Oroville-Thermalito Complex
E550638
The Oroville-Thermalito Complex is a major California water management and hydroelectric system centered around Oroville Dam that stores, diverts, and distributes water for flood control, power generation, and irrigation.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Oroville-Thermalito Complex canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T5852228 — 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: Oroville-Thermalito Complex Context triple: [Feather River, waterDivertedBy, Oroville-Thermalito Complex]
-
A.
Oroville
Oroville is a small city in Northern California known for its proximity to the Oroville Dam and Lake Oroville recreation area.
-
B.
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.
-
C.
Oroville Dam
Oroville Dam is a large earthfill embankment dam on the Feather River in Northern California, serving as a key water storage, flood control, and hydroelectric facility.
-
D.
Folsom Dam
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.
-
E.
Lake Oroville
Lake Oroville is a large man-made reservoir in Northern California, created by the Oroville Dam on the Feather River, that serves as a major source of water storage, flood control, and recreation.
- 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: Oroville-Thermalito Complex Target entity description: The Oroville-Thermalito Complex is a major California water management and hydroelectric system centered around Oroville Dam that stores, diverts, and distributes water for flood control, power generation, and irrigation.
-
A.
Oroville
Oroville is a small city in Northern California known for its proximity to the Oroville Dam and Lake Oroville recreation area.
-
B.
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.
-
C.
Oroville Dam
Oroville Dam is a large earthfill embankment dam on the Feather River in Northern California, serving as a key water storage, flood control, and hydroelectric facility.
-
D.
Folsom Dam
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.
-
E.
Lake Oroville
Lake Oroville is a large man-made reservoir in Northern California, created by the Oroville Dam on the Feather River, that serves as a major source of water storage, flood control, and recreation.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
hydroelectric power system
ⓘ
water management system ⓘ |
| category |
Dams and reservoirs in California
ⓘ
Hydroelectric power stations in California ⓘ State Water Project infrastructure ⓘ |
| connectedTo |
California Aqueduct (via State Water Project)
ⓘ
linked to:
California Aqueduct
|
| constructionStart | 1960s ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| energySource | hydropower ⓘ |
| floodControlFor |
Feather River basin
ⓘ
linked to:
Feather River watershed
Sacramento Valley ⓘ |
| hasEmergencySpillway |
Oroville Dam emergency spillway
ⓘ
linked to:
Oroville Dam
|
| hasPart |
Edward Hyatt Powerplant
ⓘ
linked to:
Hyatt Powerplant
Feather River Fish Hatchery ⓘ Fish Barrier Dam ⓘ Lake Oroville ⓘ Oroville Dam ⓘ Thermalito Afterbay ⓘ Thermalito Diversion Dam ⓘ Thermalito Diversion Dam Powerplant ⓘ
linked to:
Thermalito Diversion Dam
Thermalito Diversion Pool ⓘ Thermalito Forebay ⓘ Thermalito Power Canal ⓘ Thermalito Pumping-Generating Plant ⓘ |
| hasRecreationArea |
Lake Oroville State Recreation Area
ⓘ
linked to:
Lake Oroville
|
| hasReservoir |
Lake Oroville
ⓘ
Thermalito Afterbay ⓘ Thermalito Forebay ⓘ |
| hasSpillway |
Oroville Dam main spillway
ⓘ
linked to:
Oroville Dam
|
| inServiceSince | late 1960s ⓘ |
| locatedIn |
Butte County, California
ⓘ
linked to:
Butte County
California ⓘ
linked to:
California, United States
|
| locatedOnRiver | Feather River ⓘ |
| manages | State Water Project water releases ⓘ |
| nearCity |
Oroville, California
ⓘ
linked to:
City of Oroville, California
|
| operator | California Department of Water Resources ⓘ |
| partOf |
California State Water Project
ⓘ
linked to:
State Water Project
|
| provides | fish habitat mitigation facilities ⓘ |
| purpose |
flood control
ⓘ
hydroelectric power generation ⓘ irrigation water supply ⓘ municipal water supply ⓘ recreation ⓘ water storage ⓘ |
| regulates | Feather River flows ⓘ |
| supports | Central Valley Project water deliveries (indirectly) ⓘ |
| usesTechnology |
concrete embankment dam
ⓘ
pumped-storage hydroelectricity ⓘ |
| waterSource | Sierra Nevada snowmelt ⓘ |
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: Oroville-Thermalito Complex Description of subject: The Oroville-Thermalito Complex is a major California water management and hydroelectric system centered around Oroville Dam that stores, diverts, and distributes water for flood control, power generation, and irrigation.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.