Folsom Dam
E61177
Folsom Dam is a large concrete dam on the American River in California that provides flood control, water storage, and hydroelectric power for the Sacramento region.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Folsom Dam canonical | 11 |
How this entity was disambiguated
This entity first appeared as the object of triple T474330 — 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.
Target entity: Folsom Dam Context triple: [Central Valley Project, includes, Folsom Dam]
-
A.
Shasta Dam
Shasta Dam is a large concrete gravity dam on California’s Sacramento River, forming Shasta Lake and serving as a key source of water storage, hydroelectric power, and flood control for the state.
-
B.
Hoover Dam
Hoover Dam is a massive concrete arch-gravity dam on the Colorado River, renowned as a landmark feat of 20th-century American engineering and a major source of hydroelectric power and water management in the Southwest.
-
C.
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.
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D.
Grand Coulee Dam
Grand Coulee Dam is a massive concrete gravity dam on the Columbia River in Washington State, renowned as one of the largest power-producing facilities in the United States and a landmark of New Deal–era infrastructure.
-
E.
Great Stone Dam
The Great Stone Dam is a historic 19th-century granite dam in Lawrence, Massachusetts, built to harness the Merrimack River for industrial waterpower and central to the city’s mill-era development.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Target entity: Folsom Dam Target entity description: Folsom Dam is a large concrete dam on the American River in California that provides flood control, water storage, and hydroelectric power for the Sacramento region.
-
A.
Shasta Dam
Shasta Dam is a large concrete gravity dam on California’s Sacramento River, forming Shasta Lake and serving as a key source of water storage, hydroelectric power, and flood control for the state.
-
B.
Hoover Dam
Hoover Dam is a massive concrete arch-gravity dam on the Colorado River, renowned as a landmark feat of 20th-century American engineering and a major source of hydroelectric power and water management in the Southwest.
-
C.
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.
-
D.
Grand Coulee Dam
Grand Coulee Dam is a massive concrete gravity dam on the Columbia River in Washington State, renowned as one of the largest power-producing facilities in the United States and a landmark of New Deal–era infrastructure.
-
E.
Great Stone Dam
The Great Stone Dam is a historic 19th-century granite dam in Lawrence, Massachusetts, built to harness the Merrimack River for industrial waterpower and central to the city’s mill-era development.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
concrete dam
ⓘ
gravity dam ⓘ hydroelectric dam ⓘ |
| constructionMaterial | concrete ⓘ |
| constructionStartDate | 1948 ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| designedFor | flood risk reduction ⓘ |
| downstreamCity |
Sacramento
ⓘ
surface form:
Sacramento, California
|
| hasFunction | regulation of American River flows ⓘ |
| hasPowerPlant | yes ⓘ |
| hasRecreationalArea |
Folsom Lake
ⓘ
surface form:
Folsom Lake State Recreation Area
|
| hasSpillway | yes ⓘ |
| hasSpillwayType | gated overflow spillway ⓘ |
| height | about 340 feet ⓘ |
| impounds | Folsom Lake ⓘ |
| isMajorInfrastructureFor | Central Valley Project ⓘ |
| length | about 1400 feet ⓘ |
| locatedIn |
California, United States
ⓘ
surface form:
California
|
| locatedInCounty |
Placer County
ⓘ
surface form:
Placer County, California
Sacramento County ⓘ
surface form:
Sacramento County, California
|
| locatedInMetropolitanArea | Sacramento metropolitan area ⓘ |
| locatedNear |
Folsom
ⓘ
surface form:
Folsom, California
|
| locatedOnRiver | American River ⓘ |
| managingAgency |
Bureau of Reclamation
ⓘ
surface form:
U.S. Bureau of Reclamation Mid-Pacific Region
|
| nearbyCity |
El Dorado Hills
ⓘ
surface form:
El Dorado Hills, California
Folsom ⓘ
surface form:
Folsom, California
|
| nearbyFeature |
Folsom Lake Crossing
ⓘ
Folsom Prison ⓘ |
| openingDate | 1956 ⓘ |
| operator |
Bureau of Reclamation
ⓘ
surface form:
United States Bureau of Reclamation
|
| owner |
Bureau of Reclamation
ⓘ
surface form:
United States Bureau of Reclamation
|
| partOfFloodControlSystemFor |
Sacramento
ⓘ
surface form:
Sacramento, California
|
| partOfProject | Central Valley Project ⓘ |
| partOfSystem | American River watershed infrastructure ⓘ |
| powerPlantType | hydroelectric power plant ⓘ |
| providesServiceTo |
Sacramento metropolitan area
ⓘ
surface form:
Sacramento region
|
| purpose |
flood control
ⓘ
hydroelectric power generation ⓘ recreation ⓘ water storage ⓘ |
| region | Northern California ⓘ |
| reservoirMaxCapacity | about 1,000,000 acre-feet ⓘ |
| reservoirName | Folsom Lake ⓘ |
| riverBasin |
Sacramento River Basin
ⓘ
surface form:
Sacramento River basin
|
| structureType | main dam with auxiliary dikes ⓘ |
| waterUse |
industrial use
ⓘ
irrigation ⓘ municipal water supply ⓘ |
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.
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.
Subject: Folsom Dam Description of subject: Folsom Dam is a large concrete dam on the American River in California that provides flood control, water storage, and hydroelectric power for the Sacramento region.
Referenced by (11)
Full triples — surface form annotated when it differs from this entity's canonical label.