Reservoir · Montana · United States · BOR RISE
Lima Reservoir Upstream of Clark Canyon Reservoir
70.2% full
Capacity
92.73 hm³
Volume stored
65 hm³
Coordinates
44.656°N, 112.371°W
Last updated
2026-06-10
Current fill
70.2%vs 7 days ago
-1.4%losing
vs 1 year ago
-8.9%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. 44.656, -112.371 · Open in Google Maps
About Lima Reservoir Upstream of Clark Canyon Reservoir
As of June 10, 2026, Lima Reservoir Upstream of Clark Canyon Reservoir is filled to 70.2% of its total capacity, holding roughly 65 hm³ of water out of a maximum 93 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 (-1.4 pts), and it is 8.9 points below its level on the same date a year earlier.
Across the readings we hold for Lima Reservoir Upstream of Clark Canyon Reservoir — 1885 data points between June 13, 2021 and June 10, 2026 — the level has ranged from a low of 18.1% (September 5, 2022) to a high of 105.0% (May 28, 2023). On average the reservoir is fullest around May and at its lowest around October.
It is operated by BOR primarily for multiple purposes. It lies within the Montana basin at 44.656°N, 112.371°W.
Key facts
- Current fill level
- 70.2%
- Water stored
- 65 hm³
- Total capacity
- 93 hm³
- 7-day change
- ▼ 1.4 pts
- Year-on-year
- ▼ 8.9 pts
- Primary use
- Multipurpose
- River basin
- Montana
- Operator
- BOR
- Coordinates
- 44.656°N, 112.371°W
- Last updated
- June 10, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 10 Jun 2026 | 70.2% | 65 |
| 9 Jun 2026 | 71.6% | 66 |
| 8 Jun 2026 | 72.7% | 67 |
| 7 Jun 2026 | 73.9% | 69 |
| 6 Jun 2026 | 75.1% | 70 |
| 5 Jun 2026 | 76.3% | 71 |
| 4 Jun 2026 | 77.4% | 72 |
| 3 Jun 2026 | 78.5% | 73 |
| 2 Jun 2026 | 79.6% | 74 |
| 1 Jun 2026 | 80.6% | 75 |
| 31 May 2026 | 81.4% | 76 |
| 30 May 2026 | 82.2% | 76 |
Frequently asked questions
What is the current water level of Lima Reservoir Upstream of Clark Canyon Reservoir?
As of June 10, 2026, Lima Reservoir Upstream of Clark Canyon Reservoir is at 70.2% of its capacity, holding approximately 65 hm³ of water, according to BOR RISE (US Bureau of Reclamation) data.
Is Lima Reservoir Upstream of Clark Canyon Reservoir reservoir full?
No. As of June 10, 2026, Lima Reservoir Upstream of Clark Canyon Reservoir is within its normal operating range at 70.2% of its capacity, so it is not full.
Is the water level at Lima Reservoir Upstream of Clark Canyon Reservoir rising or falling?
The level at Lima Reservoir Upstream of Clark Canyon Reservoir has been broadly stable over the latest week on record (-1.4 points).
How much water can Lima Reservoir Upstream of Clark Canyon Reservoir hold?
Lima Reservoir Upstream of Clark Canyon Reservoir has a total capacity of 93 hm³.
Where is Lima Reservoir Upstream of Clark Canyon Reservoir reservoir located?
Lima Reservoir Upstream of Clark Canyon Reservoir is located in Montana, United States, within the Montana basin (coordinates 44.656°N, 112.371°W).
What is Lima Reservoir Upstream of Clark Canyon Reservoir used for?
Lima Reservoir Upstream of Clark Canyon Reservoir is used primarily for multiple purposes, and is managed by BOR.

