Reservoir · Texas · United States · USGS NWIS
Lake Arlington
69.1% full
Capacity
49.57 hm³
Volume stored
34 hm³
Coordinates
32.716°N, 97.193°W
Last updated
2026-09-30
Current fill
69.1%vs 7 days ago
-0.6%losing
vs 1 year ago
-18.6%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. 32.716, -97.193 · Open in Google Maps
About Lake Arlington
As of September 30, 2026, Lake Arlington is filled to 69.1% of its total capacity, holding roughly 34 hm³ of water out of a maximum 50 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 (-0.6 pts), and it is 18.6 points below its level on the same date a year earlier.
Across the readings we hold for Lake Arlington — 1461 data points between October 1, 2022 and September 30, 2026 — the level has ranged from a low of 64.0% (November 1, 2024) to a high of 105.0% (November 26, 2022). On average the reservoir is fullest around March and at its lowest around September.
It is operated by USGS primarily for multiple purposes. It lies within the Texas basin at 32.716°N, 97.193°W.
Key facts
- Current fill level
- 69.1%
- Water stored
- 34 hm³
- Total capacity
- 50 hm³
- 7-day change
- ▼ 0.6 pts
- Year-on-year
- ▼ 18.6 pts
- Primary use
- Multipurpose
- River basin
- Texas
- Operator
- USGS
- Coordinates
- 32.716°N, 97.193°W
- Last updated
- September 30, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 30 Sep 2026 | 69.1% | 34 |
| 29 Sep 2026 | 69.1% | 34 |
| 28 Sep 2026 | 69.2% | 34 |
| 27 Sep 2026 | 69.4% | 34 |
| 26 Sep 2026 | 69.5% | 34 |
| 25 Sep 2026 | 69.7% | 35 |
| 24 Sep 2026 | 69.7% | 35 |
| 23 Sep 2026 | 69.7% | 35 |
| 22 Sep 2026 | 69.7% | 35 |
| 21 Sep 2026 | 69.6% | 34 |
| 20 Sep 2026 | 69.8% | 35 |
| 19 Sep 2026 | 70.2% | 35 |