Reservoir · Texas · United States · USGS NWIS
Lake Tawakoni
89.0% full
Capacity
1,095.5 hm³
Volume stored
975 hm³
Coordinates
32.809°N, 95.920°W
Last updated
2026-09-30
Current fill
89.0%vs 7 days ago
-0.8%losing
vs 1 year ago
-5.6%year-over-year
7-day trend
→stable
Data source: USGS National Water Information System (NWIS) — daily reservoir storage volume. Capacity is the design (normal full-pool) capacity from the US National Inventory of Dams (NID); fill % = current volume ÷ design capacity. Last reading: 2026-09-30.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 32.809, -95.920 · Open in Google Maps
About Lake Tawakoni
As of September 30, 2026, Lake Tawakoni is filled to 89.0% of its total capacity, holding roughly 975 hm³ of water out of a maximum 1,096 hm³. At this level the reservoir is high.
Over the most recent week on record the fill level has held broadly steady (-0.8 pts), and it is 5.6 points below its level on the same date a year earlier.
Across the readings we hold for Lake Tawakoni — 1461 data points between October 1, 2022 and September 30, 2026 — the level has ranged from a low of 81.8% (October 23, 2022) to a high of 105.0% (February 9, 2023). On average the reservoir is fullest around June and at its lowest around October.
It is operated by USGS primarily for multiple purposes. It lies within the Texas basin at 32.809°N, 95.920°W.
Key facts
- Current fill level
- 89.0%
- Water stored
- 975 hm³
- Total capacity
- 1,096 hm³
- 7-day change
- ▼ 0.8 pts
- Year-on-year
- ▼ 5.6 pts
- Primary use
- Multipurpose
- River basin
- Texas
- Operator
- USGS
- Coordinates
- 32.809°N, 95.920°W
- Last updated
- September 30, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 30 Sep 2026 | 89.0% | 975 |
| 29 Sep 2026 | 88.9% | 974 |
| 28 Sep 2026 | 89.1% | 976 |
| 27 Sep 2026 | 89.1% | 977 |
| 26 Sep 2026 | 89.3% | 978 |
| 25 Sep 2026 | 89.4% | 980 |
| 24 Sep 2026 | 89.6% | 982 |
| 23 Sep 2026 | 89.8% | 984 |
| 22 Sep 2026 | 89.9% | 985 |
| 21 Sep 2026 | 90.1% | 987 |
| 20 Sep 2026 | 90.4% | 990 |
| 19 Sep 2026 | 90.3% | 989 |