Reservoir · Oklahoma · United States · USGS NWIS
Lake Eucha near Eucha, OK
83.1% full
Capacity
98.19 hm³
Volume stored
82 hm³
Coordinates
36.375°N, 94.935°W
Last updated
2026-06-11
Current fill
83.1%vs 7 days ago
+0.3%gaining
vs 1 year ago
-2.9%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. 36.375, -94.935 · Open in Google Maps
About Lake Eucha near Eucha, OK
As of June 11, 2026, Lake Eucha near Eucha, OK is filled to 83.1% of its total capacity, holding roughly 82 hm³ of water out of a maximum 98 hm³. At this level the reservoir is high.
Over the most recent week on record the fill level has held broadly steady (+0.3 pts), and it is 2.9 points below its level on the same date a year earlier.
Across the readings we hold for Lake Eucha near Eucha, OK — 1825 data points between June 13, 2021 and June 11, 2026 — the level has ranged from a low of 65.6% (February 10, 2025) to a high of 101.3% (May 5, 2022). 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 Oklahoma basin at 36.375°N, 94.935°W.
Key facts
- Current fill level
- 83.1%
- Water stored
- 82 hm³
- Total capacity
- 98 hm³
- 7-day change
- ▲ 0.3 pts
- Year-on-year
- ▼ 2.9 pts
- Primary use
- Multipurpose
- River basin
- Oklahoma
- Operator
- USGS
- Coordinates
- 36.375°N, 94.935°W
- Last updated
- June 11, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 11 Jun 2026 | 83.1% | 82 |
| 10 Jun 2026 | 82.8% | 81 |
| 9 Jun 2026 | 83.6% | 82 |
| 8 Jun 2026 | 85.9% | 84 |
| 7 Jun 2026 | 85.4% | 84 |
| 6 Jun 2026 | 85.1% | 84 |
| 5 Jun 2026 | 84.2% | 83 |
| 4 Jun 2026 | 84.3% | 83 |
| 3 Jun 2026 | 84.3% | 83 |
| 2 Jun 2026 | 84.4% | 83 |
| 1 Jun 2026 | 84.4% | 83 |
| 31 May 2026 | 84.5% | 83 |
Frequently asked questions
What is the current water level of Lake Eucha near Eucha, OK?
As of June 11, 2026, Lake Eucha near Eucha, OK is at 83.1% of its capacity, holding approximately 82 hm³ of water, according to USGS NWIS data.
Is Lake Eucha near Eucha, OK reservoir full?
No. As of June 11, 2026, Lake Eucha near Eucha, OK is high at 83.1% of its capacity, so it is not full.
Is the water level at Lake Eucha near Eucha, OK rising or falling?
The level at Lake Eucha near Eucha, OK has been broadly stable over the latest week on record (+0.3 points).
How much water can Lake Eucha near Eucha, OK hold?
Lake Eucha near Eucha, OK has a total capacity of 98 hm³.
Where is Lake Eucha near Eucha, OK reservoir located?
Lake Eucha near Eucha, OK is located in Oklahoma, United States, within the Oklahoma basin (coordinates 36.375°N, 94.935°W).
What is Lake Eucha near Eucha, OK used for?
Lake Eucha near Eucha, OK is used primarily for multiple purposes, and is managed by USGS.