Wanapum Dam
E429055
Wanapum Dam is a hydroelectric dam on the Columbia River in Washington State that generates power, supports irrigation, and helps regulate river flow.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Wanapum Dam canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3695866 — 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: Wanapum Dam Context triple: [Columbia River hydropower system, includesFacility, Wanapum 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.
Coulee Dam, Washington
Coulee Dam, Washington is a small town in north-central Washington State best known as the community adjacent to the massive Grand Coulee Dam on the Columbia River.
-
C.
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.
-
D.
Minidoka Dam
Minidoka Dam is an early 20th-century Bureau of Reclamation irrigation and hydroelectric dam on the Snake River in southern Idaho.
-
E.
The Dalles Dam
The Dalles Dam is a large hydroelectric dam and navigation facility on the Columbia River in the Pacific Northwest, known for its significant power generation and impact on regional river ecosystems and communities.
- 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: Wanapum Dam Target entity description: Wanapum Dam is a hydroelectric dam on the Columbia River in Washington State that generates power, supports irrigation, and helps regulate river flow.
-
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.
Coulee Dam, Washington
Coulee Dam, Washington is a small town in north-central Washington State best known as the community adjacent to the massive Grand Coulee Dam on the Columbia River.
-
C.
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.
-
D.
Minidoka Dam
Minidoka Dam is an early 20th-century Bureau of Reclamation irrigation and hydroelectric dam on the Snake River in southern Idaho.
-
E.
The Dalles Dam
The Dalles Dam is a large hydroelectric dam and navigation facility on the Columbia River in the Pacific Northwest, known for its significant power generation and impact on regional river ecosystems and communities.
- F. None of above. chosen
Statements (42)
| Predicate | Object |
|---|---|
| instanceOf |
gravity dam
ⓘ
hydroelectric dam ⓘ |
| constructionBegan | 1959 ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| county | Grant County, Washington NERFINISHED ⓘ |
| crosses | Columbia River NERFINISHED ⓘ |
| downstreamFrom | Rock Island Dam NERFINISHED ⓘ |
| energySource | hydropower ⓘ |
| hasFishPassage | fish ladders ⓘ |
| hasFunction |
flood control support
ⓘ
navigation support ⓘ |
| hasPowerPlant | yes ⓘ |
| hasPublicAccess | visitor areas ⓘ |
| hasSpillway | yes ⓘ |
| isInfrastructureType | renewable energy facility ⓘ |
| isPartOfGrid | North American power grid NERFINISHED ⓘ |
| locatedIn |
United States of America
ⓘ
surface form:
United States
Washington ⓘ
surface form:
Washington State
|
| locatedInTimeZone | Pacific Time Zone ⓘ |
| locatedOnRiver | Columbia River NERFINISHED ⓘ |
| namedAfter | Wanapum people NERFINISHED ⓘ |
| nearCity | Vantage, Washington NERFINISHED ⓘ |
| openingDate | 1963 ⓘ |
| operator | Grant County Public Utility District NERFINISHED ⓘ |
| ownedBy | Grant County Public Utility District NERFINISHED ⓘ |
| partOf | Columbia River hydropower system NERFINISHED ⓘ |
| purpose |
hydroelectric power generation
ⓘ
irrigation support ⓘ recreation ⓘ river flow regulation ⓘ |
| region | Pacific Northwest ⓘ |
| regulatesRiverFlow | yes ⓘ |
| reservoir |
Wanapum Lake
NERFINISHED
ⓘ
Wanapum Reservoir NERFINISHED ⓘ |
| riverBasin | Columbia River Basin NERFINISHED ⓘ |
| state | Washington ⓘ |
| supportsIrrigation | yes ⓘ |
| supportsRecreation |
boating
ⓘ
fishing ⓘ sightseeing ⓘ |
| upstreamFrom | Priest Rapids Dam NERFINISHED ⓘ |
| watercourse | Columbia River NERFINISHED ⓘ |
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: Wanapum Dam Description of subject: Wanapum Dam is a hydroelectric dam on the Columbia River in Washington State that generates power, supports irrigation, and helps regulate river flow.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.