Reservoir · Virginia · United States · USACE CWMS
John H. Kerr Dam
70.7% full
Capacity
1,836.16 hm³
Volume stored
1297 hm³
Coordinates
36.597°N, 78.297°W
Last updated
2026-09-11
Current fill
70.7%vs 7 days ago
-1.5%losing
vs 1 year ago
N/A7-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: 2026-09-11.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 36.597, -78.297 · Open in Google Maps
About John H. Kerr Dam
As of September 11, 2026, John H. Kerr Dam is filled to 70.7% of its total capacity, holding roughly 1,297 hm³ of water out of a maximum 1,836 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 (-1.5 pts).
Across the readings we hold for John H. Kerr Dam — 310 data points between September 12, 2021 and September 11, 2026 — the level has ranged from a low of 70.7% (September 11, 2026) to a high of 105.0% (March 14, 2022). On average the reservoir is fullest around April and at its lowest around August.
It is operated by USACE primarily for multiple purposes. It lies within the Virginia basin at 36.597°N, 78.297°W.
Key facts
- Current fill level
- 70.7%
- Water stored
- 1,297 hm³
- Total capacity
- 1,836 hm³
- 7-day change
- ▼ 1.5 pts
- Primary use
- Multipurpose
- River basin
- Virginia
- Operator
- USACE
- Coordinates
- 36.597°N, 78.297°W
- Last updated
- September 11, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 11 Sep 2026 | 70.7% | 1,297 |
| 10 Sep 2026 | 71.0% | 1,303 |
| 9 Sep 2026 | 71.5% | 1,313 |
| 8 Sep 2026 | 71.8% | 1,318 |
| 7 Sep 2026 | 71.9% | 1,321 |
| 6 Sep 2026 | 72.0% | 1,321 |
| 5 Sep 2026 | 71.9% | 1,321 |
| 4 Sep 2026 | 72.2% | 1,325 |
| 3 Sep 2026 | 72.8% | 1,337 |
| 2 Sep 2026 | 73.3% | 1,346 |
| 1 Sep 2026 | 73.8% | 1,355 |
| 31 Aug 2026 | 73.9% | 1,357 |