Upper American River Project
E549090
The Upper American River Project is a major hydroelectric power system in California’s Sierra Nevada that includes multiple dams, reservoirs, and powerhouses operated by the Sacramento Municipal Utility District.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Upper American River Project canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5814333 — 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: Upper American River Project Context triple: [Union Valley Reservoir, partOf, Upper American River Project]
-
A.
Colorado-Big Thompson Project
The Colorado-Big Thompson Project is a major transbasin water diversion and storage system in Colorado that delivers Colorado River water to the arid eastern plains for agriculture, cities, and industry.
-
B.
Columbia Basin Project
The Columbia Basin Project is a large-scale irrigation and hydroelectric development in central Washington State that distributes water and power from the Grand Coulee Dam to support agriculture, industry, and communities across the region.
-
C.
Truckee-Carson Project
The Truckee-Carson Project is a major U.S. federal water management and irrigation initiative in western Nevada that diverts and distributes water from the Truckee and Carson rivers to support agriculture and regional development.
-
D.
Klamath Project
The Klamath Project is a major federal water management and irrigation system in southern Oregon and northern California that supplies water to agriculture, wildlife refuges, and communities in the Klamath Basin.
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E.
Feather River Project
The Feather River Project is a major California water development and hydroelectric initiative centered on the Feather River watershed, providing water storage, power generation, and flood control for the state.
- 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: Upper American River Project Target entity description: The Upper American River Project is a major hydroelectric power system in California’s Sierra Nevada that includes multiple dams, reservoirs, and powerhouses operated by the Sacramento Municipal Utility District.
-
A.
Colorado-Big Thompson Project
The Colorado-Big Thompson Project is a major transbasin water diversion and storage system in Colorado that delivers Colorado River water to the arid eastern plains for agriculture, cities, and industry.
-
B.
Columbia Basin Project
The Columbia Basin Project is a large-scale irrigation and hydroelectric development in central Washington State that distributes water and power from the Grand Coulee Dam to support agriculture, industry, and communities across the region.
-
C.
Truckee-Carson Project
The Truckee-Carson Project is a major U.S. federal water management and irrigation initiative in western Nevada that diverts and distributes water from the Truckee and Carson rivers to support agriculture and regional development.
-
D.
Klamath Project
The Klamath Project is a major federal water management and irrigation system in southern Oregon and northern California that supplies water to agriculture, wildlife refuges, and communities in the Klamath Basin.
-
E.
Feather River Project
The Feather River Project is a major California water development and hydroelectric initiative centered on the Feather River watershed, providing water storage, power generation, and flood control for the state.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
hydroelectric power system
ⓘ
hydroelectric project ⓘ |
| basin | Upper American River Basin NERFINISHED ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| county | El Dorado County NERFINISHED ⓘ |
| energySource | hydropower ⓘ |
| gridConnection | SMUD electric system ⓘ |
| hasPart |
Afterbay Dam
NERFINISHED
ⓘ
Afterbay Reservoir NERFINISHED ⓘ Brush Creek Powerhouse NERFINISHED ⓘ Camino Powerhouse NERFINISHED ⓘ Chili Bar Dam NERFINISHED ⓘ Chili Bar Powerhouse NERFINISHED ⓘ Ice House Dam NERFINISHED ⓘ Ice House Reservoir NERFINISHED ⓘ Jaybird Powerhouse NERFINISHED ⓘ Jones Fork Powerhouse NERFINISHED ⓘ Loon Lake Dam NERFINISHED ⓘ Loon Lake Powerhouse NERFINISHED ⓘ Loon Lake Reservoir NERFINISHED ⓘ Robbs Peak Dam NERFINISHED ⓘ Robbs Peak Powerhouse NERFINISHED ⓘ Robbs Peak Reservoir NERFINISHED ⓘ Slab Creek Dam NERFINISHED ⓘ Slab Creek Powerhouse NERFINISHED ⓘ Slab Creek Reservoir NERFINISHED ⓘ Union Valley Dam NERFINISHED ⓘ Union Valley Powerhouse NERFINISHED ⓘ Union Valley Reservoir NERFINISHED ⓘ White Rock Powerhouse NERFINISHED ⓘ |
| locatedIn |
California, United States
ⓘ
surface form:
California
Sierra Nevada NERFINISHED ⓘ |
| locatedInProtectedArea | Eldorado National Forest NERFINISHED ⓘ |
| operator | Sacramento Municipal Utility District NERFINISHED ⓘ |
| owner | Sacramento Municipal Utility District NERFINISHED ⓘ |
| primaryPurpose | electricity generation ⓘ |
| regulatoryAuthority | Federal Energy Regulatory Commission NERFINISHED ⓘ |
| river | American River NERFINISHED ⓘ |
| secondaryPurpose |
flood control
ⓘ
recreation ⓘ water storage ⓘ |
| serves | Sacramento metropolitan area NERFINISHED ⓘ |
| state |
California, United States
ⓘ
surface form:
California
|
| uses |
dams
ⓘ
powerhouses ⓘ reservoirs ⓘ |
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: Upper American River Project Description of subject: The Upper American River Project is a major hydroelectric power system in California’s Sierra Nevada that includes multiple dams, reservoirs, and powerhouses operated by the Sacramento Municipal Utility District.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.