Reservoir · West Virginia · United States · USACE CWMS
Summersville Lake
93.4% full
Capacity
236.26 hm³
Volume stored
221 hm³
Coordinates
38.223°N, 80.890°W
Last updated
2026-07-30
Current fill
93.4%vs 7 days ago
-0.1%losing
vs 1 year ago
+4.2%year-over-year
7-day trend
→stable
Data source: USACE CWMS — US Army Corps of Engineers — 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: 2026-07-30.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 38.223, -80.890 · Open in Google Maps
About Summersville Lake
As of July 30, 2026, Summersville Lake is filled to 93.4% of its total capacity, holding roughly 221 hm³ of water out of a maximum 236 hm³. At this level the reservoir is high.
Over the most recent week on record the fill level has held broadly steady (-0.1 pts), and it is 4.2 points above its level on the same date a year earlier.
Across the readings we hold for Summersville Lake — 100 data points between July 31, 2021 and July 30, 2026 — the level has ranged from a low of 85.5% (September 20, 2021) to a high of 95.0% (September 2, 2021).
It is operated by USACE primarily for multiple purposes. It lies within the West Virginia basin at 38.223°N, 80.890°W.
Key facts
- Current fill level
- 93.4%
- Water stored
- 221 hm³
- Total capacity
- 236 hm³
- 7-day change
- ▼ 0.1 pts
- Year-on-year
- ▲ 4.2 pts
- Primary use
- Multipurpose
- River basin
- West Virginia
- Operator
- USACE
- Coordinates
- 38.223°N, 80.890°W
- Last updated
- July 30, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 30 Jul 2026 | 93.4% | 221 |
| 29 Jul 2026 | 93.5% | 221 |
| 28 Jul 2026 | 93.4% | 221 |
| 27 Jul 2026 | 93.3% | 221 |
| 26 Jul 2026 | 93.3% | 220 |
| 25 Jul 2026 | 93.2% | 220 |
| 24 Jul 2026 | 93.2% | 220 |
| 23 Jul 2026 | 93.3% | 220 |
| 22 Jul 2026 | 93.6% | 221 |
| 21 Jul 2026 | 93.4% | 221 |
| 20 Jul 2026 | 93.6% | 221 |
| 19 Jul 2026 | 93.5% | 221 |
Frequently asked questions
What is the current water level of Summersville Lake?
As of July 30, 2026, Summersville Lake is at 93.4% of its capacity, holding approximately 221 hm³ of water, according to USACE CWMS (US Army Corps of Engineers) data.
Is Summersville Lake reservoir full?
No. As of July 30, 2026, Summersville Lake is high at 93.4% of its capacity, so it is not full.
Is the water level at Summersville Lake rising or falling?
The level at Summersville Lake has been broadly stable over the latest week on record (-0.1 points).
How much water can Summersville Lake hold?
Summersville Lake has a total capacity of 236 hm³.
Where is Summersville Lake reservoir located?
Summersville Lake is located in West Virginia, United States, within the West Virginia basin (coordinates 38.223°N, 80.890°W).
What is Summersville Lake used for?
Summersville Lake is used primarily for multiple purposes, and is managed by USACE.