Reservoir · Texas · United States · USGS NWIS
Eagle Mountain Lake
80.1% full
Capacity
228.3 hm³
Volume stored
183 hm³
Coordinates
32.874°N, 97.461°W
Last updated
2026-08-12
Current fill
80.1%vs 7 days ago
-2.8%losing
vs 1 year ago
-12.7%year-over-year
7-day trend
↓falling
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. 32.874, -97.461 · Open in Google Maps
About Eagle Mountain Lake
As of August 12, 2026, Eagle Mountain Lake is filled to 80.1% of its total capacity, holding roughly 183 hm³ of water out of a maximum 228 hm³. At this level the reservoir is high.
Over the most recent week on record the fill level has fallen by 2.8 percentage points, and it is 12.7 points below its level on the same date a year earlier.
Across the readings we hold for Eagle Mountain Lake — 1458 data points between August 14, 2022 and August 12, 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
- 80.1%
- Water stored
- 183 hm³
- Total capacity
- 228 hm³
- 7-day change
- ▼ 2.8 pts
- Year-on-year
- ▼ 12.7 pts
- Primary use
- Multipurpose
- River basin
- Texas
- Operator
- USGS
- Coordinates
- 32.874°N, 97.461°W
- Last updated
- August 12, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 12 Aug 2026 | 80.1% | 183 |
| 11 Aug 2026 | 80.5% | 184 |
| 10 Aug 2026 | 80.9% | 185 |
| 9 Aug 2026 | 81.3% | 186 |
| 8 Aug 2026 | 81.7% | 187 |
| 7 Aug 2026 | 82.1% | 187 |
| 6 Aug 2026 | 82.4% | 188 |
| 5 Aug 2026 | 82.9% | 189 |
| 4 Aug 2026 | 83.3% | 190 |
| 3 Aug 2026 | 83.6% | 191 |
| 2 Aug 2026 | 84.0% | 192 |
| 1 Aug 2026 | 84.4% | 193 |
Frequently asked questions
What is the current water level of Eagle Mountain Lake?
As of August 12, 2026, Eagle Mountain Lake is at 80.1% of its capacity, holding approximately 183 hm³ of water, according to USGS NWIS data.
Is Eagle Mountain Lake reservoir full?
No. As of August 12, 2026, Eagle Mountain Lake is high at 80.1% of its capacity, so it is not full.
Is the water level at Eagle Mountain Lake rising or falling?
The level at Eagle Mountain Lake is falling — it dropped 2.8 percentage points over the latest week on record.
How much water can Eagle Mountain Lake hold?
Eagle Mountain Lake has a total capacity of 228 hm³.
Where is Eagle Mountain Lake reservoir located?
Eagle Mountain Lake is located in Texas, United States, within the Texas basin (coordinates 32.874°N, 97.461°W).
What is Eagle Mountain Lake used for?
Eagle Mountain Lake is used primarily for multiple purposes, and is managed by USGS.