Reservoir · Texas · United States · TWDB
Lake Austin
96.7% full
Capacity
29.57 hm³
Volume stored
29 hm³
Vs month average
101% of normal
Coordinates
30.315°N, 97.786°W
Last updated
2026-10-14
Current fill
96.7%vs 7 days ago
+1.0%gaining
vs 1 year ago
+0.3%year-over-year
7-day trend
→stable
Drought context
Storage vs October average
101%of normal
96.7% full on 2026-10-14, against an average of 95.8% 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: 2026-10-14.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
About Lake Austin
As of October 14, 2026, Lake Austin is filled to 96.7% of its total capacity, holding roughly 29 hm³ of water out of a maximum 30 hm³. At this level the reservoir is high.
Over the most recent week on record the fill level has held broadly steady (+1.0 pts), and it sits close to where it was a year earlier.
Across the readings we hold for Lake Austin — 1461 data points between October 15, 2022 and October 14, 2026 — the level has ranged from a low of 93.8% (May 8, 2024) to a high of 98.8% (January 26, 2024). On average the reservoir is fullest around January and at its lowest around March.
It is operated by TWDB primarily for multiple purposes. It lies within the Texas basin at 30.315°N, 97.786°W.
Key facts
- Current fill level
- 96.7%
- Water stored
- 29 hm³
- Total capacity
- 30 hm³
- 7-day change
- ▲ 1.0 pts
- Year-on-year
- ▲ 0.3 pts
- Primary use
- Multipurpose
- River basin
- Texas
- Operator
- TWDB
- Coordinates
- 30.315°N, 97.786°W
- Last updated
- October 14, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 14 Oct 2026 | 96.7% | 29 |
| 13 Oct 2026 | 96.5% | 29 |
| 12 Oct 2026 | 96.7% | 29 |
| 11 Oct 2026 | 96.0% | 28 |
| 10 Oct 2026 | 95.9% | 28 |
| 9 Oct 2026 | 96.0% | 28 |
| 8 Oct 2026 | 96.0% | 28 |
| 7 Oct 2026 | 95.7% | 28 |
| 6 Oct 2026 | 96.1% | 28 |
| 5 Oct 2026 | 96.6% | 29 |
| 4 Oct 2026 | 96.1% | 28 |
| 3 Oct 2026 | 95.6% | 28 |