Keechelus Dam
E632577
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.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Keechelus Dam canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6594637 — 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: Keechelus Dam Context triple: [Yakima Project, component, Keechelus Dam]
-
A.
McClure Dam
McClure Dam is a hydroelectric dam on the Dead River in Michigan, forming McClure Basin and providing power and water management for the surrounding region.
-
B.
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.
-
C.
Dworshak Dam
Dworshak Dam is a large concrete gravity dam on the North Fork Clearwater River in Idaho, primarily used for hydroelectric power generation, flood control, and recreation.
-
D.
Chatfield Dam
Chatfield Dam is a large flood-control and water-storage structure in Colorado that creates Chatfield Reservoir on the South Platte River near Denver.
-
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: Keechelus Dam Target entity description: 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.
-
A.
McClure Dam
McClure Dam is a hydroelectric dam on the Dead River in Michigan, forming McClure Basin and providing power and water management for the surrounding region.
-
B.
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.
-
C.
Dworshak Dam
Dworshak Dam is a large concrete gravity dam on the North Fork Clearwater River in Idaho, primarily used for hydroelectric power generation, flood control, and recreation.
-
D.
Chatfield Dam
Chatfield Dam is a large flood-control and water-storage structure in Colorado that creates Chatfield Reservoir on the South Platte River near Denver.
-
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 (46)
| Predicate | Object |
|---|---|
| instanceOf |
earthfill dam
ⓘ
embankment dam ⓘ |
| basinCountry |
United States of America
ⓘ
surface form:
United States
|
| constructionMaterial | earthfill ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| damType | earthfill dam ⓘ |
| forms | Keechelus Lake NERFINISHED ⓘ |
| hasFunction |
flood mitigation
ⓘ
water regulation ⓘ water storage ⓘ |
| hasReservoir | Keechelus Lake NERFINISHED ⓘ |
| hasReservoirUse |
irrigation storage
ⓘ
recreation ⓘ |
| impounds | Keechelus Lake NERFINISHED ⓘ |
| isComponentOf | Yakima Project storage system ⓘ |
| isOneOf | Yakima Project storage dams ⓘ |
| isUpstreamOf |
Easton Dam
NERFINISHED
ⓘ
Lake Easton NERFINISHED ⓘ |
| locatedAlong | Interstate 90 in Washington NERFINISHED ⓘ |
| locatedIn |
Kittitas County, Washington
NERFINISHED
ⓘ
Washington ⓘ
surface form:
Washington State
|
| locatedInNationalForest | Okanogan-Wenatchee National Forest NERFINISHED ⓘ |
| locatedInRegion | Pacific Northwest NERFINISHED ⓘ |
| locatedInState | Washington NERFINISHED ⓘ |
| locatedInWatershed | Yakima River watershed NERFINISHED ⓘ |
| locatedNear | Snoqualmie Pass, Washington NERFINISHED ⓘ |
| locatedOnRiver | Yakima River basin NERFINISHED ⓘ |
| manages | seasonal runoff ⓘ |
| managingAgency | U.S. Bureau of Reclamation, Pacific Northwest Region NERFINISHED ⓘ |
| nearMountainPass | Snoqualmie Pass NERFINISHED ⓘ |
| operator | United States Bureau of Reclamation NERFINISHED ⓘ |
| ownedBy | United States Bureau of Reclamation NERFINISHED ⓘ |
| partOf |
Yakima Project
NERFINISHED
ⓘ
Yakima irrigation system ⓘ |
| projectOwner | United States government NERFINISHED ⓘ |
| purpose |
flood control
ⓘ
flow regulation ⓘ irrigation water storage ⓘ |
| regionServed | Yakima Valley, Washington NERFINISHED ⓘ |
| regulates | Yakima River flows ⓘ |
| reservoirName | Keechelus Lake NERFINISHED ⓘ |
| serves | Yakima River irrigation districts NERFINISHED ⓘ |
| supportsUse |
downstream irrigation
ⓘ
downstream municipal water supply ⓘ fish habitat management ⓘ |
| watercourse | Yakima 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: Keechelus Dam Description of subject: 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.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.