Reservoir · Virginia · United States · USACE CWMS
John H. Kerr Dam
83.1% full
Capacity
1,836.16 hm³
Volume stored
1526 hm³
Coordinates
36.597°N, 78.297°W
Last updated
2026-07-30
Current fill
83.1%vs 7 days ago
-0.3%losing
vs 1 year ago
-14.9%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. 36.597, -78.297 · Open in Google Maps
About John H. Kerr Dam
As of July 30, 2026, John H. Kerr Dam is filled to 83.1% of its total capacity, holding roughly 1,526 hm³ of water out of a maximum 1,836 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 14.9 points below its level on the same date a year earlier.
Across the readings we hold for John H. Kerr Dam — 311 data points between July 31, 2021 and July 30, 2026 — the level has ranged from a low of 83.1% (July 30, 2026) to a high of 102.8% (April 10, 2026). On average the reservoir is fullest around April and at its lowest around July.
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
- 83.1%
- Water stored
- 1,526 hm³
- Total capacity
- 1,836 hm³
- 7-day change
- ▼ 0.3 pts
- Year-on-year
- ▼ 14.9 pts
- Primary use
- Multipurpose
- River basin
- Virginia
- Operator
- USACE
- Coordinates
- 36.597°N, 78.297°W
- Last updated
- July 30, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 30 Jul 2026 | 83.1% | 1,526 |
| 29 Jul 2026 | 83.4% | 1,532 |
| 28 Jul 2026 | 83.7% | 1,537 |
| 27 Jul 2026 | 84.1% | 1,544 |
| 26 Jul 2026 | 84.2% | 1,546 |
| 25 Jul 2026 | 84.2% | 1,547 |
| 24 Jul 2026 | 84.2% | 1,545 |
| 23 Jul 2026 | 84.3% | 1,548 |
| 22 Jul 2026 | 84.6% | 1,554 |
| 21 Jul 2026 | 85.2% | 1,564 |
| 20 Jul 2026 | 85.4% | 1,568 |
| 19 Jul 2026 | 85.6% | 1,571 |
Frequently asked questions
What is the current water level of John H. Kerr Dam?
As of July 30, 2026, John H. Kerr Dam is at 83.1% of its capacity, holding approximately 1,526 hm³ of water, according to USACE CWMS (US Army Corps of Engineers) data.
Is John H. Kerr Dam reservoir full?
No. As of July 30, 2026, John H. Kerr Dam is high at 83.1% of its capacity, so it is not full.
Is the water level at John H. Kerr Dam rising or falling?
The level at John H. Kerr Dam has been broadly stable over the latest week on record (-0.3 points).
How much water can John H. Kerr Dam hold?
John H. Kerr Dam has a total capacity of 1,836 hm³.
Where is John H. Kerr Dam reservoir located?
John H. Kerr Dam is located in Virginia, United States, within the Virginia basin (coordinates 36.597°N, 78.297°W).
What is John H. Kerr Dam used for?
John H. Kerr Dam is used primarily for multiple purposes, and is managed by USACE.