Round Butte Dam
E848609
Round Butte Dam is a hydroelectric dam on the Deschutes River in Oregon, known for creating Lake Billy Chinook and forming part of the Pelton Round Butte Project.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Round Butte Dam canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9602890 — 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: Round Butte Dam Context triple: [Lake Billy Chinook, formedByDam, Round Butte Dam]
-
A.
Mormon Flat Dam
Mormon Flat Dam is a concrete thin arch dam on Arizona’s Salt River that forms Canyon Lake and helps provide hydroelectric power, water storage, and flood control for the region.
-
B.
LaBarge Dam
LaBarge Dam is a small hydroengineering structure located on the Thornapple River in Michigan, used primarily for water level control and local recreation.
-
C.
Wickiup Dam
Wickiup Dam is an earth-fill embankment dam on the Deschutes River in central Oregon that creates Wickiup Reservoir for irrigation water storage and management.
-
D.
Red Rock Dam
Red Rock Dam is a large flood-control and hydroelectric dam on the Des Moines River in central Iowa, forming Lake Red Rock as the state’s largest reservoir.
-
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: Round Butte Dam Target entity description: Round Butte Dam is a hydroelectric dam on the Deschutes River in Oregon, known for creating Lake Billy Chinook and forming part of the Pelton Round Butte Project.
-
A.
Mormon Flat Dam
Mormon Flat Dam is a concrete thin arch dam on Arizona’s Salt River that forms Canyon Lake and helps provide hydroelectric power, water storage, and flood control for the region.
-
B.
LaBarge Dam
LaBarge Dam is a small hydroengineering structure located on the Thornapple River in Michigan, used primarily for water level control and local recreation.
-
C.
Wickiup Dam
Wickiup Dam is an earth-fill embankment dam on the Deschutes River in central Oregon that creates Wickiup Reservoir for irrigation water storage and management.
-
D.
Red Rock Dam
Red Rock Dam is a large flood-control and hydroelectric dam on the Des Moines River in central Iowa, forming Lake Red Rock as the state’s largest reservoir.
-
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 (48)
| Predicate | Object |
|---|---|
| instanceOf |
concrete arch dam
ⓘ
hydroelectric dam ⓘ |
| affectsRiver |
Crooked River
NERFINISHED
ⓘ
Deschutes River NERFINISHED ⓘ Metolius River NERFINISHED ⓘ |
| alsoKnownAs | Round Butte Hydroelectric Dam NERFINISHED ⓘ |
| associatedWithTribe | Confederated Tribes of Warm Springs NERFINISHED ⓘ |
| basinCountry |
United States of America
ⓘ
surface form:
United States
|
| coLicensedWith | Confederated Tribes of the Warm Springs Reservation of Oregon NERFINISHED ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| createsReservoir | Lake Billy Chinook NERFINISHED ⓘ |
| crosses | Deschutes River NERFINISHED ⓘ |
| downstreamFrom |
Crooked River confluence
ⓘ
Metolius River confluence ⓘ |
| energySource | hydropower ⓘ |
| hasFunction |
electricity generation
ⓘ
flow regulation ⓘ |
| hasNameOrigin | Round Butte (nearby geographic feature) NERFINISHED ⓘ |
| hasRecreationalArea | Lake Billy Chinook NERFINISHED ⓘ |
| hasReservoir | Lake Billy Chinook NERFINISHED ⓘ |
| impounds |
Crooked River
NERFINISHED
ⓘ
Deschutes River NERFINISHED ⓘ Metolius River NERFINISHED ⓘ |
| isComponentOf | Pelton Round Butte Hydroelectric Project NERFINISHED ⓘ |
| isInfrastructureType | dam ⓘ |
| isPartOfRiverSystem | Columbia River Basin NERFINISHED ⓘ |
| locatedIn |
Jefferson County, Oregon
NERFINISHED
ⓘ
Oregon ⓘ |
| locatedInCountry |
United States of America
ⓘ
surface form:
United States
|
| locatedNear |
Cove Palisades State Park
NERFINISHED
ⓘ
Warm Springs Indian Reservation NERFINISHED ⓘ |
| locatedOnRiver | Deschutes River NERFINISHED ⓘ |
| nearMouthOf |
Crooked River
NERFINISHED
ⓘ
Metolius River NERFINISHED ⓘ |
| operatedBy | Portland General Electric NERFINISHED ⓘ |
| ownedBy | Portland General Electric NERFINISHED ⓘ |
| partOf | Pelton Round Butte Project NERFINISHED ⓘ |
| partOfHydroelectricSystemWith |
Pelton Dam
NERFINISHED
ⓘ
Reregulating Dam (Pelton Reregulating Dam) NERFINISHED ⓘ |
| projectName | Pelton Round Butte Project NERFINISHED ⓘ |
| purpose |
hydroelectric power generation
ⓘ
recreation support ⓘ water storage ⓘ |
| region | Central Oregon NERFINISHED ⓘ |
| reservoirCapacity | Lake Billy Chinook NERFINISHED ⓘ |
| state | Oregon ⓘ |
| upstreamFrom | Pelton Dam NERFINISHED ⓘ |
| watercourse | Deschutes 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: Round Butte Dam Description of subject: Round Butte Dam is a hydroelectric dam on the Deschutes River in Oregon, known for creating Lake Billy Chinook and forming part of the Pelton Round Butte Project.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.