Reservoir · Texas · United States · TWDB
Grapevine Lake
92.3% full
Capacity
201.14 hm³
Volume stored
186 hm³
Vs month average
100% of normal
Coordinates
32.973°N, 97.056°W
Last updated
2026-10-13
Current fill
92.3%vs 7 days ago
-1.2%losing
vs 1 year ago
-2.6%year-over-year
7-day trend
→stable
Drought context
Storage vs October average
100%of normal
92.3% full on 2026-10-13, against an average of 92.1% for October across 5 years of readings (+0.2 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 Grapevine Lake
As of October 13, 2026, Grapevine Lake is filled to 92.3% of its total capacity, holding roughly 186 hm³ of water out of a maximum 201 hm³. At this level the reservoir is high.
Over the most recent week on record the fill level has held broadly steady (-1.2 pts), and it is 2.6 points below its level on the same date a year earlier.
Across the readings we hold for Grapevine Lake — 1460 data points between October 15, 2022 and October 13, 2026 — the level has ranged from a low of 80.1% (October 23, 2023) to a high of 100.0% (October 31, 2022). On average the reservoir is fullest around April and at its lowest around October.
It is operated by TWDB primarily for multiple purposes. It lies within the Texas basin at 32.973°N, 97.056°W.
Key facts
- Current fill level
- 92.3%
- Water stored
- 186 hm³
- Total capacity
- 201 hm³
- 7-day change
- ▼ 1.2 pts
- Year-on-year
- ▼ 2.6 pts
- Primary use
- Multipurpose
- River basin
- Texas
- Operator
- TWDB
- Coordinates
- 32.973°N, 97.056°W
- Last updated
- October 13, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 13 Oct 2026 | 92.3% | 186 |
| 12 Oct 2026 | 92.5% | 186 |
| 11 Oct 2026 | 92.6% | 186 |
| 10 Oct 2026 | 93.0% | 187 |
| 9 Oct 2026 | 93.3% | 188 |
| 8 Oct 2026 | 93.3% | 188 |
| 7 Oct 2026 | 93.4% | 188 |
| 6 Oct 2026 | 93.5% | 188 |
| 5 Oct 2026 | 93.3% | 188 |
| 4 Oct 2026 | 92.8% | 187 |
| 3 Oct 2026 | 92.5% | 186 |
| 2 Oct 2026 | 92.3% | 186 |