Reservoir · Texas · United States · TWDB
Moss Lake
99.0% full
Capacity
29.68 hm³
Volume stored
29 hm³
Vs month average
110% of normal
Coordinates
33.774°N, 97.214°W
Last updated
2026-10-13
Current fill
99.0%vs 7 days ago
-1.0%losing
vs 1 year ago
+7.4%year-over-year
7-day trend
→stable
Drought context
Storage vs October average
110%of normal
99.0% full on 2026-10-13, against an average of 90.4% for October across 5 years of readings (+8.6 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: 2026-10-13.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
About Moss Lake
As of October 13, 2026, Moss Lake is filled to 99.0% 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 is 7.4 points above its level on the same date a year earlier.
Across the readings we hold for Moss Lake — 1460 data points between October 15, 2022 and October 13, 2026 — the level has ranged from a low of 86.7% (October 30, 2024) to a high of 100.0% (March 9, 2023). On average the reservoir is fullest around June and at its lowest around November.
It is operated by TWDB primarily for multiple purposes. It lies within the Texas basin at 33.774°N, 97.214°W.
Key facts
- Current fill level
- 99.0%
- Water stored
- 29 hm³
- Total capacity
- 30 hm³
- 7-day change
- ▼ 1.0 pts
- Year-on-year
- ▲ 7.4 pts
- Primary use
- Multipurpose
- River basin
- Texas
- Operator
- TWDB
- Coordinates
- 33.774°N, 97.214°W
- Last updated
- October 13, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 13 Oct 2026 | 99.0% | 29 |
| 12 Oct 2026 | 99.1% | 29 |
| 11 Oct 2026 | 99.2% | 29 |
| 10 Oct 2026 | 99.4% | 29 |
| 9 Oct 2026 | 99.6% | 30 |
| 8 Oct 2026 | 99.8% | 30 |
| 7 Oct 2026 | 100.0% | 30 |
| 6 Oct 2026 | 100.0% | 30 |
| 5 Oct 2026 | 100.0% | 30 |
| 4 Oct 2026 | 100.0% | 30 |
| 3 Oct 2026 | 100.0% | 30 |
| 2 Oct 2026 | 100.0% | 30 |