Reservoir · Wyoming · United States · BOR RISE
Jackson Lake and Jackson Lake Dam
44.9% full
Capacity
1,044.76 hm³
Volume stored
469 hm³
Coordinates
43.858°N, 110.590°W
Last updated
2026-08-12
Current fill
44.9%vs 7 days ago
-7.2%losing
vs 1 year ago
-39.3%year-over-year
7-day trend
↓falling
Data source: BOR RISE — US Bureau of Reclamation — 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: 2026-08-12.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 43.858, -110.590 · Open in Google Maps
About Jackson Lake and Jackson Lake Dam
As of August 12, 2026, Jackson Lake and Jackson Lake Dam is filled to 44.9% of its total capacity, holding roughly 469 hm³ of water out of a maximum 1,045 hm³. At this level the reservoir is within its normal operating range.
Over the most recent week on record the fill level has fallen by 7.2 percentage points, and it is 39.3 points below its level on the same date a year earlier.
Across the readings we hold for Jackson Lake and Jackson Lake Dam — 2190 data points between August 15, 2021 and August 12, 2026 — the level has ranged from a low of 15.0% (October 4, 2021) to a high of 99.8% (June 17, 2024). On average the reservoir is fullest around June and at its lowest around October.
It is operated by BOR primarily for multiple purposes. It lies within the Wyoming basin at 43.858°N, 110.590°W.
Key facts
- Current fill level
- 44.9%
- Water stored
- 469 hm³
- Total capacity
- 1,045 hm³
- 7-day change
- ▼ 7.2 pts
- Year-on-year
- ▼ 39.3 pts
- Primary use
- Multipurpose
- River basin
- Wyoming
- Operator
- BOR
- Coordinates
- 43.858°N, 110.590°W
- Last updated
- August 12, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 12 Aug 2026 | 44.9% | 469 |
| 11 Aug 2026 | 46.0% | 480 |
| 10 Aug 2026 | 47.0% | 491 |
| 9 Aug 2026 | 48.1% | 502 |
| 8 Aug 2026 | 49.0% | 512 |
| 7 Aug 2026 | 50.0% | 523 |
| 6 Aug 2026 | 51.1% | 533 |
| 5 Aug 2026 | 52.1% | 544 |
| 4 Aug 2026 | 53.1% | 554 |
| 3 Aug 2026 | 54.0% | 564 |
| 2 Aug 2026 | 55.0% | 575 |
| 1 Aug 2026 | 56.0% | 585 |
Frequently asked questions
What is the current water level of Jackson Lake and Jackson Lake Dam?
As of August 12, 2026, Jackson Lake and Jackson Lake Dam is at 44.9% of its capacity, holding approximately 469 hm³ of water, according to BOR RISE (US Bureau of Reclamation) data.
Is Jackson Lake and Jackson Lake Dam reservoir full?
No. As of August 12, 2026, Jackson Lake and Jackson Lake Dam is within its normal operating range at 44.9% of its capacity, so it is not full.
Is the water level at Jackson Lake and Jackson Lake Dam rising or falling?
The level at Jackson Lake and Jackson Lake Dam is falling — it dropped 7.2 percentage points over the latest week on record.
How much water can Jackson Lake and Jackson Lake Dam hold?
Jackson Lake and Jackson Lake Dam has a total capacity of 1,045 hm³.
Where is Jackson Lake and Jackson Lake Dam reservoir located?
Jackson Lake and Jackson Lake Dam is located in Wyoming, United States, within the Wyoming basin (coordinates 43.858°N, 110.590°W).
What is Jackson Lake and Jackson Lake Dam used for?
Jackson Lake and Jackson Lake Dam is used primarily for multiple purposes, and is managed by BOR.