Keswick Reservoir
E284175
Keswick Reservoir is a man-made lake on the Sacramento River in Northern California, primarily serving as a regulating reservoir for Shasta Dam’s hydroelectric operations and regional water management.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Keswick Reservoir canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2632929 — 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 Reservoir Context triple: [Keswick Dam, createsReservoir, Keswick Reservoir]
-
A.
Derwent Reservoir
Derwent Reservoir is a large man-made lake in Derbyshire, England, best known for its scenic surroundings in the Peak District and its historical association with the World War II "Dambusters" training flights.
-
B.
Garreg Ddu Reservoir
Garreg Ddu Reservoir is a scenic man-made lake in the Elan Valley of mid-Wales, known for its distinctive submerged dam and role in supplying water to the city of Birmingham.
-
C.
Ladybower Reservoir
Ladybower Reservoir is a large Y-shaped drinking-water reservoir in the Upper Derwent Valley of Derbyshire, England, known for its distinctive plughole spillways and surrounding Peak District scenery.
-
D.
Abbeystead Reservoir
Abbeystead Reservoir is a man-made lake in Lancashire, England, known for its scenic setting within the Forest of Bowland and its role in regional water supply.
-
E.
Claerwen Reservoir
Claerwen Reservoir is a large upland water reservoir in mid Wales, known for its impressive dam and scenic surroundings within the Elan Valley.
- 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 Reservoir Target entity description: Keswick Reservoir is a man-made lake on the Sacramento River in Northern California, primarily serving as a regulating reservoir for Shasta Dam’s hydroelectric operations and regional water management.
-
A.
Derwent Reservoir
Derwent Reservoir is a large man-made lake in Derbyshire, England, best known for its scenic surroundings in the Peak District and its historical association with the World War II "Dambusters" training flights.
-
B.
Garreg Ddu Reservoir
Garreg Ddu Reservoir is a scenic man-made lake in the Elan Valley of mid-Wales, known for its distinctive submerged dam and role in supplying water to the city of Birmingham.
-
C.
Ladybower Reservoir
Ladybower Reservoir is a large Y-shaped drinking-water reservoir in the Upper Derwent Valley of Derbyshire, England, known for its distinctive plughole spillways and surrounding Peak District scenery.
-
D.
Abbeystead Reservoir
Abbeystead Reservoir is a man-made lake in Lancashire, England, known for its scenic setting within the Forest of Bowland and its role in regional water supply.
-
E.
Claerwen Reservoir
Claerwen Reservoir is a large upland water reservoir in mid Wales, known for its impressive dam and scenic surroundings within the Elan Valley.
- F. None of above. chosen
Statements (32)
| Predicate | Object |
|---|---|
| instanceOf |
artificial lake
ⓘ
regulating reservoir ⓘ reservoir ⓘ |
| basinCountry |
United States of America
ⓘ
surface form:
United States
|
| country |
United States of America
ⓘ
surface form:
United States
|
| createdBy | Keswick Dam ⓘ |
| function |
re-regulates peaking power releases from Shasta Dam
ⓘ
stabilizes downstream Sacramento River flows ⓘ supports downstream fish habitat conditions ⓘ supports downstream water deliveries ⓘ |
| hasUse |
environmental flow management
ⓘ
hydropower generation support ⓘ water supply regulation ⓘ |
| isDownstreamOf |
Shasta Dam
ⓘ
Shasta Lake ⓘ |
| isUpstreamOf |
Sacramento River
ⓘ
surface form:
lower Sacramento River
|
| locatedIn |
California, United States
ⓘ
surface form:
California
Northern California ⓘ |
| locatedNear |
Redding
ⓘ
surface form:
Redding, California
|
| locatedOnRiver | Sacramento River ⓘ |
| managingAgency |
Bureau of Reclamation
ⓘ
surface form:
United States Bureau of Reclamation
|
| partOfProject | Central Valley Project ⓘ |
| partOfSystem | Shasta–Keswick hydroelectric system ⓘ |
| primaryInflows | Sacramento River ⓘ |
| primaryOutflows | Sacramento River ⓘ |
| purpose |
flood control support
ⓘ
hydroelectric power regulation ⓘ regional water management ⓘ water storage regulation ⓘ |
| region |
Shasta County
ⓘ
surface form:
Shasta County, California
|
| upstreamStructure | Shasta Dam ⓘ |
| 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 Reservoir Description of subject: Keswick Reservoir is a man-made lake on the Sacramento River in Northern California, primarily serving as a regulating reservoir for Shasta Dam’s hydroelectric operations and regional water management.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.