Tieton Dam
E637412
Tieton Dam is a concrete multiple-arch dam in central Washington State that provides irrigation water storage, flood control, and hydroelectric power as part of the U.S. Bureau of Reclamation’s Yakima River basin developments.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Tieton Dam canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6594641 — 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: Tieton Dam Context triple: [Yakima Project, component, Tieton Dam]
-
A.
Duncan Dam
Duncan Dam is a major hydroelectric and flood-control dam on the Duncan River in British Columbia, forming part of the Columbia River Treaty system.
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B.
Keechelus Dam
Keechelus Dam is an earthfill dam in Washington State that forms Keechelus Lake, providing water storage and regulation as part of the U.S. Bureau of Reclamation’s Yakima irrigation system.
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C.
Denison Dam
Denison Dam is a large earthen dam on the Red River between Texas and Oklahoma, built for flood control, hydroelectric power generation, and water supply.
-
D.
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.
-
E.
Gerber Dam
Gerber Dam is an irrigation and water storage dam in southern Oregon that helps regulate water supply for agriculture and flood control within the Klamath Basin.
- 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: Tieton Dam Target entity description: Tieton Dam is a concrete multiple-arch dam in central Washington State that provides irrigation water storage, flood control, and hydroelectric power as part of the U.S. Bureau of Reclamation’s Yakima River basin developments.
-
A.
Duncan Dam
Duncan Dam is a major hydroelectric and flood-control dam on the Duncan River in British Columbia, forming part of the Columbia River Treaty system.
-
B.
Keechelus Dam
Keechelus Dam is an earthfill dam in Washington State that forms Keechelus Lake, providing water storage and regulation as part of the U.S. Bureau of Reclamation’s Yakima irrigation system.
-
C.
Denison Dam
Denison Dam is a large earthen dam on the Red River between Texas and Oklahoma, built for flood control, hydroelectric power generation, and water supply.
-
D.
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.
-
E.
Gerber Dam
Gerber Dam is an irrigation and water storage dam in southern Oregon that helps regulate water supply for agriculture and flood control within the Klamath Basin.
- F. None of above. chosen
Statements (41)
| Predicate | Object |
|---|---|
| instanceOf |
concrete multiple-arch dam
ⓘ
dam ⓘ |
| basinCountry |
United States of America
ⓘ
surface form:
United States
|
| category |
Dams in Washington State
ⓘ
Hydroelectric power plants in Washington State ⓘ United States Bureau of Reclamation dams ⓘ |
| constructionBegan | 1923 ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| createsReservoir | Rimrock Lake NERFINISHED ⓘ |
| designType | multiple-arch ⓘ |
| floodControl | provides seasonal flood regulation in Yakima River basin ⓘ |
| height | about 319 feet ⓘ |
| hydraulicHead | about 250 feet ⓘ |
| length | about 920 feet ⓘ |
| locatedIn |
Washington
ⓘ
surface form:
Washington State
Yakima County, Washington NERFINISHED ⓘ |
| locatedOn | Tieton River NERFINISHED ⓘ |
| managingAgency | U.S. Bureau of Reclamation NERFINISHED ⓘ |
| material | concrete ⓘ |
| nearCity | Yakima, Washington NERFINISHED ⓘ |
| nearCommunity | Tieton, Washington NERFINISHED ⓘ |
| openingDate | 1925 ⓘ |
| operator | United States Bureau of Reclamation NERFINISHED ⓘ |
| ownedBy | United States Bureau of Reclamation NERFINISHED ⓘ |
| partOf |
Yakima Project
NERFINISHED
ⓘ
Yakima River basin developments NERFINISHED ⓘ |
| plantCapacity | about 31 megawatts ⓘ |
| powerPlantType | conventional hydroelectric power plant ⓘ |
| project | Yakima Project Tieton Division NERFINISHED ⓘ |
| purpose |
flood control
ⓘ
hydroelectric power generation ⓘ irrigation water storage ⓘ |
| region | central Washington State ⓘ |
| reservoirCapacity | about 203,600 acre-feet ⓘ |
| reservoirName | Rimrock Lake NERFINISHED ⓘ |
| reservoirSurfaceArea | about 2,600 acres ⓘ |
| riverBasin | Yakima River basin NERFINISHED ⓘ |
| upstreamFrom | confluence of Tieton River and Naches River ⓘ |
| uses |
agricultural irrigation
ⓘ
recreation on Rimrock Lake ⓘ |
| watercourse | Tieton 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: Tieton Dam Description of subject: Tieton Dam is a concrete multiple-arch dam in central Washington State that provides irrigation water storage, flood control, and hydroelectric power as part of the U.S. Bureau of Reclamation’s Yakima River basin developments.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.