Reservoir · Texas · United States · USGS NWIS
E. V. Spence Reservoir
9.2% full
Capacity
638.05 hm³
Volume stored
58 hm³
Vs month average
59% of normal
Coordinates
31.880°N, 100.517°W
Last updated
2026-10-14
Current fill
9.2%vs 7 days ago
-0.1%losing
vs 1 year ago
-4.2%year-over-year
7-day trend
→stable
Drought context
Storage vs October average
59%of normal
9.2% full on 2026-10-14, against an average of 15.5% for October across 5 years of readings (-6.3 points).
Drought Monitor at this site · 13 October 2026
D2severe drought
The ground at E. V. Spence Reservoir's coordinates falls inside the D2 area of the weekly U.S. Drought Monitor map. That describes local conditions — rainfall, soil moisture, streamflow — not the reservoir's storage. Texas drought figures →
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: 2026-10-14.
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 October 14, 2026, E. V. Spence Reservoir is filled to 9.2% of its total capacity, holding roughly 58 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 (-0.1 pts), and it is 4.2 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 October 15, 2022 and October 14, 2026 — the level has ranged from a low of 9.1% (October 13, 2026) to a high of 19.2% (October 15, 2022). On average the reservoir is fullest around November and at its lowest around August.
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
- 9.2%
- Water stored
- 58 hm³
- Total capacity
- 638 hm³
- 7-day change
- ▼ 0.1 pts
- Year-on-year
- ▼ 4.2 pts
- Primary use
- Multipurpose
- River basin
- Texas
- Operator
- USGS
- Coordinates
- 31.880°N, 100.517°W
- Last updated
- October 14, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 14 Oct 2026 | 9.2% | 58 |
| 13 Oct 2026 | 9.1% | 58 |
| 12 Oct 2026 | 9.2% | 58 |
| 11 Oct 2026 | 9.2% | 59 |
| 10 Oct 2026 | 9.2% | 59 |
| 9 Oct 2026 | 9.2% | 59 |
| 8 Oct 2026 | 9.3% | 59 |
| 7 Oct 2026 | 9.3% | 59 |
| 6 Oct 2026 | 9.3% | 59 |
| 5 Oct 2026 | 9.3% | 59 |
| 4 Oct 2026 | 9.3% | 59 |
| 3 Oct 2026 | 9.3% | 59 |