Reservoir · Texas · United States · TWDB
Lake Bonham
77.2% full
Capacity
13.6 hm³
Volume stored
11 hm³
Vs month average
99% of normal
Coordinates
33.645°N, 96.164°W
Last updated
2026-10-14
Current fill
77.2%vs 7 days ago
-0.9%losing
vs 1 year ago
-0.8%year-over-year
7-day trend
→stable
Drought context
Storage vs October average
99%of normal
77.2% full on 2026-10-14, against an average of 77.8% for October across 5 years of readings (-0.6 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: 2026-10-14.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
About Lake Bonham
As of October 14, 2026, Lake Bonham is filled to 77.2% of its total capacity, holding roughly 11 hm³ of water out of a maximum 14 hm³. At this level the reservoir is within its normal operating range.
Over the most recent week on record the fill level has held broadly steady (-0.9 pts), and it sits close to where it was a year earlier.
Across the readings we hold for Lake Bonham — 1461 data points between October 15, 2022 and October 14, 2026 — the level has ranged from a low of 69.2% (December 13, 2024) to a high of 100.0% (November 25, 2022). 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 33.645°N, 96.164°W.
Key facts
- Current fill level
- 77.2%
- Water stored
- 11 hm³
- Total capacity
- 14 hm³
- 7-day change
- ▼ 0.9 pts
- Year-on-year
- ▼ 0.8 pts
- Primary use
- Multipurpose
- River basin
- Texas
- Operator
- TWDB
- Coordinates
- 33.645°N, 96.164°W
- Last updated
- October 14, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 14 Oct 2026 | 77.2% | 11 |
| 13 Oct 2026 | 77.3% | 11 |
| 12 Oct 2026 | 77.4% | 11 |
| 11 Oct 2026 | 77.6% | 11 |
| 10 Oct 2026 | 77.7% | 11 |
| 9 Oct 2026 | 77.9% | 11 |
| 8 Oct 2026 | 78.0% | 11 |
| 7 Oct 2026 | 78.1% | 11 |
| 6 Oct 2026 | 78.3% | 11 |
| 5 Oct 2026 | 78.5% | 11 |
| 4 Oct 2026 | 78.6% | 11 |
| 3 Oct 2026 | 78.6% | 11 |