Reservoir · Oklahoma · United States · USGS NWIS
Lake Altus at Lugert, OK
25.1% full
Capacity
165.9 hm³
Volume stored
42 hm³
Coordinates
34.886°N, 99.296°W
Last updated
2026-06-11
Current fill
25.1%vs 7 days ago
+0.2%gaining
vs 1 year ago
-1.0%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: 2026-06-11.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 34.886, -99.296 · Open in Google Maps
About Lake Altus at Lugert, OK
As of June 11, 2026, Lake Altus at Lugert, OK is filled to 25.1% of its total capacity, holding roughly 42 hm³ of water out of a maximum 166 hm³. At this level the reservoir is low.
Over the most recent week on record the fill level has held broadly steady (+0.2 pts), and it is 1.0 points below its level on the same date a year earlier.
Across the readings we hold for Lake Altus at Lugert, OK — 1825 data points between June 13, 2021 and June 11, 2026 — the level has ranged from a low of 15.5% (November 23, 2021) to a high of 74.7% (July 5, 2025). On average the reservoir is fullest around July and at its lowest around October.
It is operated by USGS primarily for multiple purposes. It lies within the Oklahoma basin at 34.886°N, 99.296°W.
Key facts
- Current fill level
- 25.1%
- Water stored
- 42 hm³
- Total capacity
- 166 hm³
- 7-day change
- ▲ 0.2 pts
- Year-on-year
- ▼ 1.0 pts
- Primary use
- Multipurpose
- River basin
- Oklahoma
- Operator
- USGS
- Coordinates
- 34.886°N, 99.296°W
- Last updated
- June 11, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 11 Jun 2026 | 25.1% | 42 |
| 10 Jun 2026 | 24.9% | 41 |
| 9 Jun 2026 | 25.0% | 41 |
| 8 Jun 2026 | 25.1% | 42 |
| 7 Jun 2026 | 25.1% | 42 |
| 6 Jun 2026 | 25.2% | 42 |
| 5 Jun 2026 | 25.2% | 42 |
| 4 Jun 2026 | 24.8% | 41 |
| 3 Jun 2026 | 24.9% | 41 |
| 2 Jun 2026 | 25.0% | 42 |
| 1 Jun 2026 | 25.0% | 41 |
| 31 May 2026 | 25.1% | 42 |
Frequently asked questions
What is the current water level of Lake Altus at Lugert, OK?
As of June 11, 2026, Lake Altus at Lugert, OK is at 25.1% of its capacity, holding approximately 42 hm³ of water, according to USGS NWIS data.
Is Lake Altus at Lugert, OK reservoir full?
No. As of June 11, 2026, Lake Altus at Lugert, OK is low at 25.1% of its capacity, so it is not full.
Is the water level at Lake Altus at Lugert, OK rising or falling?
The level at Lake Altus at Lugert, OK has been broadly stable over the latest week on record (+0.2 points).
How much water can Lake Altus at Lugert, OK hold?
Lake Altus at Lugert, OK has a total capacity of 166 hm³.
Where is Lake Altus at Lugert, OK reservoir located?
Lake Altus at Lugert, OK is located in Oklahoma, United States, within the Oklahoma basin (coordinates 34.886°N, 99.296°W).
What is Lake Altus at Lugert, OK used for?
Lake Altus at Lugert, OK is used primarily for multiple purposes, and is managed by USGS.