Reservoir · Texas · United States · USGS NWIS
Greenbelt Lake
6.1% full
Capacity
73.76 hm³
Volume stored
5 hm³
Coordinates
35.001°N, 100.895°W
Last updated
2026-08-12
Current fill
6.1%vs 7 days ago
-0.2%losing
vs 1 year ago
-4.1%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: 2026-08-12.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 35.001, -100.895 · Open in Google Maps
About Greenbelt Lake
As of August 12, 2026, Greenbelt Lake is filled to 6.1% of its total capacity, holding roughly 5 hm³ of water out of a maximum 74 hm³. At this level the reservoir is critically low.
Over the most recent week on record the fill level has held broadly steady (-0.2 pts), and it is 4.1 points below its level on the same date a year earlier.
Across the readings we hold for Greenbelt Lake — 1446 data points between August 14, 2022 and August 12, 2026 — the level has ranged from a low of 6.1% (August 11, 2026) to a high of 14.4% (August 14, 2022). On average the reservoir is fullest around September and at its lowest around April.
It is operated by USGS primarily for multiple purposes. It lies within the Texas basin at 35.001°N, 100.895°W.
Key facts
- Current fill level
- 6.1%
- Water stored
- 5 hm³
- Total capacity
- 74 hm³
- 7-day change
- ▼ 0.2 pts
- Year-on-year
- ▼ 4.1 pts
- Primary use
- Multipurpose
- River basin
- Texas
- Operator
- USGS
- Coordinates
- 35.001°N, 100.895°W
- Last updated
- August 12, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 12 Aug 2026 | 6.1% | 4 |
| 11 Aug 2026 | 6.1% | 5 |
| 10 Aug 2026 | 6.2% | 5 |
| 9 Aug 2026 | 6.2% | 5 |
| 8 Aug 2026 | 6.2% | 5 |
| 7 Aug 2026 | 6.3% | 5 |
| 6 Aug 2026 | 6.3% | 5 |
| 5 Aug 2026 | 6.3% | 5 |
| 4 Aug 2026 | 6.3% | 5 |
| 3 Aug 2026 | 6.3% | 5 |
| 2 Aug 2026 | 6.4% | 5 |
| 1 Aug 2026 | 6.4% | 5 |
Frequently asked questions
What is the current water level of Greenbelt Lake?
As of August 12, 2026, Greenbelt Lake is at 6.1% of its capacity, holding approximately 5 hm³ of water, according to USGS NWIS data.
Is Greenbelt Lake reservoir full?
No. As of August 12, 2026, Greenbelt Lake is critically low at 6.1% of its capacity, so it is not full.
Is the water level at Greenbelt Lake rising or falling?
The level at Greenbelt Lake has been broadly stable over the latest week on record (-0.2 points).
How much water can Greenbelt Lake hold?
Greenbelt Lake has a total capacity of 74 hm³.
Where is Greenbelt Lake reservoir located?
Greenbelt Lake is located in Texas, United States, within the Texas basin (coordinates 35.001°N, 100.895°W).
What is Greenbelt Lake used for?
Greenbelt Lake is used primarily for multiple purposes, and is managed by USGS.

