Keswick Dam
E59675
Keswick Dam is a concrete gravity dam on the Sacramento River in Northern California that regulates flows and generates hydroelectric power as part of the region’s large federal water management system.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Keswick Dam canonical | 6 |
How this entity was disambiguated
This entity first appeared as the object of triple T474329 — 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: Keswick Dam Context triple: [Central Valley Project, includes, Keswick Dam]
-
A.
Conklingville Dam
Conklingville Dam is a concrete gravity dam in New York that created the Great Sacandaga Lake reservoir for flood control and hydroelectric power generation.
-
B.
Cross River Reservoir
Cross River Reservoir is a man-made lake in Westchester County, New York, that forms part of New York City's Croton water supply system.
-
C.
Chew Reservoir
Chew Reservoir is a man-made upland water reservoir in the Peak District area of England, known for its moorland surroundings and role in regional water supply.
-
D.
Croton Falls Dam
Croton Falls Dam is a masonry gravity dam in Westchester County, New York, that forms the Croton Falls Reservoir as part of New York City’s water supply system.
-
E.
Jurala Dam
Jurala Dam is a major irrigation and hydroelectric project built across the Krishna River in Telangana, India.
- 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: Keswick Dam Target entity description: Keswick Dam is a concrete gravity dam on the Sacramento River in Northern California that regulates flows and generates hydroelectric power as part of the region’s large federal water management system.
-
A.
Conklingville Dam
Conklingville Dam is a concrete gravity dam in New York that created the Great Sacandaga Lake reservoir for flood control and hydroelectric power generation.
-
B.
Cross River Reservoir
Cross River Reservoir is a man-made lake in Westchester County, New York, that forms part of New York City's Croton water supply system.
-
C.
Chew Reservoir
Chew Reservoir is a man-made upland water reservoir in the Peak District area of England, known for its moorland surroundings and role in regional water supply.
-
D.
Croton Falls Dam
Croton Falls Dam is a masonry gravity dam in Westchester County, New York, that forms the Croton Falls Reservoir as part of New York City’s water supply system.
-
E.
Jurala Dam
Jurala Dam is a major irrigation and hydroelectric project built across the Krishna River in Telangana, India.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
concrete gravity dam
ⓘ
hydroelectric dam ⓘ |
| affects | anadromous fish migration in Sacramento River ⓘ |
| associatedWith | Keswick Powerplant ⓘ |
| basinCountry |
United States of America
ⓘ
surface form:
United States
|
| catchmentArea | approximately 6650 square miles ⓘ |
| constructionBegan | 1941 ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| createsReservoir | Keswick Reservoir ⓘ |
| damType | gravity dam ⓘ |
| downstreamOf | Shasta Dam ⓘ |
| elevationAtCrest | approximately 609 feet above sea level ⓘ |
| energySource | hydropower ⓘ |
| function |
peaking power generation
ⓘ
regulation of downstream flood control releases from Shasta Dam ⓘ |
| hasSpillway | yes ⓘ |
| height |
157 feet
ⓘ
48 meters ⓘ |
| impounds | Sacramento River ⓘ |
| length |
1133 feet
ⓘ
345 meters ⓘ |
| locatedIn |
Northern California
ⓘ
Shasta County ⓘ
surface form:
Shasta County, California
|
| locatedNear |
Redding
ⓘ
surface form:
Redding, California
|
| locatedOnRiver | Sacramento River ⓘ |
| manages | cold water releases for fish habitat ⓘ |
| material | concrete ⓘ |
| nearCity |
Redding
ⓘ
surface form:
Redding, California
|
| numberOfTurbines | 3 ⓘ |
| opened | 1950 ⓘ |
| operatedBy |
Bureau of Reclamation
ⓘ
surface form:
United States Bureau of Reclamation
|
| ownedBy |
Bureau of Reclamation
ⓘ
surface form:
United States Bureau of Reclamation
|
| partOf |
Central Valley Project
ⓘ
Sacramento River watershed infrastructure ⓘ |
| partOfProject |
Central Valley Project
ⓘ
surface form:
Shasta Division of the Central Valley Project
|
| plantCapacity | 117 megawatts ⓘ |
| purpose |
hydroelectric power generation
ⓘ
river flow regulation ⓘ water regulation for Central Valley Project ⓘ |
| regionServed |
Central Valley
ⓘ
surface form:
California Central Valley
|
| reservoirCapacity |
230000 acre-feet
ⓘ
283 million cubic meters ⓘ |
| riverMile | 302 miles above San Francisco Bay ⓘ |
| role | re-regulating dam for Shasta Dam releases ⓘ |
| spillwayType | gated overflow ⓘ |
| status | operational ⓘ |
| turbineType | Francis turbine ⓘ |
| watercourse | Sacramento River ⓘ |
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: Keswick Dam Description of subject: Keswick Dam is a concrete gravity dam on the Sacramento River in Northern California that regulates flows and generates hydroelectric power as part of the region’s large federal water management system.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.