Reservoir · Wyoming · United States · BOR RISE
South Fork Dike at Buffalo Bill Reservoir
0.4% full
Capacity
797.53 hm³
Volume stored
3 hm³
Vs month average
100% of normal
Coordinates
44.443°N, 109.213°W
Last updated
2026-10-28
Current fill
0.4%vs 7 days ago
0.0 ppstable
vs 1 year ago
0.0 ppyear-over-year
7-day trend
→stable
Drought context
Storage vs October average
100%of normal
0.4% full on 2026-10-28, against an average of 0.4% for October across 6 years of readings (0.0 points).
Drought Monitor at this site · 27 October 2026
D2severe drought
The ground at South Fork Dike at Buffalo Bill Reservoir's coordinates falls inside the D2 area of the weekly U.S. Drought Monitor map. That describes local conditions — rainfall, soil moisture, streamflow — not the reservoir's storage. Wyoming drought figures →
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: 2026-10-28.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 44.443°N, 109.213°W · Open in Google Maps
About South Fork Dike at Buffalo Bill Reservoir
As of October 28, 2026, South Fork Dike at Buffalo Bill Reservoir is filled to 0.4% of its total capacity, holding 3.13 hm³ of water out of a maximum 797.53 hm³. At this level the reservoir is critically low.
Over the most recent week on record the fill level has held broadly steady (+0.0 pp), and it sits close to where it was a year earlier.
Across the readings we hold for South Fork Dike at Buffalo Bill Reservoir — 1951 data points between October 30, 2021 and October 28, 2026 — the level has ranged from a low of 0.3% (October 30, 2021) to a high of 0.4% (May 30, 2022). On average the reservoir is fullest around June and at its lowest around April.
It is operated by BOR primarily for multiple purposes. It is at 44.443°N, 109.213°W.
Key facts
- Current fill level
- 0.4% of total capacity
- Water stored
- 3.13 hm³
- Total capacity
- 797.53 hm³
- 7-day change
- No change
- Year-on-year
- No change
- Primary use
- Multipurpose
- Operator
- BOR
- Coordinates
- 44.443°N, 109.213°W
- Last updated
- October 28, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 28 Oct 2026 | 0.4% | 3.13 |
| 27 Oct 2026 | 0.4% | 3.13 |
| 26 Oct 2026 | 0.4% | 3.14 |
| 25 Oct 2026 | 0.4% | 3.13 |
| 24 Oct 2026 | 0.4% | 3.14 |
| 23 Oct 2026 | 0.4% | 3.14 |
| 22 Oct 2026 | 0.4% | 3.14 |
| 21 Oct 2026 | 0.4% | 3.14 |
| 20 Oct 2026 | 0.4% | 3.14 |
| 19 Oct 2026 | 0.4% | 3.14 |
| 18 Oct 2026 | 0.4% | 3.13 |
| 17 Oct 2026 | 0.4% | 3.13 |