Roza Dam
E601461
Roza Dam is a diversion dam on Washington State’s Yakima River that helps supply irrigation water as part of the U.S. Bureau of Reclamation’s Yakima Project.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Roza Dam canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6594643 — 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: Roza Dam Context triple: [Yakima Project, component, Roza Dam]
-
A.
Bornos Dam
Bornos Dam is a major reservoir and hydraulic infrastructure in southern Spain that regulates the flow of the Guadalete River for water supply, irrigation, and flood control.
-
B.
Zhinvali Dam
Zhinvali Dam is a large hydroelectric dam and reservoir in eastern Georgia, known for its striking turquoise waters and role in supplying water and power to the region.
-
C.
Almatti Dam
Almatti Dam is a major hydroelectric and irrigation dam in Karnataka, India, built across the Krishna River as part of the Upper Krishna Project.
-
D.
Shashe Dam
Shashe Dam is a water reservoir structure built on the Shashe River, primarily used for water supply, irrigation, and regional resource management.
-
E.
Salagou Dam
Salagou Dam is a French hydraulic structure in the Hérault department that created the artificial Lac du Salagou, now known for its striking red landscapes and recreational activities.
- 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: Roza Dam Target entity description: Roza Dam is a diversion dam on Washington State’s Yakima River that helps supply irrigation water as part of the U.S. Bureau of Reclamation’s Yakima Project.
-
A.
Bornos Dam
Bornos Dam is a major reservoir and hydraulic infrastructure in southern Spain that regulates the flow of the Guadalete River for water supply, irrigation, and flood control.
-
B.
Zhinvali Dam
Zhinvali Dam is a large hydroelectric dam and reservoir in eastern Georgia, known for its striking turquoise waters and role in supplying water and power to the region.
-
C.
Almatti Dam
Almatti Dam is a major hydroelectric and irrigation dam in Karnataka, India, built across the Krishna River as part of the Upper Krishna Project.
-
D.
Shashe Dam
Shashe Dam is a water reservoir structure built on the Shashe River, primarily used for water supply, irrigation, and regional resource management.
-
E.
Salagou Dam
Salagou Dam is a French hydraulic structure in the Hérault department that created the artificial Lac du Salagou, now known for its striking red landscapes and recreational activities.
- F. None of above. chosen
Statements (36)
| Predicate | Object |
|---|---|
| instanceOf |
concrete dam
ⓘ
diversion dam ⓘ run-of-the-river dam ⓘ |
| basinCountry |
United States of America
ⓘ
surface form:
United States
|
| constructionBegan | 1940 ⓘ |
| constructionBy | United States Bureau of Reclamation NERFINISHED ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| divertsWaterTo | Roza Canal NERFINISHED ⓘ |
| hasFishPassage |
fish ladder
ⓘ
fish screens ⓘ |
| hasPowerPlant | Roza Powerplant NERFINISHED ⓘ |
| hasSpillwayType | overflow spillway ⓘ |
| height |
20 meters
ⓘ
67 feet ⓘ |
| length |
148 meters
ⓘ
486 feet ⓘ |
| locatedIn | Yakima County, Washington NERFINISHED ⓘ |
| locatedNear |
Moxee, Washington
NERFINISHED
ⓘ
Terrace Heights, Washington NERFINISHED ⓘ |
| locatedOnRiver | Yakima River NERFINISHED ⓘ |
| managesIrrigationFor | agricultural lands in the Yakima Valley ⓘ |
| openingYear | 1950 ⓘ |
| operator | United States Bureau of Reclamation NERFINISHED ⓘ |
| ownedBy | United States Bureau of Reclamation NERFINISHED ⓘ |
| partOf | Yakima Project NERFINISHED ⓘ |
| powerPlantCapacity | 12.9 MW ⓘ |
| powerPlantType | conventional hydroelectric power plant ⓘ |
| projectAuthorization | authorized as part of the Yakima Project ⓘ |
| purpose |
hydroelectric power generation
ⓘ
irrigation ⓘ |
| reservoirName | none (run-of-the-river diversion) ⓘ |
| riverMile | 127.9 ⓘ |
| spillwayCount | 1 ⓘ |
| state | Washington ⓘ |
| upstreamFrom | Yakima, Washington NERFINISHED ⓘ |
| waterSupplyProject | Roza Irrigation District 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: Roza Dam Description of subject: Roza Dam is a diversion dam on Washington State’s Yakima River that helps supply irrigation water as part of the U.S. Bureau of Reclamation’s Yakima Project.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.