Reservoir · Texas · United States · TWDB
O. C. Fisher Lake
10.6% full
Capacity
142.77 hm³
Volume stored
15 hm³
Vs month average
156% of normal
Coordinates
31.485°N, 100.482°W
Last updated
2026-10-14
Current fill
10.6%vs 7 days ago
-0.1%losing
vs 1 year ago
-5.3%year-over-year
7-day trend
→stable
Drought context
Storage vs October average
156%of normal
10.6% full on 2026-10-14, against an average of 6.8% for October across 5 years of readings (+3.8 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: 2026-10-14.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
About O. C. Fisher Lake
As of October 14, 2026, O. C. Fisher Lake is filled to 10.6% of its total capacity, holding roughly 15 hm³ of water out of a maximum 143 hm³. At this level the reservoir is critically low.
Over the most recent week on record the fill level has held broadly steady (-0.1 pts), and it is 5.3 points below its level on the same date a year earlier.
Across the readings we hold for O. C. Fisher Lake — 1396 data points between October 15, 2022 and October 14, 2026 — the level has ranged from a low of 0.0% (June 30, 2024) to a high of 19.4% (July 6, 2025). On average the reservoir is fullest around September and at its lowest around November.
It is operated by TWDB primarily for multiple purposes. It lies within the Texas basin at 31.485°N, 100.482°W.
Key facts
- Current fill level
- 10.6%
- Water stored
- 15 hm³
- Total capacity
- 143 hm³
- 7-day change
- ▼ 0.1 pts
- Year-on-year
- ▼ 5.3 pts
- Primary use
- Multipurpose
- River basin
- Texas
- Operator
- TWDB
- Coordinates
- 31.485°N, 100.482°W
- Last updated
- October 14, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 14 Oct 2026 | 10.6% | 15 |
| 13 Oct 2026 | 10.6% | 15 |
| 12 Oct 2026 | 10.6% | 15 |
| 11 Oct 2026 | 10.6% | 15 |
| 10 Oct 2026 | 10.7% | 15 |
| 9 Oct 2026 | 10.7% | 15 |
| 8 Oct 2026 | 10.7% | 15 |
| 7 Oct 2026 | 10.7% | 15 |
| 6 Oct 2026 | 10.8% | 15 |
| 5 Oct 2026 | 10.8% | 15 |
| 4 Oct 2026 | 10.8% | 15 |
| 3 Oct 2026 | 10.8% | 15 |