Reservoir · Oklahoma · United States · BOR RISE
Tom Steed Reservoir and Mountain Park Dam
75.0% full
Capacity
120.29 hm³
Volume stored
90 hm³
Coordinates
34.739°N, 98.987°W
Last updated
2026-06-10
Current fill
75.0%vs 7 days ago
-0.2%losing
vs 1 year ago
-1.1%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. 34.739, -98.987 · Open in Google Maps
About Tom Steed Reservoir and Mountain Park Dam
As of June 10, 2026, Tom Steed Reservoir and Mountain Park Dam is filled to 75.0% of its total capacity, holding roughly 90 hm³ of water out of a maximum 120 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 (-0.2 pts), and it is 1.1 points below its level on the same date a year earlier.
Across the readings we hold for Tom Steed Reservoir and Mountain Park Dam — 1824 data points between June 13, 2021 and June 10, 2026 — the level has ranged from a low of 49.3% (November 1, 2024) to a high of 101.8% (June 16, 2025). On average the reservoir is fullest around July and at its lowest around April.
It is operated by BOR primarily for multiple purposes. It lies within the Oklahoma basin at 34.739°N, 98.987°W.
Key facts
- Current fill level
- 75.0%
- Water stored
- 90 hm³
- Total capacity
- 120 hm³
- 7-day change
- ▼ 0.2 pts
- Year-on-year
- ▼ 1.1 pts
- Primary use
- Multipurpose
- River basin
- Oklahoma
- Operator
- BOR
- Coordinates
- 34.739°N, 98.987°W
- Last updated
- June 10, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 10 Jun 2026 | 75.0% | 90 |
| 9 Jun 2026 | 75.2% | 90 |
| 8 Jun 2026 | 75.3% | 91 |
| 7 Jun 2026 | 75.5% | 91 |
| 6 Jun 2026 | 75.5% | 91 |
| 5 Jun 2026 | 74.1% | 89 |
| 4 Jun 2026 | 71.6% | 86 |
| 3 Jun 2026 | 71.7% | 86 |
| 2 Jun 2026 | 71.9% | 87 |
| 1 Jun 2026 | 72.1% | 87 |
| 31 May 2026 | 72.2% | 87 |
| 30 May 2026 | 72.3% | 87 |
Frequently asked questions
What is the current water level of Tom Steed Reservoir and Mountain Park Dam?
As of June 10, 2026, Tom Steed Reservoir and Mountain Park Dam is at 75.0% of its capacity, holding approximately 90 hm³ of water, according to BOR RISE (US Bureau of Reclamation) data.
Is Tom Steed Reservoir and Mountain Park Dam reservoir full?
No. As of June 10, 2026, Tom Steed Reservoir and Mountain Park Dam is within its normal operating range at 75.0% of its capacity, so it is not full.
Is the water level at Tom Steed Reservoir and Mountain Park Dam rising or falling?
The level at Tom Steed Reservoir and Mountain Park Dam has been broadly stable over the latest week on record (-0.2 points).
How much water can Tom Steed Reservoir and Mountain Park Dam hold?
Tom Steed Reservoir and Mountain Park Dam has a total capacity of 120 hm³.
Where is Tom Steed Reservoir and Mountain Park Dam reservoir located?
Tom Steed Reservoir and Mountain Park Dam is located in Oklahoma, United States, within the Oklahoma basin (coordinates 34.739°N, 98.987°W).
What is Tom Steed Reservoir and Mountain Park Dam used for?
Tom Steed Reservoir and Mountain Park Dam is used primarily for multiple purposes, and is managed by BOR.