Reservoir · Utah · United States · BOR RISE
Rockport Reservoir and Wanship Dam
87.4% full
Capacity
76.62 hm³
Volume stored
67 hm³
Coordinates
40.775°N, 111.399°W
Last updated
2026-06-10
Current fill
87.4%vs 7 days ago
-0.3%losing
vs 1 year ago
+22.9%year-over-year
7-day trend
→stable
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: 2026-06-10.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 40.775, -111.399 · Open in Google Maps
About Rockport Reservoir and Wanship Dam
As of June 10, 2026, Rockport Reservoir and Wanship Dam is filled to 87.4% of its total capacity, holding roughly 67 hm³ of water out of a maximum 77 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 22.9 points above its level on the same date a year earlier.
Across the readings we hold for Rockport Reservoir and Wanship Dam — 1824 data points between June 13, 2021 and June 10, 2026 — the level has ranged from a low of 23.5% (August 18, 2021) to a high of 100.3% (June 20, 2023). 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 Utah basin at 40.775°N, 111.399°W.
Key facts
- Current fill level
- 87.4%
- Water stored
- 67 hm³
- Total capacity
- 77 hm³
- 7-day change
- ▼ 0.3 pts
- Year-on-year
- ▲ 22.9 pts
- Primary use
- Multipurpose
- River basin
- Utah
- Operator
- BOR
- Coordinates
- 40.775°N, 111.399°W
- Last updated
- June 10, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 10 Jun 2026 | 87.4% | 67 |
| 9 Jun 2026 | 87.7% | 67 |
| 8 Jun 2026 | 87.8% | 67 |
| 7 Jun 2026 | 87.8% | 67 |
| 6 Jun 2026 | 87.8% | 67 |
| 5 Jun 2026 | 87.7% | 67 |
| 4 Jun 2026 | 87.5% | 67 |
| 3 Jun 2026 | 87.3% | 67 |
| 2 Jun 2026 | 87.0% | 67 |
| 1 Jun 2026 | 86.8% | 66 |
| 31 May 2026 | 86.4% | 66 |
| 30 May 2026 | 85.8% | 66 |
Frequently asked questions
What is the current water level of Rockport Reservoir and Wanship Dam?
As of June 10, 2026, Rockport Reservoir and Wanship Dam is at 87.4% of its capacity, holding approximately 67 hm³ of water, according to BOR RISE (US Bureau of Reclamation) data.
Is Rockport Reservoir and Wanship Dam reservoir full?
No. As of June 10, 2026, Rockport Reservoir and Wanship Dam is high at 87.4% of its capacity, so it is not full.
Is the water level at Rockport Reservoir and Wanship Dam rising or falling?
The level at Rockport Reservoir and Wanship Dam has been broadly stable over the latest week on record (-0.3 points).
How much water can Rockport Reservoir and Wanship Dam hold?
Rockport Reservoir and Wanship Dam has a total capacity of 77 hm³.
Where is Rockport Reservoir and Wanship Dam reservoir located?
Rockport Reservoir and Wanship Dam is located in Utah, United States, within the Utah basin (coordinates 40.775°N, 111.399°W).
What is Rockport Reservoir and Wanship Dam used for?
Rockport Reservoir and Wanship Dam is used primarily for multiple purposes, and is managed by BOR.