Reservoir · Texas · United States · TWDB
Houston County Lake
94.6% full
Capacity
21.11 hm³
Volume stored
20 hm³
Vs month average
102% of normal
Coordinates
31.407°N, 95.602°W
Last updated
2026-10-13
Current fill
94.6%vs 7 days ago
-0.3%losing
vs 1 year ago
-3.8%year-over-year
7-day trend
→stable
Drought context
Storage vs October average
102%of normal
94.6% full on 2026-10-13, against an average of 92.3% for October across 5 years of readings (+2.3 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 Houston County Lake
As of October 13, 2026, Houston County Lake is filled to 94.6% of its total capacity, holding roughly 20 hm³ of water out of a maximum 21 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 3.8 points below its level on the same date a year earlier.
Across the readings we hold for Houston County Lake — 1460 data points between October 15, 2022 and October 13, 2026 — the level has ranged from a low of 82.1% (October 25, 2022) to a high of 100.0% (January 28, 2023). On average the reservoir is fullest around February and at its lowest around October.
It is operated by TWDB primarily for multiple purposes. It lies within the Texas basin at 31.407°N, 95.602°W.
Key facts
- Current fill level
- 94.6%
- Water stored
- 20 hm³
- Total capacity
- 21 hm³
- 7-day change
- ▼ 0.3 pts
- Year-on-year
- ▼ 3.8 pts
- Primary use
- Multipurpose
- River basin
- Texas
- Operator
- TWDB
- Coordinates
- 31.407°N, 95.602°W
- Last updated
- October 13, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 13 Oct 2026 | 94.6% | 20 |
| 12 Oct 2026 | 94.6% | 20 |
| 11 Oct 2026 | 94.6% | 20 |
| 10 Oct 2026 | 94.7% | 20 |
| 9 Oct 2026 | 94.8% | 20 |
| 8 Oct 2026 | 94.9% | 20 |
| 7 Oct 2026 | 94.9% | 20 |
| 6 Oct 2026 | 94.9% | 20 |
| 5 Oct 2026 | 94.9% | 20 |
| 4 Oct 2026 | 94.6% | 20 |
| 3 Oct 2026 | 94.6% | 20 |
| 2 Oct 2026 | 94.4% | 20 |