Electra Diversion Dam
E880581
Electra Diversion Dam is a hydroelectric diversion structure on California’s Mokelumne River that channels water to power-generating facilities rather than creating a large storage reservoir.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Electra Diversion Dam canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10151702 — 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: Electra Diversion Dam Context triple: [Mokelumne River, impoundedBy, Electra Diversion Dam]
-
A.
O'Shaughnessy Dam
O'Shaughnessy Dam is a concrete arch-gravity dam in Yosemite National Park that creates the Hetch Hetchy Reservoir, supplying water and hydroelectric power to the San Francisco Bay Area.
-
B.
Libby Dam
Libby Dam is a large hydroelectric and flood-control dam on the Kootenai River in Montana that contributes significant power and water management capacity to the Columbia River Basin.
-
C.
Forge Dam
Forge Dam is a popular recreational park and former industrial mill site along Porter Brook in Sheffield, England, known for its woodland walks, playground, and café.
-
D.
Anderson-Rose Diversion Dam
The Anderson-Rose Diversion Dam is a small irrigation diversion structure on the Klamath River in Oregon that helps route water for agricultural use as part of the U.S. Bureau of Reclamation’s Klamath Project.
-
E.
Cascade Dam
Cascade Dam is a hydroelectric and flood-control structure located on the Thornapple River in Michigan.
- 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: Electra Diversion Dam Target entity description: Electra Diversion Dam is a hydroelectric diversion structure on California’s Mokelumne River that channels water to power-generating facilities rather than creating a large storage reservoir.
-
A.
O'Shaughnessy Dam
O'Shaughnessy Dam is a concrete arch-gravity dam in Yosemite National Park that creates the Hetch Hetchy Reservoir, supplying water and hydroelectric power to the San Francisco Bay Area.
-
B.
Libby Dam
Libby Dam is a large hydroelectric and flood-control dam on the Kootenai River in Montana that contributes significant power and water management capacity to the Columbia River Basin.
-
C.
Forge Dam
Forge Dam is a popular recreational park and former industrial mill site along Porter Brook in Sheffield, England, known for its woodland walks, playground, and café.
-
D.
Anderson-Rose Diversion Dam
The Anderson-Rose Diversion Dam is a small irrigation diversion structure on the Klamath River in Oregon that helps route water for agricultural use as part of the U.S. Bureau of Reclamation’s Klamath Project.
-
E.
Cascade Dam
Cascade Dam is a hydroelectric and flood-control structure located on the Thornapple River in Michigan.
- F. None of above. chosen
Statements (34)
| Predicate | Object |
|---|---|
| instanceOf |
dam
ⓘ
hydroelectric diversion dam ⓘ |
| basinCountry |
United States of America
ⓘ
surface form:
United States
|
| category |
Buildings and structures in Amador County, California
ⓘ
Buildings and structures in Calaveras County, California ⓘ Dams in California ⓘ Hydroelectric power stations in California ⓘ |
| connectsTo | Electra Powerhouse NERFINISHED ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| createsReservoir | no large storage reservoir ⓘ |
| damType | concrete diversion dam ⓘ |
| energySource | hydropower ⓘ |
| function | diverts river flow into power-generating facilities ⓘ |
| hasInfrastructure |
canal or conduit to powerhouse
ⓘ
intake structure ⓘ |
| impounds | Mokelumne River NERFINISHED ⓘ |
| locatedIn |
California, United States
ⓘ
surface form:
California
|
| locatedInCounty |
Amador County, California
NERFINISHED
ⓘ
Calaveras County, California NERFINISHED ⓘ |
| locatedOnRiver | Mokelumne River NERFINISHED ⓘ |
| nearCity | Jackson, California NERFINISHED ⓘ |
| nearCommunity | Electra, California NERFINISHED ⓘ |
| operator | Pacific Gas and Electric Company NERFINISHED ⓘ |
| ownedBy | Pacific Gas and Electric Company NERFINISHED ⓘ |
| partOf | Mokelumne River Project NERFINISHED ⓘ |
| primaryRole | channel water to power-generating facilities ⓘ |
| purpose |
hydroelectric power generation
ⓘ
water diversion ⓘ |
| region | Sierra Nevada foothills ⓘ |
| riverSystem | San Joaquin River watershed NERFINISHED ⓘ |
| status | operational ⓘ |
| storageCapacityType | minimal storage ⓘ |
| uses | run-of-river flow diversion ⓘ |
| watercourse | Mokelumne 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: Electra Diversion Dam Description of subject: Electra Diversion Dam is a hydroelectric diversion structure on California’s Mokelumne River that channels water to power-generating facilities rather than creating a large storage reservoir.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.