Cle Elum Dam
E634990
Cle Elum Dam is a U.S. Bureau of Reclamation earthfill dam on the Cle Elum River in Washington State that provides irrigation water storage, flood control, and recreation as part of the larger Yakima River basin system.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Cle Elum Dam canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T6594639 — 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: Cle Elum Dam Context triple: [Yakima Project, component, Cle Elum Dam]
-
A.
Wanapum Dam
Wanapum Dam is a hydroelectric dam on the Columbia River in Washington State that generates power, supports irrigation, and helps regulate river flow.
-
B.
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.
-
C.
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.
-
D.
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.
-
E.
Leaburg Dam
Leaburg Dam is a historic hydroelectric dam on Oregon’s McKenzie River that generates power and helps regulate river flow.
- 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: Cle Elum Dam Target entity description: Cle Elum Dam is a U.S. Bureau of Reclamation earthfill dam on the Cle Elum River in Washington State that provides irrigation water storage, flood control, and recreation as part of the larger Yakima River basin system.
-
A.
Wanapum Dam
Wanapum Dam is a hydroelectric dam on the Columbia River in Washington State that generates power, supports irrigation, and helps regulate river flow.
-
B.
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.
-
C.
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.
-
D.
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.
-
E.
Leaburg Dam
Leaburg Dam is a historic hydroelectric dam on Oregon’s McKenzie River that generates power and helps regulate river flow.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
earthfill dam
ⓘ
embankment dam ⓘ |
| basinCountry |
United States
ⓘ
linked to:
United States of America
|
| completedIn | 1933 ⓘ |
| constructionBegan | 1906 ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| createsReservoir | Cle Elum Lake ⓘ |
| hasCore | impervious core ⓘ |
| hasEmbankmentMaterial | earthfill ⓘ |
| hasFunction |
storage of spring runoff for late-season irrigation
ⓘ
support of instream flows for fish and wildlife ⓘ |
| hasSpillway | gated spillway ⓘ |
| height | about 165 feet ⓘ |
| isInfrastructureType | federal reclamation project dam ⓘ |
| length | about 1,900 feet ⓘ |
| locatedIn |
Kittitas County, Washington
ⓘ
Washington State ⓘ
linked to:
Washington
|
| locatedInRange | eastern slopes of the Cascade Range ⓘ |
| locatedNear |
City of Cle Elum, Washington
ⓘ
linked to:
Cle Elum, Washington
|
| locatedOnRiver | Cle Elum River ⓘ |
| managesFlowsFor | downstream irrigation districts in the Yakima Basin ⓘ |
| managingAgency |
U.S. Bureau of Reclamation, Columbia–Cascades Area Office
ⓘ
linked to:
Bureau of Reclamation
|
| nearbyProtectedArea |
Okanogan–Wenatchee National Forest
ⓘ
linked to:
Okanogan-Wenatchee National Forest
|
| operator |
United States Bureau of Reclamation
ⓘ
linked to:
Bureau of Reclamation
|
| owner |
United States Bureau of Reclamation
ⓘ
linked to:
Bureau of Reclamation
|
| partOf |
Yakima Project
ⓘ
Yakima River basin system ⓘ
linked to:
Yakima River
|
| partOfProgram |
Yakima River Basin Water Enhancement Project
ⓘ
linked to:
Yakima Project
|
| projectAuthorization | authorized as part of the federal Yakima Project ⓘ |
| provides |
downstream flood protection
ⓘ
seasonal flow regulation on the Cle Elum River ⓘ |
| purpose |
flood control
ⓘ
irrigation water storage ⓘ recreation ⓘ |
| recreationActivities |
boating
ⓘ
camping ⓘ fishing ⓘ swimming ⓘ |
| region | Pacific Northwest ⓘ |
| reservoirCapacity | about 436,900 acre-feet ⓘ |
| reservoirName | Cle Elum Lake ⓘ |
| reservoirType | natural lake enlarged by dam ⓘ |
| riverSystem | Yakima River ⓘ |
| state | Washington ⓘ |
| upstreamFrom | confluence of Cle Elum River with Yakima River ⓘ |
| waterSource | snowmelt from the eastern Cascade Range ⓘ |
| waterUse | irrigation for agriculture in the Yakima Valley ⓘ |
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: Cle Elum Dam Description of subject: Cle Elum Dam is a U.S. Bureau of Reclamation earthfill dam on the Cle Elum River in Washington State that provides irrigation water storage, flood control, and recreation as part of the larger Yakima River basin system.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.