Reservoir · Texas · United States · USGS NWIS
Eagle Mountain Lake
70.9% full
Capacity
228.3 hm³
Volume stored
162 hm³
Coordinates
32.874°N, 97.461°W
Last updated
2026-09-30
Current fill
70.9%vs 7 days ago
-0.9%losing
vs 1 year ago
-18.2%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. 32.874, -97.461 · Open in Google Maps
About Eagle Mountain Lake
As of September 30, 2026, Eagle Mountain Lake is filled to 70.9% of its total capacity, holding roughly 162 hm³ of water out of a maximum 228 hm³. At this level the reservoir is within its normal operating range.
Over the most recent week on record the fill level has held broadly steady (-0.9 pts), and it is 18.2 points below its level on the same date a year earlier.
Across the readings we hold for Eagle Mountain Lake — 1459 data points between October 1, 2022 and September 30, 2026 — the level has ranged from a low of 60.4% (October 22, 2023) to a high of 104.2% (May 7, 2025). 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 32.874°N, 97.461°W.
Key facts
- Current fill level
- 70.9%
- Water stored
- 162 hm³
- Total capacity
- 228 hm³
- 7-day change
- ▼ 0.9 pts
- Year-on-year
- ▼ 18.2 pts
- Primary use
- Multipurpose
- River basin
- Texas
- Operator
- USGS
- Coordinates
- 32.874°N, 97.461°W
- Last updated
- September 30, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 30 Sep 2026 | 70.9% | 162 |
| 29 Sep 2026 | 71.0% | 162 |
| 28 Sep 2026 | 71.1% | 162 |
| 27 Sep 2026 | 71.2% | 163 |
| 26 Sep 2026 | 71.3% | 163 |
| 25 Sep 2026 | 71.5% | 163 |
| 24 Sep 2026 | 71.6% | 163 |
| 23 Sep 2026 | 71.8% | 164 |
| 22 Sep 2026 | 72.0% | 164 |
| 21 Sep 2026 | 72.1% | 165 |
| 20 Sep 2026 | 72.2% | 165 |
| 19 Sep 2026 | 72.5% | 165 |