Reservoir · Montana · United States · BOR RISE
Lima Reservoir Upstream of Clark Canyon Reservoir
29.0% full
Capacity
92.73 hm³
Volume stored
27 hm³
Coordinates
44.656°N, 112.371°W
Last updated
2026-07-28
Current fill
29.0%vs 7 days ago
0.0%stable
vs 1 year ago
-44.9%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: 2026-07-28.
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 July 28, 2026, Lima Reservoir Upstream of Clark Canyon Reservoir is filled to 29.0% of its total capacity, holding roughly 27 hm³ of water out of a maximum 93 hm³. At this level the reservoir is low.
Over the most recent week on record the fill level has held broadly steady (+0.0 pts), and it is 44.9 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 July 31, 2021 and July 28, 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
- 29.0%
- Water stored
- 27 hm³
- Total capacity
- 93 hm³
- 7-day change
- No change
- Year-on-year
- ▼ 44.9 pts
- Primary use
- Multipurpose
- River basin
- Montana
- Operator
- BOR
- Coordinates
- 44.656°N, 112.371°W
- Last updated
- July 28, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 28 Jul 2026 | 29.0% | 27 |
| 27 Jul 2026 | 29.0% | 27 |
| 26 Jul 2026 | 29.0% | 27 |
| 25 Jul 2026 | 29.1% | 27 |
| 24 Jul 2026 | 29.6% | 27 |
| 23 Jul 2026 | 30.5% | 28 |
| 22 Jul 2026 | 31.3% | 29 |
| 21 Jul 2026 | 32.0% | 30 |
| 20 Jul 2026 | 32.7% | 30 |
| 19 Jul 2026 | 33.6% | 31 |
| 18 Jul 2026 | 34.4% | 32 |
| 17 Jul 2026 | 35.2% | 33 |
Frequently asked questions
What is the current water level of Lima Reservoir Upstream of Clark Canyon Reservoir?
As of July 28, 2026, Lima Reservoir Upstream of Clark Canyon Reservoir is at 29.0% of its capacity, holding approximately 27 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 July 28, 2026, Lima Reservoir Upstream of Clark Canyon Reservoir is low at 29.0% 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 (0.0 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.