Reservoir · Texas · United States · USGS NWIS
E. V. Spence Reservoir
10.4% full
Capacity
638.05 hm³
Volume stored
66 hm³
Coordinates
31.880°N, 100.517°W
Last updated
2026-08-13
Current fill
10.4%vs 7 days ago
-0.2%losing
vs 1 year ago
-4.3%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: 2026-08-13.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 31.880, -100.517 · Open in Google Maps
About E. V. Spence Reservoir
As of August 13, 2026, E. V. Spence Reservoir is filled to 10.4% of its total capacity, holding roughly 66 hm³ of water out of a maximum 638 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 4.3 points below its level on the same date a year earlier.
Across the readings we hold for E. V. Spence Reservoir — 1461 data points between August 14, 2022 and August 13, 2026 — the level has ranged from a low of 10.4% (July 14, 2026) to a high of 20.1% (August 14, 2022). On average the reservoir is fullest around October and at its lowest around July.
It is operated by USGS primarily for multiple purposes. It lies within the Texas basin at 31.880°N, 100.517°W.
Key facts
- Current fill level
- 10.4%
- Water stored
- 66 hm³
- Total capacity
- 638 hm³
- 7-day change
- ▼ 0.2 pts
- Year-on-year
- ▼ 4.3 pts
- Primary use
- Multipurpose
- River basin
- Texas
- Operator
- USGS
- Coordinates
- 31.880°N, 100.517°W
- Last updated
- August 13, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 13 Aug 2026 | 10.4% | 66 |
| 12 Aug 2026 | 10.4% | 66 |
| 11 Aug 2026 | 10.4% | 66 |
| 10 Aug 2026 | 10.4% | 67 |
| 9 Aug 2026 | 10.5% | 67 |
| 8 Aug 2026 | 10.5% | 67 |
| 7 Aug 2026 | 10.5% | 67 |
| 6 Aug 2026 | 10.6% | 67 |
| 5 Aug 2026 | 10.6% | 68 |
| 4 Aug 2026 | 10.6% | 68 |
| 3 Aug 2026 | 10.6% | 68 |
| 2 Aug 2026 | 10.7% | 68 |
Frequently asked questions
What is the current water level of E. V. Spence Reservoir?
As of August 13, 2026, E. V. Spence Reservoir is at 10.4% of its capacity, holding approximately 66 hm³ of water, according to USGS NWIS data.
Is E. V. Spence Reservoir reservoir full?
No. As of August 13, 2026, E. V. Spence Reservoir is critically low at 10.4% of its capacity, so it is not full.
Is the water level at E. V. Spence Reservoir rising or falling?
The level at E. V. Spence Reservoir has been broadly stable over the latest week on record (-0.2 points).
How much water can E. V. Spence Reservoir hold?
E. V. Spence Reservoir has a total capacity of 638 hm³.
Where is E. V. Spence Reservoir reservoir located?
E. V. Spence Reservoir is located in Texas, United States, within the Texas basin (coordinates 31.880°N, 100.517°W).
What is E. V. Spence Reservoir used for?
E. V. Spence Reservoir is used primarily for multiple purposes, and is managed by USGS.