Reservoir · Texas · United States · TWDB
Mackenzie Reservoir
10.8% full
Capacity
57.3 hm³
Volume stored
6 hm³
Vs month average
109% of normal
Coordinates
34.545°N, 101.438°W
Last updated
2026-10-13
Current fill
10.8%vs 7 days ago
-0.1%losing
vs 1 year ago
-2.3%year-over-year
7-day trend
→stable
Drought context
Storage vs October average
109%of normal
10.8% full on 2026-10-13, against an average of 9.9% for October across 5 years of readings (+0.9 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 Mackenzie Reservoir
As of October 13, 2026, Mackenzie Reservoir is filled to 10.8% of its total capacity, holding roughly 6 hm³ of water out of a maximum 57 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 2.3 points below its level on the same date a year earlier.
Across the readings we hold for Mackenzie Reservoir — 1460 data points between October 15, 2022 and October 13, 2026 — the level has ranged from a low of 5.8% (April 20, 2023) to a high of 13.9% (July 15, 2025). On average the reservoir is fullest around July and at its lowest around April.
It is operated by TWDB primarily for multiple purposes. It lies within the Texas basin at 34.545°N, 101.438°W.
Key facts
- Current fill level
- 10.8%
- Water stored
- 6 hm³
- Total capacity
- 57 hm³
- 7-day change
- ▼ 0.1 pts
- Year-on-year
- ▼ 2.3 pts
- Primary use
- Multipurpose
- River basin
- Texas
- Operator
- TWDB
- Coordinates
- 34.545°N, 101.438°W
- Last updated
- October 13, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 13 Oct 2026 | 10.8% | 6 |
| 12 Oct 2026 | 10.8% | 6 |
| 11 Oct 2026 | 10.8% | 6 |
| 10 Oct 2026 | 10.9% | 6 |
| 9 Oct 2026 | 10.9% | 6 |
| 8 Oct 2026 | 10.9% | 6 |
| 7 Oct 2026 | 10.9% | 6 |
| 6 Oct 2026 | 10.9% | 6 |
| 5 Oct 2026 | 10.9% | 6 |
| 4 Oct 2026 | 10.9% | 6 |
| 3 Oct 2026 | 10.9% | 6 |
| 2 Oct 2026 | 10.9% | 6 |