).
Data source: Texas Water Development Board (Water Data for Texas) — daily reservoir storage volume. Design capacity is unavailable for this site, so fill % is estimated against the 5-year maximum storage and may overstate fullness. Last reading: 2026-10-13.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
About Whitney Lake
As of October 13, 2026, Whitney Lake is filled to 91.6% of its total capacity, holding roughly 638 hm³ of water out of a maximum 697 hm³. At this level the reservoir is high.
Over the most recent week on record the fill level has held broadly steady (-0.3 pts), and it is 4.4 points below its level on the same date a year earlier.
Across the readings we hold for Whitney Lake — 1460 data points between October 15, 2022 and October 13, 2026 — the level has ranged from a low of 71.0% (October 21, 2023) to a high of 100.0% (December 27, 2023). On average the reservoir is fullest around June and at its lowest around October.
It is operated by TWDB primarily for multiple purposes. It lies within the Texas basin at 31.865°N, 97.372°W.
Key facts
- Current fill level
- 91.6%
- Water stored
- 638 hm³
- Total capacity
- 697 hm³
- 7-day change
- ▼ 0.3 pts
- Year-on-year
- ▼ 4.4 pts
- Primary use
- Multipurpose
- River basin
- Texas
- Operator
- TWDB
- Coordinates
- 31.865°N, 97.372°W
- Last updated
- October 13, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 13 Oct 2026 | 91.6% | 638 |
| 12 Oct 2026 | 91.6% | 638 |
| 11 Oct 2026 | 91.6% | 638 |
| 10 Oct 2026 | 91.8% | 640 |
| 9 Oct 2026 | 91.9% | 640 |
| 8 Oct 2026 | 91.9% | 640 |
| 7 Oct 2026 | 91.9% | 640 |
| 6 Oct 2026 | 91.9% | 640 |
| 5 Oct 2026 | 91.8% | 640 |
| 4 Oct 2026 | 91.5% | 637 |
| 3 Oct 2026 | 91.3% | 636 |
| 2 Oct 2026 | 90.8% | 632 |