Hungry Horse Dam
E438510
Hungry Horse Dam is a large concrete arch dam on Montana’s South Fork Flathead River, built for hydroelectric power generation, flood control, and water storage as part of the broader Columbia River system.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Hungry Horse Dam canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3695873 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Hungry Horse Dam Context triple: [Columbia River hydropower system, includesFacility, Hungry Horse Dam]
-
A.
O'Shaughnessy Dam
O'Shaughnessy Dam is a concrete arch-gravity dam in Yosemite National Park that creates the Hetch Hetchy Reservoir, supplying water and hydroelectric power to the San Francisco Bay Area.
-
B.
Red Rock Dam
Red Rock Dam is a large flood-control and hydroelectric dam on the Des Moines River in central Iowa, forming Lake Red Rock as the state’s largest reservoir.
-
C.
Libby Dam
Libby Dam is a large hydroelectric and flood-control dam on the Kootenai River in Montana that contributes significant power and water management capacity to the Columbia River Basin.
-
D.
McNary Dam
McNary Dam is a large hydroelectric dam and navigation lock complex on the Columbia River in the Pacific Northwest of the United States.
-
E.
Rocky Reach Dam
Rocky Reach Dam is a major hydroelectric dam on the Columbia River in Washington State, known for generating power and incorporating fish passage and recreation facilities.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Hungry Horse Dam Target entity description: Hungry Horse Dam is a large concrete arch dam on Montana’s South Fork Flathead River, built for hydroelectric power generation, flood control, and water storage as part of the broader Columbia River system.
-
A.
O'Shaughnessy Dam
O'Shaughnessy Dam is a concrete arch-gravity dam in Yosemite National Park that creates the Hetch Hetchy Reservoir, supplying water and hydroelectric power to the San Francisco Bay Area.
-
B.
Red Rock Dam
Red Rock Dam is a large flood-control and hydroelectric dam on the Des Moines River in central Iowa, forming Lake Red Rock as the state’s largest reservoir.
-
C.
Libby Dam
Libby Dam is a large hydroelectric and flood-control dam on the Kootenai River in Montana that contributes significant power and water management capacity to the Columbia River Basin.
-
D.
McNary Dam
McNary Dam is a large hydroelectric dam and navigation lock complex on the Columbia River in the Pacific Northwest of the United States.
-
E.
Rocky Reach Dam
Rocky Reach Dam is a major hydroelectric dam on the Columbia River in Washington State, known for generating power and incorporating fish passage and recreation facilities.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
concrete arch dam
ⓘ
hydroelectric dam ⓘ |
| basinCountry |
United States
ⓘ
linked to:
United States of America
|
| constructionMaterial | concrete ⓘ |
| constructionStartDate | 1948 ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| crestElevation | 3560 ft above sea level ⓘ |
| damType | arch dam ⓘ |
| hasFeature |
public viewpoints
ⓘ
visitor center ⓘ |
| hasReservoir | Hungry Horse Reservoir ⓘ |
| height |
172 m
ⓘ
564 ft ⓘ |
| length |
2115 ft
ⓘ
645 m ⓘ |
| locatedIn |
Flathead County, Montana
ⓘ
linked to:
Flathead County
Montana ⓘ |
| locatedNear |
Glacier National Park
ⓘ
Hungry Horse, Montana ⓘ |
| locatedOnRiver |
South Fork Flathead River
ⓘ
linked to:
Flathead River
|
| managedBy |
Bureau of Reclamation Pacific Northwest Region
ⓘ
linked to:
Bureau of Reclamation
|
| nearCity |
Kalispell, Montana
ⓘ
linked to:
Kalispell
|
| numberOfTurbines | 4 ⓘ |
| openingDate | 1953 ⓘ |
| operator |
United States Bureau of Reclamation
ⓘ
linked to:
Bureau of Reclamation
|
| ownedBy |
United States Bureau of Reclamation
ⓘ
linked to:
Bureau of Reclamation
|
| partOf |
Columbia River Basin power system
ⓘ
linked to:
Columbia River hydropower system
|
| partOfRiverSystem |
Columbia River system
ⓘ
linked to:
Columbia River
|
| plantCapacity | 428 MW ⓘ |
| primaryPurpose |
flood control
ⓘ
hydroelectric power generation ⓘ water storage ⓘ |
| providesServiceTo |
Pacific Northwest power grid
ⓘ
linked to:
Northwestern U.S. power grid
|
| region | Northwestern Montana ⓘ |
| reservoirCapacity |
3,467,000 acre-feet
ⓘ
4.28 km³ ⓘ |
| reservoirName | Hungry Horse Reservoir ⓘ |
| reservoirSurfaceArea |
23,750 acres
ⓘ
96.1 km² ⓘ |
| riverBasin |
Flathead River Basin
ⓘ
linked to:
Flathead River
|
| spillwayType | gated overflow spillway ⓘ |
| status | operational ⓘ |
| supportsFunction |
downstream flood control on the Columbia River
ⓘ
downstream flood control on the Flathead River ⓘ |
| turbineType | Francis turbine ⓘ |
| usedFor |
fish and wildlife management
ⓘ
irrigation support ⓘ recreation ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Hungry Horse Dam Description of subject: Hungry Horse Dam is a large concrete arch dam on Montana’s South Fork Flathead River, built for hydroelectric power generation, flood control, and water storage as part of the broader Columbia River system.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.